browser-comp.js

/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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/**
 * @license
 * Copyright 2021 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */}var n;null===(n=window.HTMLSlotElement)||void 0===n||n.prototype.assignedElements;class i{addEventListener(t,e){void 0===this._listeners&&(this._listeners={});const n=this._listeners;void 0===n[t]&&(n[t]=[]),-1===n[t].indexOf(e)&&n[t].push(e)}hasEventListener(t,e){if(void 0===this._listeners)return!1;const n=this._listeners;return void 0!==n[t]&&-1!==n[t].indexOf(e)}removeEventListener(t,e){if(void 0===this._listeners)return;const n=this._listeners[t];if(void 0!==n){const t=n.indexOf(e);-1!==t&&n.splice(t,1)}}dispatchEvent(t){if(void 0===this._listeners)return;const e=this._listeners[t.type];if(void 0!==e){t.target=this;const n=e.slice(0);for(let e=0,i=n.length;e<i;e++)n[e].call(this,t);t.target=null}}}const r=[];for(let t=0;t<256;t++)r[t]=(t<16?"0":"")+t.toString(16);let s=1234567;const a=Math.PI/180,o=180/Math.PI;function l(){const t=4294967295*Math.random()|0,e=4294967295*Math.random()|0,n=4294967295*Math.random()|0,i=4294967295*Math.random()|0;return(r[255&t]+r[t>>8&255]+r[t>>16&255]+r[t>>24&255]+"-"+r[255&e]+r[e>>8&255]+"-"+r[e>>16&15|64]+r[e>>24&255]+"-"+r[63&n|128]+r[n>>8&255]+"-"+r[n>>16&255]+r[n>>24&255]+r[255&i]+r[i>>8&255]+r[i>>16&255]+r[i>>24&255]).toLowerCase()}function h(t,e,n){return Math.max(e,Math.min(n,t))}function c(t,e){return(t%e+e)%e}function u(t,e,n){return(1-n)*t+n*e}function d(t){return 0==(t&t-1)&&0!==t}function p(t){return Math.pow(2,Math.ceil(Math.log(t)/Math.LN2))}function m(t){return Math.pow(2,Math.floor(Math.log(t)/Math.LN2))}var f=Object.freeze({__proto__:null,DEG2RAD:a,RAD2DEG:o,generateUUID:l,clamp:h,euclideanModulo:c,mapLinear:function(t,e,n,i,r){return i+(t-e)*(r-i)/(n-e)},inverseLerp:function(t,e,n){return t!==e?(n-t)/(e-t):0},lerp:u,damp:function(t,e,n,i){return u(t,e,1-Math.exp(-n*i))},pingpong:function(t,e=1){return e-Math.abs(c(t,2*e)-e)},smoothstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*(3-2*t)},smootherstep:function(t,e,n){return t<=e?0:t>=n?1:(t=(t-e)/(n-e))*t*t*(t*(6*t-15)+10)},randInt:function(t,e){return t+Math.floor(Math.random()*(e-t+1))},randFloat:function(t,e){return t+Math.random()*(e-t)},randFloatSpread:function(t){return t*(.5-Math.random())},seededRandom:function(t){void 0!==t&&(s=t);let e=s+=1831565813;return e=Math.imul(e^e>>>15,1|e),e^=e+Math.imul(e^e>>>7,61|e),((e^e>>>14)>>>0)/4294967296},degToRad:function(t){return t*a},radToDeg:function(t){return t*o},isPowerOfTwo:d,ceilPowerOfTwo:p,floorPowerOfTwo:m,setQuaternionFromProperEuler:function(t,e,n,i,r){const s=Math.cos,a=Math.sin,o=s(n/2),l=a(n/2),h=s((e+i)/2),c=a((e+i)/2),u=s((e-i)/2),d=a((e-i)/2),p=s((i-e)/2),m=a((i-e)/2);switch(r){case"XYX":t.set(o*c,l*u,l*d,o*h);break;case"YZY":t.set(l*d,o*c,l*u,o*h);break;case"ZXZ":t.set(l*u,l*d,o*c,o*h);break;case"XZX":t.set(o*c,l*m,l*p,o*h);break;case"YXY":t.set(l*p,o*c,l*m,o*h);break;case"ZYZ":t.set(l*m,l*p,o*c,o*h);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}},normalize:function(t,e){switch(e.constructor){case Float32Array:return t;case Uint16Array:return Math.round(65535*t);case Uint8Array:return Math.round(255*t);case Int16Array:return Math.round(32767*t);case Int8Array:return Math.round(127*t);default:throw new Error("Invalid component type.")}},denormalize:function(t,e){switch(e.constructor){case Float32Array:return t;case Uint16Array:return t/65535;case Uint8Array:return t/255;case Int16Array:return Math.max(t/32767,-1);case Int8Array:return Math.max(t/127,-1);default:throw new Error("Invalid component type.")}}});class g{constructor(t=0,e=0){this.x=t,this.y=e}get width(){return this.x}set width(t){this.x=t}get height(){return this.y}set height(t){this.y=t}set(t,e){return this.x=t,this.y=e,this}setScalar(t){return this.x=t,this.y=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y)}copy(t){return this.x=t.x,this.y=t.y,this}add(t,e){return void 0!==e?(console.warn("THREE.Vector2: .add() now only accepts one argument. 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this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y;return e*e+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e,n){return void 0!==n&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const n=Math.cos(e),i=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*n-s*i+t.x,this.y=r*i+s*n+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}g.prototype.isVector2=!0;class v{constructor(){this.elements=[1,0,0,0,1,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")}set(t,e,n,i,r,s,a,o,l){const h=this.elements;return h[0]=t,h[1]=i,h[2]=a,h[3]=e,h[4]=r,h[5]=o,h[6]=n,h[7]=s,h[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],h=n[4],c=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],y=i[4],x=i[7],b=i[2],_=i[5],w=i[8];return r[0]=s*m+a*v+o*b,r[3]=s*f+a*y+o*_,r[6]=s*g+a*x+o*w,r[1]=l*m+h*v+c*b,r[4]=l*f+h*y+c*_,r[7]=l*g+h*x+c*w,r[2]=u*m+d*v+p*b,r[5]=u*f+d*y+p*_,r[8]=u*g+d*x+p*w,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],h=t[8];return e*s*h-e*a*l-n*r*h+n*a*o+i*r*l-i*s*o}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],h=t[8],c=h*s-a*l,u=a*o-h*r,d=l*r-s*o,p=e*c+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=c*m,t[1]=(i*l-h*n)*m,t[2]=(a*n-i*s)*m,t[3]=u*m,t[4]=(h*e-i*o)*m,t[5]=(i*r-a*e)*m,t[6]=d*m,t[7]=(n*o-l*e)*m,t[8]=(s*e-n*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){const n=this.elements;return n[0]*=t,n[3]*=t,n[6]*=t,n[1]*=e,n[4]*=e,n[7]*=e,this}rotate(t){const e=Math.cos(t),n=Math.sin(t),i=this.elements,r=i[0],s=i[3],a=i[6],o=i[1],l=i[4],h=i[7];return i[0]=e*r+n*o,i[3]=e*s+n*l,i[6]=e*a+n*h,i[1]=-n*r+e*o,i[4]=-n*s+e*l,i[7]=-n*a+e*h,this}translate(t,e){const n=this.elements;return n[0]+=t*n[2],n[3]+=t*n[5],n[6]+=t*n[8],n[1]+=e*n[2],n[4]+=e*n[5],n[7]+=e*n[8],this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}function y(t){for(let e=t.length-1;e>=0;--e)if(t[e]>65535)return!0;return!1}function x(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function b(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function _(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}v.prototype.isMatrix3=!0;const w={srgb:{"srgb-linear":b},"srgb-linear":{srgb:_}},M={legacyMode:!0,get workingColorSpace(){return"srgb-linear"},set workingColorSpace(t){console.warn("THREE.ColorManagement: .workingColorSpace is readonly.")},convert:function(t,e,n){if(this.legacyMode||e===n||!e||!n)return t;if(w[e]&&void 0!==w[e][n]){const i=w[e][n];return t.r=i(t.r),t.g=i(t.g),t.b=i(t.b),t}throw new Error("Unsupported color space conversion.")},fromWorkingColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this.workingColorSpace)}},S={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},T={r:0,g:0,b:0},E={h:0,s:0,l:0},A={h:0,s:0,l:0};function R(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}function C(t,e){return e.r=t.r,e.g=t.g,e.b=t.b,e}class L{constructor(t,e,n){return void 0===e&&void 0===n?this.set(t):this.setRGB(t,e,n)}set(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e="srgb"){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,M.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i="srgb-linear"){return this.r=t,this.g=e,this.b=n,M.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i="srgb-linear"){if(t=c(t,1),e=h(e,0,1),n=h(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=R(r,i,t+1/3),this.g=R(r,i,t),this.b=R(r,i,t-1/3)}return M.toWorkingColorSpace(this,i),this}setStyle(t,e="srgb"){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(t)){let t;const r=i[1],s=i[2];switch(r){case"rgb":case"rgba":if(t=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return this.r=Math.min(255,parseInt(t[1],10))/255,this.g=Math.min(255,parseInt(t[2],10))/255,this.b=Math.min(255,parseInt(t[3],10))/255,M.toWorkingColorSpace(this,e),n(t[4]),this;if(t=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return this.r=Math.min(100,parseInt(t[1],10))/100,this.g=Math.min(100,parseInt(t[2],10))/100,this.b=Math.min(100,parseInt(t[3],10))/100,M.toWorkingColorSpace(this,e),n(t[4]),this;break;case"hsl":case"hsla":if(t=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s)){const i=parseFloat(t[1])/360,r=parseInt(t[2],10)/100,s=parseInt(t[3],10)/100;return n(t[4]),this.setHSL(i,r,s,e)}}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const t=i[1],n=t.length;if(3===n)return this.r=parseInt(t.charAt(0)+t.charAt(0),16)/255,this.g=parseInt(t.charAt(1)+t.charAt(1),16)/255,this.b=parseInt(t.charAt(2)+t.charAt(2),16)/255,M.toWorkingColorSpace(this,e),this;if(6===n)return this.r=parseInt(t.charAt(0)+t.charAt(1),16)/255,this.g=parseInt(t.charAt(2)+t.charAt(3),16)/255,this.b=parseInt(t.charAt(4)+t.charAt(5),16)/255,M.toWorkingColorSpace(this,e),this}return t&&t.length>0?this.setColorName(t,e):this}setColorName(t,e="srgb"){const n=S[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=b(t.r),this.g=b(t.g),this.b=b(t.b),this}copyLinearToSRGB(t){return this.r=_(t.r),this.g=_(t.g),this.b=_(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t="srgb"){return M.fromWorkingColorSpace(C(this,T),t),h(255*T.r,0,255)<<16^h(255*T.g,0,255)<<8^h(255*T.b,0,255)<<0}getHexString(t="srgb"){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e="srgb-linear"){M.fromWorkingColorSpace(C(this,T),e);const n=T.r,i=T.g,r=T.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const h=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=h<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i<r?6:0);break;case i:o=(r-n)/t+2;break;case r:o=(n-i)/t+4}o/=6}return t.h=o,t.s=l,t.l=h,t}getRGB(t,e="srgb-linear"){return M.fromWorkingColorSpace(C(this,T),e),t.r=T.r,t.g=T.g,t.b=T.b,t}getStyle(t="srgb"){return M.fromWorkingColorSpace(C(this,T),t),"srgb"!==t?`color(${t} ${T.r} ${T.g} ${T.b})`:`rgb(${255*T.r|0},${255*T.g|0},${255*T.b|0})`}offsetHSL(t,e,n){return this.getHSL(E),E.h+=t,E.s+=e,E.l+=n,this.setHSL(E.h,E.s,E.l),this}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,n){return this.r=t.r+(e.r-t.r)*n,this.g=t.g+(e.g-t.g)*n,this.b=t.b+(e.b-t.b)*n,this}lerpHSL(t,e){this.getHSL(E),t.getHSL(A);const n=u(E.h,A.h,e),i=u(E.s,A.s,e),r=u(E.l,A.l,e);return this.setHSL(n,i,r),this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),!0===t.normalized&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}}let P;L.NAMES=S,L.prototype.isColor=!0,L.prototype.r=1,L.prototype.g=1,L.prototype.b=1;class D{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===P&&(P=x("canvas")),P.width=t.width,P.height=t.height;const n=P.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=P}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=x("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t<r.length;t++)r[t]=255*b(r[t]/255);return n.putImageData(i,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*b(e[t]/255)):e[t]=b(e[t]);return{data:e,width:t.width,height:t.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}class I{constructor(t=null){this.uuid=l(),this.data=t,this.version=0}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(null!==i){let t;if(Array.isArray(i)){t=[];for(let e=0,n=i.length;e<n;e++)i[e].isDataTexture?t.push(O(i[e].image)):t.push(O(i[e]))}else t=O(i);n.url=t}return e||(t.images[this.uuid]=n),n}}function O(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?D.getDataURL(t):t.data?{data:Array.prototype.slice.call(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}I.prototype.isSource=!0;let N=0;class F extends i{constructor(t=F.DEFAULT_IMAGE,e=F.DEFAULT_MAPPING,n=1001,i=1001,r=1006,s=1008,a=1023,o=1009,h=1,c=3e3){super(),Object.defineProperty(this,"id",{value:N++}),this.uuid=l(),this.name="",this.source=new I(t),this.mipmaps=[],this.mapping=e,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=s,this.anisotropy=h,this.format=a,this.internalFormat=null,this.type=o,this.offset=new g(0,0),this.repeat=new g(1,1),this.center=new g(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new v,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=c,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(t){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.encoding=t.encoding,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(300!==this.mapping)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case 1e3:t.x=t.x-Math.floor(t.x);break;case 1001:t.x=t.x<0?0:1;break;case 1002:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case 1e3:t.y=t.y-Math.floor(t.y);break;case 1001:t.y=t.y<0?0:1;break;case 1002:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}}F.DEFAULT_IMAGE=null,F.DEFAULT_MAPPING=300,F.prototype.isTexture=!0;class U{constructor(t=0,e=0,n=0,i=1){this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t,e){return void 0!==e?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this)}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t,e){return void 0!==e?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this)}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],h=o[4],c=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(h-u)<s&&Math.abs(c-m)<s&&Math.abs(p-f)<s){if(Math.abs(h+u)<a&&Math.abs(c+m)<a&&Math.abs(p+f)<a&&Math.abs(l+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,o=(d+1)/2,v=(g+1)/2,y=(h+u)/4,x=(c+m)/4,b=(p+f)/4;return t>o&&t>v?t<s?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(t),i=y/n,r=x/n):o>v?o<s?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(o),n=y/i,r=b/i):v<s?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(v),n=x/r,i=b/r),this.set(n,i,r,e),this}let v=Math.sqrt((f-p)*(f-p)+(c-m)*(c-m)+(u-h)*(u-h));return Math.abs(v)<.001&&(v=1),this.x=(f-p)/v,this.y=(c-m)/v,this.z=(u-h)/v,this.w=Math.acos((l+d+g-1)/2),this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}U.prototype.isVector4=!0;class k extends i{constructor(t,e,n={}){super(),this.width=t,this.height=e,this.depth=1,this.scissor=new U(0,0,t,e),this.scissorTest=!1,this.viewport=new U(0,0,t,e);const i={width:t,height:e,depth:1};this.texture=new F(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.internalFormat=void 0!==n.internalFormat?n.internalFormat:null,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:1006,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null,this.samples=void 0!==n.samples?n.samples:0}setSize(t,e,n=1){this.width===t&&this.height===e&&this.depth===n||(this.width=t,this.height=e,this.depth=n,this.texture.image.width=t,this.texture.image.height=e,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.width=t.width,this.height=t.height,this.depth=t.depth,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.texture.isRenderTargetTexture=!0,this.texture.image=Object.assign({},t.texture.image),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}k.prototype.isWebGLRenderTarget=!0;class B extends F{constructor(t=null,e=1,n=1,i=1){super(null),this.image={data:t,width:e,height:n,depth:i},this.magFilter=1003,this.minFilter=1003,this.wrapR=1001,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}B.prototype.isDataArrayTexture=!0;(class extends k{constructor(t,e,n){super(t,e),this.depth=n,this.texture=new B(null,t,e,n),this.texture.isRenderTargetTexture=!0}}).prototype.isWebGLArrayRenderTarget=!0;class z extends F{constructor(t=null,e=1,n=1,i=1){super(null),this.image={data:t,width:e,height:n,depth:i},this.magFilter=1003,this.minFilter=1003,this.wrapR=1001,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}z.prototype.isData3DTexture=!0;(class extends k{constructor(t,e,n){super(t,e),this.depth=n,this.texture=new z(null,t,e,n),this.texture.isRenderTargetTexture=!0}}).prototype.isWebGL3DRenderTarget=!0;(class extends k{constructor(t,e,n,i={}){super(t,e,i);const r=this.texture;this.texture=[];for(let t=0;t<n;t++)this.texture[t]=r.clone(),this.texture[t].isRenderTargetTexture=!0}setSize(t,e,n=1){if(this.width!==t||this.height!==e||this.depth!==n){this.width=t,this.height=e,this.depth=n;for(let i=0,r=this.texture.length;i<r;i++)this.texture[i].image.width=t,this.texture[i].image.height=e,this.texture[i].image.depth=n;this.dispose()}return this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e),this}copy(t){this.dispose(),this.width=t.width,this.height=t.height,this.depth=t.depth,this.viewport.set(0,0,this.width,this.height),this.scissor.set(0,0,this.width,this.height),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.depthTexture=t.depthTexture,this.texture.length=0;for(let e=0,n=t.texture.length;e<n;e++)this.texture[e]=t.texture[e].clone();return this}}).prototype.isWebGLMultipleRenderTargets=!0;class H{constructor(t=0,e=0,n=0,i=1){this._x=t,this._y=e,this._z=n,this._w=i}static slerp(t,e,n,i){return console.warn("THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead."),n.slerpQuaternions(t,e,i)}static slerpFlat(t,e,n,i,r,s,a){let o=n[i+0],l=n[i+1],h=n[i+2],c=n[i+3];const u=r[s+0],d=r[s+1],p=r[s+2],m=r[s+3];if(0===a)return t[e+0]=o,t[e+1]=l,t[e+2]=h,void(t[e+3]=c);if(1===a)return t[e+0]=u,t[e+1]=d,t[e+2]=p,void(t[e+3]=m);if(c!==m||o!==u||l!==d||h!==p){let t=1-a;const e=o*u+l*d+h*p+c*m,n=e>=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,h=h*t+p*r,c=c*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+h*h+c*c);o*=t,l*=t,h*=t,c*=t}}t[e]=o,t[e+1]=l,t[e+2]=h,t[e+3]=c}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],h=n[i+3],c=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+h*c+o*d-l*u,t[e+1]=o*p+h*u+l*c-a*d,t[e+2]=l*p+h*d+a*u-o*c,t[e+3]=h*p-a*c-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),h=a(i/2),c=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*h*c+l*d*p,this._y=l*d*c-u*h*p,this._z=l*h*p+u*d*c,this._w=l*h*c-u*d*p;break;case"YXZ":this._x=u*h*c+l*d*p,this._y=l*d*c-u*h*p,this._z=l*h*p-u*d*c,this._w=l*h*c+u*d*p;break;case"ZXY":this._x=u*h*c-l*d*p,this._y=l*d*c+u*h*p,this._z=l*h*p+u*d*c,this._w=l*h*c-u*d*p;break;case"ZYX":this._x=u*h*c-l*d*p,this._y=l*d*c+u*h*p,this._z=l*h*p-u*d*c,this._w=l*h*c+u*d*p;break;case"YZX":this._x=u*h*c+l*d*p,this._y=l*d*c+u*h*p,this._z=l*h*p-u*d*c,this._w=l*h*c-u*d*p;break;case"XZY":this._x=u*h*c-l*d*p,this._y=l*d*c-u*h*p,this._z=l*h*p+u*d*c,this._w=l*h*c+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!1!==e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],h=e[6],c=e[10],u=n+a+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(h-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>c){const t=2*Math.sqrt(1+n-a-c);this._w=(h-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>c){const t=2*Math.sqrt(1+a-n-c);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+h)/t}else{const t=2*Math.sqrt(1+c-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+h)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<Number.EPSILON?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(h(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t,e){return void 0!==e?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(t,e)):this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,h=e._w;return this._x=n*h+s*a+i*l-r*o,this._y=i*h+s*o+r*a-n*l,this._z=r*h+s*l+n*o-i*a,this._w=s*h-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(o),h=Math.atan2(l,a),c=Math.sin((1-e)*h)/l,u=Math.sin(e*h)/l;return this._w=s*c+this._w*u,this._x=n*c+this._x*u,this._y=i*c+this._y*u,this._z=r*c+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=Math.random(),e=Math.sqrt(1-t),n=Math.sqrt(t),i=2*Math.PI*Math.random(),r=2*Math.PI*Math.random();return this.set(e*Math.cos(i),n*Math.sin(r),n*Math.cos(r),e*Math.sin(i))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}}H.prototype.isQuaternion=!0;class V{constructor(t=0,e=0,n=0){this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t,e){return void 0!==e?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this)}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t,e){return void 0!==e?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this)}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t,e){return void 0!==e?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(t,e)):(this.x*=t.x,this.y*=t.y,this.z*=t.z,this)}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return t&&t.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(W.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(W.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=o*e+s*i-a*n,h=o*n+a*e-r*i,c=o*i+r*n-s*e,u=-r*e-s*n-a*i;return this.x=l*o+u*-r+h*-a-c*-s,this.y=h*o+u*-s+c*-r-l*-a,this.z=c*o+u*-a+l*-s-h*-r,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t,e){return void 0!==e?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(t,e)):this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return G.copy(this).projectOnVector(t),this.sub(G)}reflect(t){return this.sub(G.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(h(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=2*(Math.random()-.5),e=Math.random()*Math.PI*2,n=Math.sqrt(1-t**2);return this.x=n*Math.cos(e),this.y=n*Math.sin(e),this.z=t,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}V.prototype.isVector3=!0;const G=new V,W=new H;class j{constructor(t=new V(1/0,1/0,1/0),e=new V(-1/0,-1/0,-1/0)){this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){let e=1/0,n=1/0,i=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.length;o<l;o+=3){const l=t[o],h=t[o+1],c=t[o+2];l<e&&(e=l),h<n&&(n=h),c<i&&(i=c),l>r&&(r=l),h>s&&(s=h),c>a&&(a=c)}return this.min.set(e,n,i),this.max.set(r,s,a),this}setFromBufferAttribute(t){let e=1/0,n=1/0,i=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.count;o<l;o++){const l=t.getX(o),h=t.getY(o),c=t.getZ(o);l<e&&(e=l),h<n&&(n=h),c<i&&(i=c),l>r&&(r=l),h>s&&(s=h),c>a&&(a=c)}return this.min.set(e,n,i),this.max.set(r,s,a),this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=X.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const n=t.geometry;if(void 0!==n)if(e&&null!=n.attributes&&void 0!==n.attributes.position){const e=n.attributes.position;for(let n=0,i=e.count;n<i;n++)X.fromBufferAttribute(e,n).applyMatrix4(t.matrixWorld),this.expandByPoint(X)}else null===n.boundingBox&&n.computeBoundingBox(),$.copy(n.boundingBox),$.applyMatrix4(t.matrixWorld),this.union($);const i=t.children;for(let t=0,n=i.length;t<n;t++)this.expandByObject(i[t],e);return this}containsPoint(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y||t.z<this.min.z||t.z>this.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)}intersectsSphere(t){return this.clampPoint(t.center,X),X.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(et),nt.subVectors(this.max,et),Y.subVectors(t.a,et),J.subVectors(t.b,et),K.subVectors(t.c,et),Z.subVectors(J,Y),Q.subVectors(K,J),tt.subVectors(Y,K);let e=[0,-Z.z,Z.y,0,-Q.z,Q.y,0,-tt.z,tt.y,Z.z,0,-Z.x,Q.z,0,-Q.x,tt.z,0,-tt.x,-Z.y,Z.x,0,-Q.y,Q.x,0,-tt.y,tt.x,0];return!!st(e,Y,J,K,nt)&&(e=[1,0,0,0,1,0,0,0,1],!!st(e,Y,J,K,nt)&&(it.crossVectors(Z,Q),e=[it.x,it.y,it.z],st(e,Y,J,K,nt)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return X.copy(t).clamp(this.min,this.max).sub(t).length()}getBoundingSphere(t){return this.getCenter(t.center),t.radius=.5*this.getSize(X).length(),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(q[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),q[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),q[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),q[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),q[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),q[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),q[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),q[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(q)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}j.prototype.isBox3=!0;const q=[new V,new V,new V,new V,new V,new V,new V,new V],X=new V,$=new j,Y=new V,J=new V,K=new V,Z=new V,Q=new V,tt=new V,et=new V,nt=new V,it=new V,rt=new V;function st(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){rt.fromArray(t,s);const a=r.x*Math.abs(rt.x)+r.y*Math.abs(rt.y)+r.z*Math.abs(rt.z),o=e.dot(rt),l=n.dot(rt),h=i.dot(rt);if(Math.max(-Math.max(o,l,h),Math.min(o,l,h))>a)return!1}return!0}const at=new j,ot=new V,lt=new V,ht=new V;class ct{constructor(t=new V,e=-1){this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):at.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;e<r;e++)i=Math.max(i,n.distanceToSquared(t[e]));return this.radius=Math.sqrt(i),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const n=this.center.distanceToSquared(t);return e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){ht.subVectors(t,this.center);const e=ht.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.add(ht.multiplyScalar(n/t)),this.radius+=n}return this}union(t){return!0===this.center.equals(t.center)?lt.set(0,0,1).multiplyScalar(t.radius):lt.subVectors(t.center,this.center).normalize().multiplyScalar(t.radius),this.expandByPoint(ot.copy(t.center).add(lt)),this.expandByPoint(ot.copy(t.center).sub(lt)),this}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const ut=new V,dt=new V,pt=new V,mt=new V,ft=new V,gt=new V,vt=new V;class yt{constructor(t=new V,e=new V(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.direction).multiplyScalar(t).add(this.origin)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,ut)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=ut.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(ut.copy(this.direction).multiplyScalar(e).add(this.origin),ut.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){dt.copy(t).add(e).multiplyScalar(.5),pt.copy(e).sub(t).normalize(),mt.copy(this.origin).sub(dt);const r=.5*t.distanceTo(e),s=-this.direction.dot(pt),a=mt.dot(this.direction),o=-mt.dot(pt),l=mt.lengthSq(),h=Math.abs(1-s*s);let c,u,d,p;if(h>0)if(c=s*o-a,u=s*a-o,p=r*h,c>=0)if(u>=-p)if(u<=p){const t=1/h;c*=t,u*=t,d=c*(c+s*u+2*a)+u*(s*c+u+2*o)+l}else u=r,c=Math.max(0,-(s*u+a)),d=-c*c+u*(u+2*o)+l;else u=-r,c=Math.max(0,-(s*u+a)),d=-c*c+u*(u+2*o)+l;else u<=-p?(c=Math.max(0,-(-s*r+a)),u=c>0?-r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+l):u<=p?(c=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(c=Math.max(0,-(s*r+a)),u=c>0?r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+l);else u=s>0?-r:r,c=Math.max(0,-(s*u+a)),d=-c*c+u*(u+2*o)+l;return n&&n.copy(this.direction).multiplyScalar(c).add(this.origin),i&&i.copy(pt).multiplyScalar(u).add(dt),d}intersectSphere(t,e){ut.subVectors(t.center,this.origin);const n=ut.dot(this.direction),i=ut.dot(ut)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return a<0&&o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,h=1/this.direction.y,c=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),h>=0?(r=(t.min.y-u.y)*h,s=(t.max.y-u.y)*h):(r=(t.max.y-u.y)*h,s=(t.min.y-u.y)*h),n>s||r>i?null:((r>n||n!=n)&&(n=r),(s<i||i!=i)&&(i=s),c>=0?(a=(t.min.z-u.z)*c,o=(t.max.z-u.z)*c):(a=(t.max.z-u.z)*c,o=(t.min.z-u.z)*c),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o<i||i!=i)&&(i=o),i<0?null:this.at(n>=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,ut)}intersectTriangle(t,e,n,i,r){ft.subVectors(e,t),gt.subVectors(n,t),vt.crossVectors(ft,gt);let s,a=this.direction.dot(vt);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}mt.subVectors(this.origin,t);const o=s*this.direction.dot(gt.crossVectors(mt,gt));if(o<0)return null;const l=s*this.direction.dot(ft.cross(mt));if(l<0)return null;if(o+l>a)return null;const h=-s*mt.dot(vt);return h<0?null:this.at(h/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class xt{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(t,e,n,i,r,s,a,o,l,h,c,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=h,g[10]=c,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new xt).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/bt.setFromMatrixColumn(t,0).length(),r=1/bt.setFromMatrixColumn(t,1).length(),s=1/bt.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){t&&t.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),h=Math.cos(r),c=Math.sin(r);if("XYZ"===t.order){const t=s*h,n=s*c,i=a*h,r=a*c;e[0]=o*h,e[4]=-o*c,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*h,n=o*c,i=l*h,r=l*c;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*c,e[5]=s*h,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*h,n=o*c,i=l*h,r=l*c;e[0]=t-r*a,e[4]=-s*c,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*h,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*h,n=s*c,i=a*h,r=a*c;e[0]=o*h,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*c,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*h,e[4]=r-t*c,e[8]=i*c+n,e[1]=c,e[5]=s*h,e[9]=-a*h,e[2]=-l*h,e[6]=n*c+i,e[10]=t-r*c}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*h,e[4]=-c,e[8]=l*h,e[1]=t*c+r,e[5]=s*h,e[9]=n*c-i,e[2]=i*c-n,e[6]=a*h,e[10]=r*c+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(wt,t,Mt)}lookAt(t,e,n){const i=this.elements;return Et.subVectors(t,e),0===Et.lengthSq()&&(Et.z=1),Et.normalize(),St.crossVectors(n,Et),0===St.lengthSq()&&(1===Math.abs(n.z)?Et.x+=1e-4:Et.z+=1e-4,Et.normalize(),St.crossVectors(n,Et)),St.normalize(),Tt.crossVectors(Et,St),i[0]=St.x,i[4]=Tt.x,i[8]=Et.x,i[1]=St.y,i[5]=Tt.y,i[9]=Et.y,i[2]=St.z,i[6]=Tt.z,i[10]=Et.z,this}multiply(t,e){return void 0!==e?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(t,e)):this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],h=n[1],c=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],y=n[7],x=n[11],b=n[15],_=i[0],w=i[4],M=i[8],S=i[12],T=i[1],E=i[5],A=i[9],R=i[13],C=i[2],L=i[6],P=i[10],D=i[14],I=i[3],O=i[7],N=i[11],F=i[15];return r[0]=s*_+a*T+o*C+l*I,r[4]=s*w+a*E+o*L+l*O,r[8]=s*M+a*A+o*P+l*N,r[12]=s*S+a*R+o*D+l*F,r[1]=h*_+c*T+u*C+d*I,r[5]=h*w+c*E+u*L+d*O,r[9]=h*M+c*A+u*P+d*N,r[13]=h*S+c*R+u*D+d*F,r[2]=p*_+m*T+f*C+g*I,r[6]=p*w+m*E+f*L+g*O,r[10]=p*M+m*A+f*P+g*N,r[14]=p*S+m*R+f*D+g*F,r[3]=v*_+y*T+x*C+b*I,r[7]=v*w+y*E+x*L+b*O,r[11]=v*M+y*A+x*P+b*N,r[15]=v*S+y*R+x*D+b*F,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],h=t[2],c=t[6],u=t[10],d=t[14];return t[3]*(+r*o*c-i*l*c-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*h-r*o*h)+t[11]*(+e*l*c-e*a*d-r*s*c+n*s*d+r*a*h-n*l*h)+t[15]*(-i*a*h-e*o*c+e*a*u+i*s*c-n*s*u+n*o*h)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],h=t[8],c=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=c*f*l-m*u*l+m*o*d-a*f*d-c*o*g+a*u*g,y=p*u*l-h*f*l-p*o*d+s*f*d+h*o*g-s*u*g,x=h*m*l-p*c*l+p*a*d-s*m*d-h*a*g+s*c*g,b=p*c*o-h*m*o-p*a*u+s*m*u+h*a*f-s*c*f,_=e*v+n*y+i*x+r*b;if(0===_)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const w=1/_;return t[0]=v*w,t[1]=(m*u*r-c*f*r-m*i*d+n*f*d+c*i*g-n*u*g)*w,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*w,t[3]=(c*o*r-a*u*r-c*i*l+n*u*l+a*i*d-n*o*d)*w,t[4]=y*w,t[5]=(h*f*r-p*u*r+p*i*d-e*f*d-h*i*g+e*u*g)*w,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*w,t[7]=(s*u*r-h*o*r+h*i*l-e*u*l-s*i*d+e*o*d)*w,t[8]=x*w,t[9]=(p*c*r-h*m*r-p*n*d+e*m*d+h*n*g-e*c*g)*w,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*w,t[11]=(h*a*r-s*c*r-h*n*l+e*c*l+s*n*d-e*a*d)*w,t[12]=b*w,t[13]=(h*m*i-p*c*i+p*n*u-e*m*u-h*n*f+e*c*f)*w,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*w,t[15]=(s*c*i-h*a*i+h*n*o-e*c*o-s*n*u+e*a*u)*w,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,h=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,h*a+n,h*o-i*s,0,l*o-i*a,h*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,h=s+s,c=a+a,u=r*l,d=r*h,p=r*c,m=s*h,f=s*c,g=a*c,v=o*l,y=o*h,x=o*c,b=n.x,_=n.y,w=n.z;return i[0]=(1-(m+g))*b,i[1]=(d+x)*b,i[2]=(p-y)*b,i[3]=0,i[4]=(d-x)*_,i[5]=(1-(u+g))*_,i[6]=(f+v)*_,i[7]=0,i[8]=(p+y)*w,i[9]=(f-v)*w,i[10]=(1-(u+m))*w,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=bt.set(i[0],i[1],i[2]).length();const s=bt.set(i[4],i[5],i[6]).length(),a=bt.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],_t.copy(this);const o=1/r,l=1/s,h=1/a;return _t.elements[0]*=o,_t.elements[1]*=o,_t.elements[2]*=o,_t.elements[4]*=l,_t.elements[5]*=l,_t.elements[6]*=l,_t.elements[8]*=h,_t.elements[9]*=h,_t.elements[10]*=h,e.setFromRotationMatrix(_t),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s){void 0===s&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");const a=this.elements,o=2*r/(e-t),l=2*r/(n-i),h=(e+t)/(e-t),c=(n+i)/(n-i),u=-(s+r)/(s-r),d=-2*s*r/(s-r);return a[0]=o,a[4]=0,a[8]=h,a[12]=0,a[1]=0,a[5]=l,a[9]=c,a[13]=0,a[2]=0,a[6]=0,a[10]=u,a[14]=d,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(t,e,n,i,r,s){const a=this.elements,o=1/(e-t),l=1/(n-i),h=1/(s-r),c=(e+t)*o,u=(n+i)*l,d=(s+r)*h;return a[0]=2*o,a[4]=0,a[8]=0,a[12]=-c,a[1]=0,a[5]=2*l,a[9]=0,a[13]=-u,a[2]=0,a[6]=0,a[10]=-2*h,a[14]=-d,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}xt.prototype.isMatrix4=!0;const bt=new V,_t=new xt,wt=new V(0,0,0),Mt=new V(1,1,1),St=new V,Tt=new V,Et=new V,At=new xt,Rt=new H;class Ct{constructor(t=0,e=0,n=0,i=Ct.DefaultOrder){this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],u=i[2],d=i[6],p=i[10];switch(e){case"XYZ":this._y=Math.asin(h(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,p),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(d,l),this._z=0);break;case"YXZ":this._x=Math.asin(-h(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,p),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-u,r),this._z=0);break;case"ZXY":this._x=Math.asin(h(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-u,p),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-h(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(d,p),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(h(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-u,r)):(this._x=0,this._y=Math.atan2(a,p));break;case"XZY":this._z=Math.asin(-h(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(d,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,p),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return At.makeRotationFromQuaternion(t),this.setFromRotationMatrix(At,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return Rt.setFromEuler(this),this.setFromQuaternion(Rt,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}}Ct.prototype.isEuler=!0,Ct.DefaultOrder="XYZ",Ct.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class Lt{constructor(){this.mask=1}set(t){this.mask=(1<<t|0)>>>0}enable(t){this.mask|=1<<t|0}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t|0}disable(t){this.mask&=~(1<<t|0)}disableAll(){this.mask=0}test(t){return 0!=(this.mask&t.mask)}isEnabled(t){return 0!=(this.mask&(1<<t|0))}}let Pt=0;const Dt=new V,It=new H,Ot=new xt,Nt=new V,Ft=new V,Ut=new V,kt=new H,Bt=new V(1,0,0),zt=new V(0,1,0),Ht=new V(0,0,1),Vt={type:"added"},Gt={type:"removed"};class Wt extends i{constructor(){super(),Object.defineProperty(this,"id",{value:Pt++}),this.uuid=l(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Wt.DefaultUp.clone();const t=new V,e=new Ct,n=new H,i=new V(1,1,1);e._onChange((function(){n.setFromEuler(e,!1)})),n._onChange((function(){e.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new xt},normalMatrix:{value:new v}}),this.matrix=new xt,this.matrixWorld=new xt,this.matrixAutoUpdate=Wt.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new Lt,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return It.setFromAxisAngle(t,e),this.quaternion.multiply(It),this}rotateOnWorldAxis(t,e){return It.setFromAxisAngle(t,e),this.quaternion.premultiply(It),this}rotateX(t){return this.rotateOnAxis(Bt,t)}rotateY(t){return this.rotateOnAxis(zt,t)}rotateZ(t){return this.rotateOnAxis(Ht,t)}translateOnAxis(t,e){return Dt.copy(t).applyQuaternion(this.quaternion),this.position.add(Dt.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(Bt,t)}translateY(t){return this.translateOnAxis(zt,t)}translateZ(t){return this.translateOnAxis(Ht,t)}localToWorld(t){return t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return t.applyMatrix4(Ot.copy(this.matrixWorld).invert())}lookAt(t,e,n){t.isVector3?Nt.copy(t):Nt.set(t,e,n);const i=this.parent;this.updateWorldMatrix(!0,!1),Ft.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Ot.lookAt(Ft,Nt,this.up):Ot.lookAt(Nt,Ft,this.up),this.quaternion.setFromRotationMatrix(Ot),i&&(Ot.extractRotation(i.matrixWorld),It.setFromRotationMatrix(Ot),this.quaternion.premultiply(It.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent(Vt)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(Gt)),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){for(let t=0;t<this.children.length;t++){const e=this.children[t];e.parent=null,e.dispatchEvent(Gt)}return this.children.length=0,this}attach(t){return this.updateWorldMatrix(!0,!1),Ot.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),Ot.multiply(t.parent.matrixWorld)),t.applyMatrix4(Ot),this.add(t),t.updateWorldMatrix(!1,!0),this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let n=0,i=this.children.length;n<i;n++){const i=this.children[n].getObjectByProperty(t,e);if(void 0!==i)return i}}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ft,t,Ut),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ft,kt,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].updateMatrixWorld(t)}updateWorldMatrix(t,e){const n=this.parent;if(!0===t&&null!==n&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===e){const t=this.children;for(let e=0,n=t.length;e<n;e++)t[e].updateWorldMatrix(!1,!0)}}toJSON(t){const e=void 0===t||"string"==typeof t,n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const i={};function r(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e<i;e++){const i=n[e];r(t.shapes,i)}else r(t.shapes,n)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let n=0,i=this.material.length;n<i;n++)e.push(r(t.materials,this.material[n]));i.material=e}else i.material=r(t.materials,this.material);if(this.children.length>0){i.children=[];for(let e=0;e<this.children.length;e++)i.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){i.animations=[];for(let e=0;e<this.animations.length;e++){const n=this.animations[e];i.animations.push(r(t.animations,n))}}if(e){const e=s(t.geometries),i=s(t.materials),r=s(t.textures),a=s(t.images),o=s(t.shapes),l=s(t.skeletons),h=s(t.animations),c=s(t.nodes);e.length>0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),h.length>0&&(n.animations=h),c.length>0&&(n.nodes=c)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const n=t.children[e];this.add(n.clone())}return this}}Wt.DefaultUp=new V(0,1,0),Wt.DefaultMatrixAutoUpdate=!0,Wt.prototype.isObject3D=!0;const jt=new V,qt=new V,Xt=new V,$t=new V,Yt=new V,Jt=new V,Kt=new V,Zt=new V,Qt=new V,te=new V;class ee{constructor(t=new V,e=new V,n=new V){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,i){i.subVectors(n,e),jt.subVectors(t,e),i.cross(jt);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){jt.subVectors(i,e),qt.subVectors(n,e),Xt.subVectors(t,e);const s=jt.dot(jt),a=jt.dot(qt),o=jt.dot(Xt),l=qt.dot(qt),h=qt.dot(Xt),c=s*l-a*a;if(0===c)return r.set(-2,-1,-1);const u=1/c,d=(l*o-a*h)*u,p=(s*h-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,$t),$t.x>=0&&$t.y>=0&&$t.x+$t.y<=1}static getUV(t,e,n,i,r,s,a,o){return this.getBarycoord(t,e,n,i,$t),o.set(0,0),o.addScaledVector(r,$t.x),o.addScaledVector(s,$t.y),o.addScaledVector(a,$t.z),o}static isFrontFacing(t,e,n,i){return jt.subVectors(n,e),qt.subVectors(t,e),jt.cross(qt).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return jt.subVectors(this.c,this.b),qt.subVectors(this.a,this.b),.5*jt.cross(qt).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return ee.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return ee.getBarycoord(t,this.a,this.b,this.c,e)}getUV(t,e,n,i,r){return ee.getUV(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return ee.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return ee.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Yt.subVectors(i,n),Jt.subVectors(r,n),Zt.subVectors(t,n);const o=Yt.dot(Zt),l=Jt.dot(Zt);if(o<=0&&l<=0)return e.copy(n);Qt.subVectors(t,i);const h=Yt.dot(Qt),c=Jt.dot(Qt);if(h>=0&&c<=h)return e.copy(i);const u=o*c-h*l;if(u<=0&&o>=0&&h<=0)return s=o/(o-h),e.copy(n).addScaledVector(Yt,s);te.subVectors(t,r);const d=Yt.dot(te),p=Jt.dot(te);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(Jt,a);const f=h*p-d*c;if(f<=0&&c-h>=0&&d-p>=0)return Kt.subVectors(r,i),a=(c-h)/(c-h+(d-p)),e.copy(i).addScaledVector(Kt,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(Yt,s).addScaledVector(Jt,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}let ne=0;class ie extends i{constructor(){super(),Object.defineProperty(this,"id",{value:ne++}),this.uuid=l(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=7680,this.stencilZFail=7680,this.stencilZPass=7680,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn("THREE.Material: '"+e+"' parameter is undefined.");continue}if("shading"===e){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===n;continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn("THREE."+this.type+": '"+e+"' is not a property of this material.")}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),0!==this.side&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaToCoverage&&(n.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.fog=t.fog,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}ie.prototype.isMaterial=!0,ie.fromType=function(){return null};class re extends ie{constructor(t){super(),this.type="MeshBasicMaterial",this.color=new L(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this}}re.prototype.isMeshBasicMaterial=!0;const se=new V,ae=new g;class oe{constructor(t,e,n){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=!0===n,this.usage=35044,this.updateRange={offset:0,count:-1},this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[t+i]=e.array[n+i];return this}copyArray(t){return this.array.set(t),this}copyColorsArray(t){const e=this.array;let n=0;for(let i=0,r=t.length;i<r;i++){let r=t[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",i),r=new L),e[n++]=r.r,e[n++]=r.g,e[n++]=r.b}return this}copyVector2sArray(t){const e=this.array;let n=0;for(let i=0,r=t.length;i<r;i++){let r=t[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",i),r=new g),e[n++]=r.x,e[n++]=r.y}return this}copyVector3sArray(t){const e=this.array;let n=0;for(let i=0,r=t.length;i<r;i++){let r=t[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",i),r=new V),e[n++]=r.x,e[n++]=r.y,e[n++]=r.z}return this}copyVector4sArray(t){const e=this.array;let n=0;for(let i=0,r=t.length;i<r;i++){let r=t[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",i),r=new U),e[n++]=r.x,e[n++]=r.y,e[n++]=r.z,e[n++]=r.w}return this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,n=this.count;e<n;e++)ae.fromBufferAttribute(this,e),ae.applyMatrix3(t),this.setXY(e,ae.x,ae.y);else if(3===this.itemSize)for(let e=0,n=this.count;e<n;e++)se.fromBufferAttribute(this,e),se.applyMatrix3(t),this.setXYZ(e,se.x,se.y,se.z);return this}applyMatrix4(t){for(let e=0,n=this.count;e<n;e++)se.fromBufferAttribute(this,e),se.applyMatrix4(t),this.setXYZ(e,se.x,se.y,se.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)se.fromBufferAttribute(this,e),se.applyNormalMatrix(t),this.setXYZ(e,se.x,se.y,se.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)se.fromBufferAttribute(this,e),se.transformDirection(t),this.setXYZ(e,se.x,se.y,se.z);return this}set(t,e=0){return this.array.set(t,e),this}getX(t){return this.array[t*this.itemSize]}setX(t,e){return this.array[t*this.itemSize]=e,this}getY(t){return this.array[t*this.itemSize+1]}setY(t,e){return this.array[t*this.itemSize+1]=e,this}getZ(t){return this.array[t*this.itemSize+2]}setZ(t,e){return this.array[t*this.itemSize+2]=e,this}getW(t){return this.array[t*this.itemSize+3]}setW(t,e){return this.array[t*this.itemSize+3]=e,this}setXY(t,e,n){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this}setXYZ(t,e,n,i){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this}setXYZW(t,e,n,i,r){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),35044!==this.usage&&(t.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(t.updateRange=this.updateRange),t}}oe.prototype.isBufferAttribute=!0;class le extends oe{constructor(t,e,n){super(new Uint16Array(t),e,n)}}class he extends oe{constructor(t,e,n){super(new Uint32Array(t),e,n)}}(class extends oe{constructor(t,e,n){super(new Uint16Array(t),e,n)}}).prototype.isFloat16BufferAttribute=!0;class ce extends oe{constructor(t,e,n){super(new Float32Array(t),e,n)}}let ue=0;const de=new xt,pe=new Wt,me=new V,fe=new j,ge=new j,ve=new V;class ye extends i{constructor(){super(),Object.defineProperty(this,"id",{value:ue++}),this.uuid=l(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(y(t)?he:le)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,n=0){this.groups.push({start:t,count:e,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const e=(new v).getNormalMatrix(t);n.applyNormalMatrix(e),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return de.makeRotationFromQuaternion(t),this.applyMatrix4(de),this}rotateX(t){return de.makeRotationX(t),this.applyMatrix4(de),this}rotateY(t){return de.makeRotationY(t),this.applyMatrix4(de),this}rotateZ(t){return de.makeRotationZ(t),this.applyMatrix4(de),this}translate(t,e,n){return de.makeTranslation(t,e,n),this.applyMatrix4(de),this}scale(t,e,n){return de.makeScale(t,e,n),this.applyMatrix4(de),this}lookAt(t){return pe.lookAt(t),pe.updateMatrix(),this.applyMatrix4(pe.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(me).negate(),this.translate(me.x,me.y,me.z),this}setFromPoints(t){const e=[];for(let n=0,i=t.length;n<i;n++){const i=t[n];e.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new ce(e,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new j);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new V(-1/0,-1/0,-1/0),new V(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];fe.setFromBufferAttribute(n),this.morphTargetsRelative?(ve.addVectors(this.boundingBox.min,fe.min),this.boundingBox.expandByPoint(ve),ve.addVectors(this.boundingBox.max,fe.max),this.boundingBox.expandByPoint(ve)):(this.boundingBox.expandByPoint(fe.min),this.boundingBox.expandByPoint(fe.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new ct);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new V,1/0);if(t){const n=this.boundingSphere.center;if(fe.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];ge.setFromBufferAttribute(n),this.morphTargetsRelative?(ve.addVectors(fe.min,ge.min),fe.expandByPoint(ve),ve.addVectors(fe.max,ge.max),fe.expandByPoint(ve)):(fe.expandByPoint(ge.min),fe.expandByPoint(ge.max))}fe.getCenter(n);let i=0;for(let e=0,r=t.count;e<r;e++)ve.fromBufferAttribute(t,e),i=Math.max(i,n.distanceToSquared(ve));if(e)for(let r=0,s=e.length;r<s;r++){const s=e[r],a=this.morphTargetsRelative;for(let e=0,r=s.count;e<r;e++)ve.fromBufferAttribute(s,e),a&&(me.fromBufferAttribute(t,e),ve.add(me)),i=Math.max(i,n.distanceToSquared(ve))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=t.array,i=e.position.array,r=e.normal.array,s=e.uv.array,a=i.length/3;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new oe(new Float32Array(4*a),4));const o=this.getAttribute("tangent").array,l=[],h=[];for(let t=0;t<a;t++)l[t]=new V,h[t]=new V;const c=new V,u=new V,d=new V,p=new g,m=new g,f=new g,v=new V,y=new V;function x(t,e,n){c.fromArray(i,3*t),u.fromArray(i,3*e),d.fromArray(i,3*n),p.fromArray(s,2*t),m.fromArray(s,2*e),f.fromArray(s,2*n),u.sub(c),d.sub(c),m.sub(p),f.sub(p);const r=1/(m.x*f.y-f.x*m.y);isFinite(r)&&(v.copy(u).multiplyScalar(f.y).addScaledVector(d,-m.y).multiplyScalar(r),y.copy(d).multiplyScalar(m.x).addScaledVector(u,-f.x).multiplyScalar(r),l[t].add(v),l[e].add(v),l[n].add(v),h[t].add(y),h[e].add(y),h[n].add(y))}let b=this.groups;0===b.length&&(b=[{start:0,count:n.length}]);for(let t=0,e=b.length;t<e;++t){const e=b[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)x(n[t+0],n[t+1],n[t+2])}const _=new V,w=new V,M=new V,S=new V;function T(t){M.fromArray(r,3*t),S.copy(M);const e=l[t];_.copy(e),_.sub(M.multiplyScalar(M.dot(e))).normalize(),w.crossVectors(S,e);const n=w.dot(h[t])<0?-1:1;o[4*t]=_.x,o[4*t+1]=_.y,o[4*t+2]=_.z,o[4*t+3]=n}for(let t=0,e=b.length;t<e;++t){const e=b[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)T(n[t+0]),T(n[t+1]),T(n[t+2])}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let n=this.getAttribute("normal");if(void 0===n)n=new oe(new Float32Array(3*e.count),3),this.setAttribute("normal",n);else for(let t=0,e=n.count;t<e;t++)n.setXYZ(t,0,0,0);const i=new V,r=new V,s=new V,a=new V,o=new V,l=new V,h=new V,c=new V;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),m=t.getX(u+2);i.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),s.fromBufferAttribute(e,m),h.subVectors(s,r),c.subVectors(i,r),h.cross(c),a.fromBufferAttribute(n,d),o.fromBufferAttribute(n,p),l.fromBufferAttribute(n,m),a.add(h),o.add(h),l.add(h),n.setXYZ(d,a.x,a.y,a.z),n.setXYZ(p,o.x,o.y,o.z),n.setXYZ(m,l.x,l.y,l.z)}else for(let t=0,a=e.count;t<a;t+=3)i.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),s.fromBufferAttribute(e,t+2),h.subVectors(s,r),c.subVectors(i,r),h.cross(c),n.setXYZ(t+0,h.x,h.y,h.z),n.setXYZ(t+1,h.x,h.y,h.z),n.setXYZ(t+2,h.x,h.y,h.z);this.normalizeNormals(),n.needsUpdate=!0}}merge(t,e){if(!t||!t.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",t);void 0===e&&(e=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));const n=this.attributes;for(const i in n){if(void 0===t.attributes[i])continue;const r=n[i].array,s=t.attributes[i],a=s.array,o=s.itemSize*e,l=Math.min(a.length,r.length-o);for(let t=0,e=o;t<l;t++,e++)r[e]=a[t]}return this}normalizeNormals(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)ve.fromBufferAttribute(t,e),ve.normalize(),t.setXYZ(e,ve.x,ve.y,ve.z)}toNonIndexed(){function t(t,e){const n=t.array,i=t.itemSize,r=t.normalized,s=new n.constructor(e.length*i);let a=0,o=0;for(let r=0,l=e.length;r<l;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*i;for(let t=0;t<i;t++)s[o++]=n[a++]}return new oe(s,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new ye,n=this.index.array,i=this.attributes;for(const r in i){const s=t(i[r],n);e.setAttribute(r,s)}const r=this.morphAttributes;for(const i in r){const s=[],a=r[i];for(let e=0,i=a.length;e<i;e++){const i=t(a[e],n);s.push(i)}e.morphAttributes[i]=s}e.morphTargetsRelative=this.morphTargetsRelative;const s=this.groups;for(let t=0,n=s.length;t<n;t++){const n=s[t];e.addGroup(n.start,n.count,n.materialIndex)}return e}toJSON(){const t={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e<i;e++){const i=n[e];s.push(i.toJSON(t.data))}s.length>0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t<r;t++)n.push(i[t].clone(e));this.morphAttributes[t]=n}this.morphTargetsRelative=t.morphTargetsRelative;const s=t.groups;for(let t=0,e=s.length;t<e;t++){const e=s[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,void 0!==t.parameters&&(this.parameters=Object.assign({},t.parameters)),this}dispose(){this.dispatchEvent({type:"dispose"})}}ye.prototype.isBufferGeometry=!0;const xe=new xt,be=new yt,_e=new ct,we=new V,Me=new V,Se=new V,Te=new V,Ee=new V,Ae=new V,Re=new V,Ce=new V,Le=new V,Pe=new g,De=new g,Ie=new g,Oe=new V,Ne=new V;class Fe extends Wt{constructor(t=new ye,e=new re){super(),this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t){return super.copy(t),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e<n;e++){const n=t[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=e}}}}else{const e=t.morphTargets;void 0!==e&&e.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}raycast(t,e){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0===i)return;if(null===n.boundingSphere&&n.computeBoundingSphere(),_e.copy(n.boundingSphere),_e.applyMatrix4(r),!1===t.ray.intersectsSphere(_e))return;if(xe.copy(r).invert(),be.copy(t.ray).applyMatrix4(xe),null!==n.boundingBox&&!1===be.intersectsBox(n.boundingBox))return;let s;if(n.isBufferGeometry){const r=n.index,a=n.attributes.position,o=n.morphAttributes.position,l=n.morphTargetsRelative,h=n.attributes.uv,c=n.attributes.uv2,u=n.groups,d=n.drawRange;if(null!==r)if(Array.isArray(i))for(let n=0,p=u.length;n<p;n++){const p=u[n],m=i[p.materialIndex];for(let n=Math.max(p.start,d.start),i=Math.min(r.count,Math.min(p.start+p.count,d.start+d.count));n<i;n+=3){const i=r.getX(n),u=r.getX(n+1),d=r.getX(n+2);s=Ue(this,m,t,be,a,o,l,h,c,i,u,d),s&&(s.faceIndex=Math.floor(n/3),s.face.materialIndex=p.materialIndex,e.push(s))}}else{for(let n=Math.max(0,d.start),u=Math.min(r.count,d.start+d.count);n<u;n+=3){const u=r.getX(n),d=r.getX(n+1),p=r.getX(n+2);s=Ue(this,i,t,be,a,o,l,h,c,u,d,p),s&&(s.faceIndex=Math.floor(n/3),e.push(s))}}else if(void 0!==a)if(Array.isArray(i))for(let n=0,r=u.length;n<r;n++){const r=u[n],p=i[r.materialIndex];for(let n=Math.max(r.start,d.start),i=Math.min(a.count,Math.min(r.start+r.count,d.start+d.count));n<i;n+=3){s=Ue(this,p,t,be,a,o,l,h,c,n,n+1,n+2),s&&(s.faceIndex=Math.floor(n/3),s.face.materialIndex=r.materialIndex,e.push(s))}}else{for(let n=Math.max(0,d.start),r=Math.min(a.count,d.start+d.count);n<r;n+=3){s=Ue(this,i,t,be,a,o,l,h,c,n,n+1,n+2),s&&(s.faceIndex=Math.floor(n/3),e.push(s))}}}else n.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}function Ue(t,e,n,i,r,s,a,o,l,h,c,u){we.fromBufferAttribute(r,h),Me.fromBufferAttribute(r,c),Se.fromBufferAttribute(r,u);const d=t.morphTargetInfluences;if(s&&d){Re.set(0,0,0),Ce.set(0,0,0),Le.set(0,0,0);for(let t=0,e=s.length;t<e;t++){const e=d[t],n=s[t];0!==e&&(Te.fromBufferAttribute(n,h),Ee.fromBufferAttribute(n,c),Ae.fromBufferAttribute(n,u),a?(Re.addScaledVector(Te,e),Ce.addScaledVector(Ee,e),Le.addScaledVector(Ae,e)):(Re.addScaledVector(Te.sub(we),e),Ce.addScaledVector(Ee.sub(Me),e),Le.addScaledVector(Ae.sub(Se),e)))}we.add(Re),Me.add(Ce),Se.add(Le)}t.isSkinnedMesh&&(t.boneTransform(h,we),t.boneTransform(c,Me),t.boneTransform(u,Se));const p=function(t,e,n,i,r,s,a,o){let l;if(l=1===e.side?i.intersectTriangle(a,s,r,!0,o):i.intersectTriangle(r,s,a,2!==e.side,o),null===l)return null;Ne.copy(o),Ne.applyMatrix4(t.matrixWorld);const h=n.ray.origin.distanceTo(Ne);return h<n.near||h>n.far?null:{distance:h,point:Ne.clone(),object:t}}(t,e,n,i,we,Me,Se,Oe);if(p){o&&(Pe.fromBufferAttribute(o,h),De.fromBufferAttribute(o,c),Ie.fromBufferAttribute(o,u),p.uv=ee.getUV(Oe,we,Me,Se,Pe,De,Ie,new g)),l&&(Pe.fromBufferAttribute(l,h),De.fromBufferAttribute(l,c),Ie.fromBufferAttribute(l,u),p.uv2=ee.getUV(Oe,we,Me,Se,Pe,De,Ie,new g));const t={a:h,b:c,c:u,normal:new V,materialIndex:0};ee.getNormal(we,Me,Se,t.normal),p.face=t}return p}Fe.prototype.isMesh=!0;class ke extends ye{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],h=[],c=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const y=s/f,x=p/g,b=s/2,_=p/2,w=m/2,M=f+1,S=g+1;let T=0,E=0;const A=new V;for(let s=0;s<S;s++){const a=s*x-_;for(let o=0;o<M;o++){const u=o*y-b;A[t]=u*i,A[e]=a*r,A[n]=w,l.push(A.x,A.y,A.z),A[t]=0,A[e]=0,A[n]=m>0?1:-1,h.push(A.x,A.y,A.z),c.push(o/f),c.push(1-s/g),T+=1}}for(let t=0;t<g;t++)for(let e=0;e<f;e++){const n=u+e+M*t,i=u+e+M*(t+1),r=u+(e+1)+M*(t+1),s=u+(e+1)+M*t;o.push(n,i,s),o.push(i,r,s),E+=6}a.addGroup(d,E,v),d+=E,u+=T}p("z","y","x",-1,-1,n,e,t,s,r,0),p("z","y","x",1,-1,n,e,-t,s,r,1),p("x","z","y",1,1,t,n,e,i,s,2),p("x","z","y",1,-1,t,n,-e,i,s,3),p("x","y","z",1,-1,t,e,n,i,r,4),p("x","y","z",-1,-1,t,e,-n,i,r,5),this.setIndex(o),this.setAttribute("position",new ce(l,3)),this.setAttribute("normal",new ce(h,3)),this.setAttribute("uv",new ce(c,2))}static fromJSON(t){return new ke(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function Be(t){const e={};for(const n in t){e[n]={};for(const i in t[n]){const r=t[n][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?e[n][i]=r.clone():Array.isArray(r)?e[n][i]=r.slice():e[n][i]=r}}return e}function ze(t){const e={};for(let n=0;n<t.length;n++){const i=Be(t[n]);for(const t in i)e[t]=i[t]}return e}const He={clone:Be,merge:ze};class Ve extends ie{constructor(t){super(),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&(void 0!==t.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(t))}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=Be(t.uniforms),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const n in this.uniforms){const i=this.uniforms[n].value;i&&i.isTexture?e.uniforms[n]={type:"t",value:i.toJSON(t).uuid}:i&&i.isColor?e.uniforms[n]={type:"c",value:i.getHex()}:i&&i.isVector2?e.uniforms[n]={type:"v2",value:i.toArray()}:i&&i.isVector3?e.uniforms[n]={type:"v3",value:i.toArray()}:i&&i.isVector4?e.uniforms[n]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?e.uniforms[n]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?e.uniforms[n]={type:"m4",value:i.toArray()}:e.uniforms[n]={value:i}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}Ve.prototype.isShaderMaterial=!0;class Ge extends Wt{constructor(){super(),this.type="Camera",this.matrixWorldInverse=new xt,this.projectionMatrix=new xt,this.projectionMatrixInverse=new xt}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(-e[8],-e[9],-e[10]).normalize()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}Ge.prototype.isCamera=!0;class We extends Ge{constructor(t=50,e=1,n=.1,i=2e3){super(),this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*o*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*a*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*o*Math.atan(Math.tan(.5*a*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*a*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const o=this.filmOffset;0!==o&&(r+=t*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}We.prototype.isPerspectiveCamera=!0;class je extends Wt{constructor(t,e,n){if(super(),this.type="CubeCamera",!0!==n.isWebGLCubeRenderTarget)return void console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");this.renderTarget=n;const i=new We(90,1,t,e);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new V(1,0,0)),this.add(i);const r=new We(90,1,t,e);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new V(-1,0,0)),this.add(r);const s=new We(90,1,t,e);s.layers=this.layers,s.up.set(0,0,1),s.lookAt(new V(0,1,0)),this.add(s);const a=new We(90,1,t,e);a.layers=this.layers,a.up.set(0,0,-1),a.lookAt(new V(0,-1,0)),this.add(a);const o=new We(90,1,t,e);o.layers=this.layers,o.up.set(0,-1,0),o.lookAt(new V(0,0,1)),this.add(o);const l=new We(90,1,t,e);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new V(0,0,-1)),this.add(l)}update(t,e){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget,[i,r,s,a,o,l]=this.children,h=t.getRenderTarget(),c=t.outputEncoding,u=t.toneMapping,d=t.xr.enabled;t.outputEncoding=3e3,t.toneMapping=0,t.xr.enabled=!1;const p=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0),t.render(e,i),t.setRenderTarget(n,1),t.render(e,r),t.setRenderTarget(n,2),t.render(e,s),t.setRenderTarget(n,3),t.render(e,a),t.setRenderTarget(n,4),t.render(e,o),n.texture.generateMipmaps=p,t.setRenderTarget(n,5),t.render(e,l),t.setRenderTarget(h),t.outputEncoding=c,t.toneMapping=u,t.xr.enabled=d,n.texture.needsPMREMUpdate=!0}}class qe extends F{constructor(t,e,n,i,r,s,a,o,l,h){super(t=void 0!==t?t:[],e=void 0!==e?e:301,n,i,r,s,a,o,l,h),this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}qe.prototype.isCubeTexture=!0;class Xe extends k{constructor(t,e={}){super(t,t,e);const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new qe(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:1006}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.encoding=e.encoding,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new ke(5,5,5),r=new Ve({name:"CubemapFromEquirect",uniforms:Be(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:1,blending:0});r.uniforms.tEquirect.value=e;const s=new Fe(i,r),a=e.minFilter;1008===e.minFilter&&(e.minFilter=1006);return new je(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}Xe.prototype.isWebGLCubeRenderTarget=!0;const $e=new V,Ye=new V,Je=new v;class Ke{constructor(t=new V(1,0,0),e=0){this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=$e.subVectors(n,e).cross(Ye.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(this.normal).multiplyScalar(-this.distanceToPoint(t)).add(t)}intersectLine(t,e){const n=t.delta($e),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(n).multiplyScalar(r).add(t.start)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||Je.getNormalMatrix(t),i=this.coplanarPoint($e).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}Ke.prototype.isPlane=!0;const Ze=new ct,Qe=new V;class tn{constructor(t=new Ke,e=new Ke,n=new Ke,i=new Ke,r=new Ke,s=new Ke){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t){const e=this.planes,n=t.elements,i=n[0],r=n[1],s=n[2],a=n[3],o=n[4],l=n[5],h=n[6],c=n[7],u=n[8],d=n[9],p=n[10],m=n[11],f=n[12],g=n[13],v=n[14],y=n[15];return e[0].setComponents(a-i,c-o,m-u,y-f).normalize(),e[1].setComponents(a+i,c+o,m+u,y+f).normalize(),e[2].setComponents(a+r,c+l,m+d,y+g).normalize(),e[3].setComponents(a-r,c-l,m-d,y-g).normalize(),e[4].setComponents(a-s,c-h,m-p,y-v).normalize(),e[5].setComponents(a+s,c+h,m+p,y+v).normalize(),this}intersectsObject(t){const e=t.geometry;return null===e.boundingSphere&&e.computeBoundingSphere(),Ze.copy(e.boundingSphere).applyMatrix4(t.matrixWorld),this.intersectsSphere(Ze)}intersectsSprite(t){return Ze.center.set(0,0,0),Ze.radius=.7071067811865476,Ze.applyMatrix4(t.matrixWorld),this.intersectsSphere(Ze)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)<i)return!1}return!0}intersectsBox(t){const e=this.planes;for(let n=0;n<6;n++){const i=e[n];if(Qe.x=i.normal.x>0?t.max.x:t.min.x,Qe.y=i.normal.y>0?t.max.y:t.min.y,Qe.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(Qe)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function en(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function nn(t,e){const n=e.isWebGL2,i=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),i.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);const n=i.get(e);n&&(t.deleteBuffer(n.buffer),i.delete(e))},update:function(e,r){if(e.isGLBufferAttribute){const t=i.get(e);return void((!t||t.version<e.version)&&i.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version}))}e.isInterleavedBufferAttribute&&(e=e.data);const s=i.get(e);void 0===s?i.set(e,function(e,i){const r=e.array,s=e.usage,a=t.createBuffer();let o;if(t.bindBuffer(i,a),t.bufferData(i,r,s),e.onUploadCallback(),r instanceof Float32Array)o=5126;else if(r instanceof Uint16Array)if(e.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");o=5131}else o=5123;else if(r instanceof Int16Array)o=5122;else if(r instanceof Uint32Array)o=5125;else if(r instanceof Int32Array)o=5124;else if(r instanceof Int8Array)o=5120;else if(r instanceof Uint8Array)o=5121;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+r);o=5121}return{buffer:a,type:o,bytesPerElement:r.BYTES_PER_ELEMENT,version:e.version}}(e,r)):s.version<e.version&&(!function(e,i,r){const s=i.array,a=i.updateRange;t.bindBuffer(r,e),-1===a.count?t.bufferSubData(r,0,s):(n?t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s,a.offset,a.count):t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s.subarray(a.offset,a.offset+a.count)),a.count=-1)}(s.buffer,e,r),s.version=e.version)}}}class rn extends ye{constructor(t=1,e=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:n,heightSegments:i};const r=t/2,s=e/2,a=Math.floor(n),o=Math.floor(i),l=a+1,h=o+1,c=t/a,u=e/o,d=[],p=[],m=[],f=[];for(let t=0;t<h;t++){const e=t*u-s;for(let n=0;n<l;n++){const i=n*c-r;p.push(i,-e,0),m.push(0,0,1),f.push(n/a),f.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const n=e+l*t,i=e+l*(t+1),r=e+1+l*(t+1),s=e+1+l*t;d.push(n,i,s),d.push(i,r,s)}this.setIndex(d),this.setAttribute("position",new ce(p,3)),this.setAttribute("normal",new ce(m,3)),this.setAttribute("uv",new ce(f,2))}static fromJSON(t){return new rn(t.width,t.height,t.widthSegments,t.heightSegments)}}const sn={alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 ) + 0.5;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#if defined( USE_ENVMAP )\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex:"vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#else\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\t#ifdef SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULARINTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n\t\t#endif\n\t\t#ifdef USE_SPECULARCOLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vUv ).rgb;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\n\t#endif\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = vec3( 0.0 );\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\tvec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",output_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= transmissionAlpha + 0.1;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tfloat transmissionAlpha = 1.0;\n\tfloat transmissionFactor = transmission;\n\tfloat thicknessFactor = thickness;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmission = getIBLVolumeRefraction(\n\t\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\n\t\tattenuationColor, attenuationDistance );\n\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\n\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\t#ifdef texture2DLodEXT\n\t\t\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#else\n\t\t\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#endif\n\t}\n\tvec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( attenuationDistance == 0.0 ) {\n\t\t\treturn radiance;\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance * radiance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n\t}\n#endif",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tgl_FragColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tgl_FragColor = vec4( mix( pow( gl_FragColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), gl_FragColor.rgb * 0.0773993808, vec3( lessThanEqual( gl_FragColor.rgb, vec3( 0.04045 ) ) ) ), gl_FragColor.w );\n\t#endif\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"#include <envmap_common_pars_fragment>\nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",depth_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include <lightmap_fragment>\n\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULARINTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n\t#ifdef USE_SPECULARCOLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\n\t#endif\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}"},an={common:{diffuse:{value:new L(16777215)},opacity:{value:1},map:{value:null},uvTransform:{value:new v},uv2Transform:{value:new v},alphaMap:{value:null},alphaTest:{value:0}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new g(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new 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if(l=e.get("ANGLE_instanced_arrays"),h="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[h](s,i,a,o),n.update(a,s,o)}}function un(t,e,n){let i;function r(e){if("highp"===e){if(t.getShaderPrecisionFormat(35633,36338).precision>0&&t.getShaderPrecisionFormat(35632,36338).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(35633,36337).precision>0&&t.getShaderPrecisionFormat(35632,36337).precision>0?"mediump":"lowp"}const s="undefined"!=typeof WebGL2RenderingContext&&t instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&t instanceof WebGL2ComputeRenderingContext;let a=void 0!==n.precision?n.precision:"highp";const o=r(a);o!==a&&(console.warn("THREE.WebGLRenderer:",a,"not supported, using",o,"instead."),a=o);const l=s||e.has("WEBGL_draw_buffers"),h=!0===n.logarithmicDepthBuffer,c=t.getParameter(34930),u=t.getParameter(35660),d=t.getParameter(3379),p=t.getParameter(34076),m=t.getParameter(34921),f=t.getParameter(36347),g=t.getParameter(36348),v=t.getParameter(36349),y=u>0,x=s||e.has("OES_texture_float");return{isWebGL2:s,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==i)return i;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");i=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else i=0;return i},getMaxPrecision:r,precision:a,logarithmicDepthBuffer:h,maxTextures:c,maxVertexTextures:u,maxTextureSize:d,maxCubemapSize:p,maxAttributes:m,maxVertexUniforms:f,maxVaryings:g,maxFragmentUniforms:v,vertexTextures:y,floatFragmentTextures:x,floatVertexTextures:y&&x,maxSamples:s?t.getParameter(36183):0}}function dn(t){const e=this;let n=null,i=0,r=!1,s=!1;const a=new Ke,o=new v,l={value:null,needsUpdate:!1};function h(){l.value!==n&&(l.value=n,l.needsUpdate=i>0),e.numPlanes=i,e.numIntersection=0}function c(t,n,i,r){const s=null!==t?t.length:0;let h=null;if(0!==s){if(h=l.value,!0!==r||null===h){const e=i+4*s,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===h||h.length<e)&&(h=new Float32Array(e));for(let e=0,n=i;e!==s;++e,n+=4)a.copy(t[e]).applyMatrix4(r,o),a.normal.toArray(h,n),h[n+3]=a.constant}l.value=h,l.needsUpdate=!0}return e.numPlanes=s,e.numIntersection=0,h}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(t,e,s){const a=0!==t.length||e||0!==i||r;return r=e,n=c(t,s,0),i=t.length,a},this.beginShadows=function(){s=!0,c(null)},this.endShadows=function(){s=!1,h()},this.setState=function(e,a,o){const u=e.clippingPlanes,d=e.clipIntersection,p=e.clipShadows,m=t.get(e);if(!r||null===u||0===u.length||s&&!p)s?c(null):h();else{const t=s?0:i,e=4*t;let r=m.clippingState||null;l.value=r,r=c(u,a,e,o);for(let t=0;t!==e;++t)r[t]=n[t];m.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}function pn(t){let e=new WeakMap;function n(t,e){return 303===e?t.mapping=301:304===e&&(t.mapping=302),t}function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture&&!1===r.isRenderTargetTexture){const s=r.mapping;if(303===s||304===s){if(e.has(r)){return n(e.get(r).texture,r.mapping)}{const s=r.image;if(s&&s.height>0){const a=new Xe(s.height/2);return a.fromEquirectangularTexture(t,r),e.set(r,a),r.addEventListener("dispose",i),n(a.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}on.physical={uniforms:ze([on.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new g(1,1)},clearcoatNormalMap:{value:null},sheen:{value:0},sheenColor:{value:new L(0)},sheenColorMap:{value:null},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},transmission:{value:0},transmissionMap:{value:null},transmissionSamplerSize:{value:new g},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},attenuationDistance:{value:0},attenuationColor:{value:new L(0)},specularIntensity:{value:1},specularIntensityMap:{value:null},specularColor:{value:new L(1,1,1)},specularColorMap:{value:null}}]),vertexShader:sn.meshphysical_vert,fragmentShader:sn.meshphysical_frag};class mn extends Ge{constructor(t=-1,e=1,n=1,i=-1,r=.1,s=2e3){super(),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}mn.prototype.isOrthographicCamera=!0;const fn=[.125,.215,.35,.446,.526,.582],gn=new mn,vn=new L;let yn=null;const xn=(1+Math.sqrt(5))/2,bn=1/xn,_n=[new V(1,1,1),new V(-1,1,1),new V(1,1,-1),new V(-1,1,-1),new V(0,xn,bn),new V(0,xn,-bn),new V(bn,0,xn),new V(-bn,0,xn),new V(xn,bn,0),new V(-xn,bn,0)];class wn{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){yn=this._renderer.getRenderTarget(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=En(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Tn(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;t<this._lodPlanes.length;t++)this._lodPlanes[t].dispose()}_cleanup(t){this._renderer.setRenderTarget(yn),t.scissorTest=!1,Sn(t,0,0,t.width,t.height)}_fromTexture(t,e){301===t.mapping||302===t.mapping?this._setSize(0===t.image.length?16:t.image[0].width||t.image[0].image.width):this._setSize(t.image.width/4),yn=this._renderer.getRenderTarget();const n=e||this._allocateTargets();return this._textureToCubeUV(t,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTargets(){const t=3*Math.max(this._cubeSize,112),e=4*this._cubeSize-32,n={magFilter:1006,minFilter:1006,generateMipmaps:!1,type:1016,format:1023,encoding:3e3,depthBuffer:!1},i=Mn(t,e,n);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Mn(t,e,n);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(t){const e=[],n=[],i=[];let r=t;const s=t-4+1+fn.length;for(let a=0;a<s;a++){const s=Math.pow(2,r);n.push(s);let o=1/s;a>t-4?o=fn[a-t+4-1]:0===a&&(o=0),i.push(o);const l=1/(s-1),h=-l/2,c=1+l/2,u=[h,h,c,h,c,c,h,h,c,c,h,c],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),y=new Float32Array(f*p*d),x=new Float32Array(g*p*d);for(let t=0;t<d;t++){const e=t%3*2/3-1,n=t>2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,m*p*t),y.set(u,f*p*t);const r=[t,t,t,t,t,t];x.set(r,g*p*t)}const b=new ye;b.setAttribute("position",new oe(v,m)),b.setAttribute("uv",new oe(y,f)),b.setAttribute("faceIndex",new oe(x,g)),e.push(b),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(20),r=new V(0,1,0);return new Ve({name:"SphericalGaussianBlur",defines:{n:20,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:An(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}(i,t,e)}return i}_compileMaterial(t){const e=new Fe(this._lodPlanes[0],t);this._renderer.compile(e,gn)}_sceneToCubeUV(t,e,n,i){const r=new We(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,h=o.toneMapping;o.getClearColor(vn),o.toneMapping=0,o.autoClear=!1;const c=new re({name:"PMREM.Background",side:1,depthWrite:!1,depthTest:!1}),u=new Fe(new ke,c);let d=!1;const p=t.background;p?p.isColor&&(c.color.copy(p),t.background=null,d=!0):(c.color.copy(vn),d=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Sn(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),d&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=h,o.autoClear=l,t.background=p}_textureToCubeUV(t,e){const n=this._renderer,i=301===t.mapping||302===t.mapping;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=En()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Tn());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Fe(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Sn(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,gn)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;for(let e=1;e<this._lodPlanes.length;e++){const n=Math.sqrt(this._sigmas[e]*this._sigmas[e]-this._sigmas[e-1]*this._sigmas[e-1]),i=_n[(e-1)%_n.length];this._blur(t,e-1,e,n,i)}e.autoClear=n}_blur(t,e,n,i,r){const s=this._pingPongRenderTarget;this._halfBlur(t,s,e,n,i,"latitudinal",r),this._halfBlur(s,t,n,n,i,"longitudinal",r)}_halfBlur(t,e,n,i,r,s,a){const o=this._renderer,l=this._blurMaterial;"latitudinal"!==s&&"longitudinal"!==s&&console.error("blur direction must be either 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Ve({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:An(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function En(){return new Ve({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:An(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) 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e=t.vertexShader,n=t.fragmentShader,i=this._getShaderStage(e),r=this._getShaderStage(n),s=this._getShaderCacheForMaterial(t);return!1===s.has(i)&&(s.add(i),i.usedTimes++),!1===s.has(r)&&(s.add(r),r.usedTimes++),this}remove(t){const e=this.materialCache.get(t);for(const t of e)t.usedTimes--,0===t.usedTimes&&this.shaderCache.delete(t.code);return this.materialCache.delete(t),this}getVertexShaderID(t){return this._getShaderStage(t.vertexShader).id}getFragmentShaderID(t){return this._getShaderStage(t.fragmentShader).id}dispose(){this.shaderCache.clear(),this.materialCache.clear()}_getShaderCacheForMaterial(t){const e=this.materialCache;return!1===e.has(t)&&e.set(t,new Set),e.get(t)}_getShaderStage(t){const e=this.shaderCache;if(!1===e.has(t)){const n=new lr(t);e.set(t,n)}return e.get(t)}}class lr{constructor(t){this.id=ar++,this.code=t,this.usedTimes=0}}function hr(t,e,n,i,r,s,a){const o=new Lt,l=new 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0!==s.depthPacking&&s.depthPacking,index0AttributeName:s.index0AttributeName,extensionDerivatives:s.extensions&&s.extensions.derivatives,extensionFragDepth:s.extensions&&s.extensions.fragDepth,extensionDrawBuffers:s.extensions&&s.extensions.drawBuffers,extensionShaderTextureLOD:s.extensions&&s.extensions.shaderTextureLOD,rendererExtensionFragDepth:c||i.has("EXT_frag_depth"),rendererExtensionDrawBuffers:c||i.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:c||i.has("EXT_shader_texture_lod"),customProgramCacheKey:s.customProgramCacheKey()}},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputEncoding),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.combine),t.push(e.vertexUvs),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.maxBones),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection)}(n,e),function(t,e){o.disableAll(),e.isWebGL2&&o.enable(0);e.supportsVertexTextures&&o.enable(1);e.instancing&&o.enable(2);e.instancingColor&&o.enable(3);e.map&&o.enable(4);e.matcap&&o.enable(5);e.envMap&&o.enable(6);e.lightMap&&o.enable(7);e.aoMap&&o.enable(8);e.emissiveMap&&o.enable(9);e.bumpMap&&o.enable(10);e.normalMap&&o.enable(11);e.objectSpaceNormalMap&&o.enable(12);e.tangentSpaceNormalMap&&o.enable(13);e.clearcoat&&o.enable(14);e.clearcoatMap&&o.enable(15);e.clearcoatRoughnessMap&&o.enable(16);e.clearcoatNormalMap&&o.enable(17);e.displacementMap&&o.enable(18);e.specularMap&&o.enable(19);e.roughnessMap&&o.enable(20);e.metalnessMap&&o.enable(21);e.gradientMap&&o.enable(22);e.alphaMap&&o.enable(23);e.alphaTest&&o.enable(24);e.vertexColors&&o.enable(25);e.vertexAlphas&&o.enable(26);e.vertexUvs&&o.enable(27);e.vertexTangents&&o.enable(28);e.uvsVertexOnly&&o.enable(29);e.fog&&o.enable(30);t.push(o.mask),o.disableAll(),e.useFog&&o.enable(0);e.flatShading&&o.enable(1);e.logarithmicDepthBuffer&&o.enable(2);e.skinning&&o.enable(3);e.useVertexTexture&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.physicallyCorrectLights&&o.enable(10);e.doubleSided&&o.enable(11);e.flipSided&&o.enable(12);e.depthPacking&&o.enable(13);e.dithering&&o.enable(14);e.specularIntensityMap&&o.enable(15);e.specularColorMap&&o.enable(16);e.transmission&&o.enable(17);e.transmissionMap&&o.enable(18);e.thicknessMap&&o.enable(19);e.sheen&&o.enable(20);e.sheenColorMap&&o.enable(21);e.sheenRoughnessMap&&o.enable(22);e.decodeVideoTexture&&o.enable(23);e.opaque&&o.enable(24);t.push(o.mask)}(n,e),n.push(t.outputEncoding)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=g[t.type];let n;if(e){const t=on[e];n=He.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=h.length;t<e;t++){const e=h[t];if(e.cacheKey===n){i=e,++i.usedTimes;break}}return void 0===i&&(i=new sr(t,n,e,s),h.push(i)),i},releaseProgram:function(t){if(0==--t.usedTimes){const e=h.indexOf(t);h[e]=h[h.length-1],h.pop(),t.destroy()}},releaseShaderCache:function(t){l.remove(t)},programs:h,dispose:function(){l.dispose()}}}function cr(){let t=new WeakMap;return{get:function(e){let n=t.get(e);return void 0===n&&(n={},t.set(e,n)),n},remove:function(e){t.delete(e)},update:function(e,n,i){t.get(e)[n]=i},dispose:function(){t=new WeakMap}}}function ur(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function dr(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}function pr(){const t=[];let e=0;const n=[],i=[],r=[];function s(n,i,r,s,a,o){let l=t[e];return void 0===l?(l={id:n.id,object:n,geometry:i,material:r,groupOrder:s,renderOrder:n.renderOrder,z:a,group:o},t[e]=l):(l.id=n.id,l.object=n,l.geometry=i,l.material=r,l.groupOrder=s,l.renderOrder=n.renderOrder,l.z=a,l.group=o),e++,l}return{opaque:n,transmissive:i,transparent:r,init:function(){e=0,n.length=0,i.length=0,r.length=0},push:function(t,e,a,o,l,h){const c=s(t,e,a,o,l,h);a.transmission>0?i.push(c):!0===a.transparent?r.push(c):n.push(c)},unshift:function(t,e,a,o,l,h){const c=s(t,e,a,o,l,h);a.transmission>0?i.unshift(c):!0===a.transparent?r.unshift(c):n.unshift(c)},finish:function(){for(let n=e,i=t.length;n<i;n++){const e=t[n];if(null===e.id)break;e.id=null,e.object=null,e.geometry=null,e.material=null,e.group=null}},sort:function(t,e){n.length>1&&n.sort(t||ur),i.length>1&&i.sort(e||dr),r.length>1&&r.sort(e||dr)}}}function mr(){let t=new WeakMap;return{get:function(e,n){let i;return!1===t.has(e)?(i=new pr,t.set(e,[i])):n>=t.get(e).length?(i=new pr,t.get(e).push(i)):i=t.get(e)[n],i},dispose:function(){t=new WeakMap}}}function fr(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new V,color:new L};break;case"SpotLight":n={position:new V,direction:new V,color:new L,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new V,color:new L,distance:0,decay:0};break;case"HemisphereLight":n={direction:new V,skyColor:new L,groundColor:new L};break;case"RectAreaLight":n={color:new L,position:new V,halfWidth:new V,halfHeight:new V}}return t[e.id]=n,n}}}let gr=0;function vr(t,e){return(e.castShadow?1:0)-(t.castShadow?1:0)}function yr(t,e){const n=new fr,i=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new g};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new g,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]};for(let t=0;t<9;t++)r.probe.push(new V);const s=new V,a=new xt,o=new xt;return{setup:function(s,a){let o=0,l=0,h=0;for(let t=0;t<9;t++)r.probe[t].set(0,0,0);let c=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0;s.sort(vr);const y=!0!==a?Math.PI:1;for(let t=0,e=s.length;t<e;t++){const e=s[t],a=e.color,x=e.intensity,b=e.distance,_=e.shadow&&e.shadow.map?e.shadow.map.texture:null;if(e.isAmbientLight)o+=a.r*x*y,l+=a.g*x*y,h+=a.b*x*y;else if(e.isLightProbe)for(let t=0;t<9;t++)r.probe[t].addScaledVector(e.sh.coefficients[t],x);else if(e.isDirectionalLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*y),e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,r.directionalShadow[c]=n,r.directionalShadowMap[c]=_,r.directionalShadowMatrix[c]=e.shadow.matrix,f++}r.directional[c]=t,c++}else if(e.isSpotLight){const t=n.get(e);if(t.position.setFromMatrixPosition(e.matrixWorld),t.color.copy(a).multiplyScalar(x*y),t.distance=b,t.coneCos=Math.cos(e.angle),t.penumbraCos=Math.cos(e.angle*(1-e.penumbra)),t.decay=e.decay,e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,r.spotShadow[d]=n,r.spotShadowMap[d]=_,r.spotShadowMatrix[d]=e.shadow.matrix,v++}r.spot[d]=t,d++}else if(e.isRectAreaLight){const t=n.get(e);t.color.copy(a).multiplyScalar(x),t.halfWidth.set(.5*e.width,0,0),t.halfHeight.set(0,.5*e.height,0),r.rectArea[p]=t,p++}else if(e.isPointLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*y),t.distance=e.distance,t.decay=e.decay,e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,n.shadowCameraNear=t.camera.near,n.shadowCameraFar=t.camera.far,r.pointShadow[u]=n,r.pointShadowMap[u]=_,r.pointShadowMatrix[u]=e.shadow.matrix,g++}r.point[u]=t,u++}else if(e.isHemisphereLight){const t=n.get(e);t.skyColor.copy(e.color).multiplyScalar(x*y),t.groundColor.copy(e.groundColor).multiplyScalar(x*y),r.hemi[m]=t,m++}}p>0&&(e.isWebGL2||!0===t.has("OES_texture_float_linear")?(r.rectAreaLTC1=an.LTC_FLOAT_1,r.rectAreaLTC2=an.LTC_FLOAT_2):!0===t.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=an.LTC_HALF_1,r.rectAreaLTC2=an.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),r.ambient[0]=o,r.ambient[1]=l,r.ambient[2]=h;const x=r.hash;x.directionalLength===c&&x.pointLength===u&&x.spotLength===d&&x.rectAreaLength===p&&x.hemiLength===m&&x.numDirectionalShadows===f&&x.numPointShadows===g&&x.numSpotShadows===v||(r.directional.length=c,r.spot.length=d,r.rectArea.length=p,r.point.length=u,r.hemi.length=m,r.directionalShadow.length=f,r.directionalShadowMap.length=f,r.pointShadow.length=g,r.pointShadowMap.length=g,r.spotShadow.length=v,r.spotShadowMap.length=v,r.directionalShadowMatrix.length=f,r.pointShadowMatrix.length=g,r.spotShadowMatrix.length=v,x.directionalLength=c,x.pointLength=u,x.spotLength=d,x.rectAreaLength=p,x.hemiLength=m,x.numDirectionalShadows=f,x.numPointShadows=g,x.numSpotShadows=v,r.version=gr++)},setupView:function(t,e){let n=0,i=0,l=0,h=0,c=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e<d;e++){const d=t[e];if(d.isDirectionalLight){const 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p=u.getFrameExtents();if(r.multiply(p),s.copy(u.mapSize),(r.x>c||r.y>c)&&(r.x>c&&(s.x=Math.floor(c/p.x),r.x=s.x*p.x,u.mapSize.x=s.x),r.y>c&&(s.y=Math.floor(c/p.y),r.y=s.y*p.y,u.mapSize.y=s.y)),null!==u.map||u.isPointLightShadow||3!==this.type||(u.map=new k(r.x,r.y),u.map.texture.name=h.name+".shadowMap",u.mapPass=new k(r.x,r.y),u.camera.updateProjectionMatrix()),null===u.map){const t={minFilter:1003,magFilter:1003,format:1023};u.map=new k(r.x,r.y,t),u.map.texture.name=h.name+".shadowMap",u.camera.updateProjectionMatrix()}t.setRenderTarget(u.map),t.clear();const m=u.getViewportCount();for(let t=0;t<m;t++){const e=u.getViewport(t);a.set(s.x*e.x,s.y*e.y,s.x*e.z,s.y*e.w),d.viewport(a),u.updateMatrices(h,t),i=u.getFrustum(),b(n,o,u.camera,h,this.type)}u.isPointLightShadow||3!==this.type||y(u,o),u.needsUpdate=!1}v.needsUpdate=!1,t.setRenderTarget(l,h,u)}}function Sr(t,e,n){const i=n.isWebGL2;const r=new function(){let e=!1;const n=new U;let i=null;const r=new 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t=0;t<6;t++)z(h.__webglFramebuffer[t],e,l,36064,34069+t);S(l,p)&&T(34067),n.unbindTexture()}else if(d){const t=e.texture;for(let r=0,s=t.length;r<s;r++){const s=t[r],a=i.get(s);n.bindTexture(3553,a.__webglTexture),U(3553,s,p),z(h.__webglFramebuffer,e,s,36064+r,3553),S(s,p)&&T(3553)}n.unbindTexture()}else{let t=3553;(e.isWebGL3DRenderTarget||e.isWebGLArrayRenderTarget)&&(o?t=e.isWebGL3DRenderTarget?32879:35866:console.error("THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2.")),n.bindTexture(t,c.__webglTexture),U(t,l,p),z(h.__webglFramebuffer,e,l,36064,t),S(l,p)&&T(t),n.unbindTexture()}e.depthBuffer&&V(e)},this.updateRenderTargetMipmap=function(t){const e=M(t)||o,r=!0===t.isWebGLMultipleRenderTargets?t.texture:[t.texture];for(let s=0,a=r.length;s<a;s++){const a=r[s];if(S(a,e)){const e=t.isWebGLCubeRenderTarget?34067:3553,r=i.get(a).__webglTexture;n.bindTexture(e,r),T(e),n.unbindTexture()}}},this.updateMultisampleRenderTarget=function(e){if(o&&e.samples>0&&!1===W(e)){const r=e.width,s=e.height;let a=16384;const o=[36064],l=e.stencilBuffer?33306:36096;e.depthBuffer&&o.push(l);const h=i.get(e),c=void 0!==h.__ignoreDepthValues&&h.__ignoreDepthValues;!1===c&&(e.depthBuffer&&(a|=256),e.stencilBuffer&&(a|=1024)),n.bindFramebuffer(36008,h.__webglMultisampledFramebuffer),n.bindFramebuffer(36009,h.__webglFramebuffer),!0===c&&(t.invalidateFramebuffer(36008,[l]),t.invalidateFramebuffer(36009,[l])),t.blitFramebuffer(0,0,r,s,0,0,r,s,a,9728),f&&t.invalidateFramebuffer(36008,o),n.bindFramebuffer(36008,null),n.bindFramebuffer(36009,h.__webglMultisampledFramebuffer)}},this.setupDepthRenderbuffer=V,this.setupFrameBufferTexture=z,this.useMultisampledRTT=W}function Er(t,e,n){const i=n.isWebGL2;return{convert:function(t,n=null){let r;if(1009===t)return 5121;if(1017===t)return 32819;if(1018===t)return 32820;if(1010===t)return 5120;if(1011===t)return 5122;if(1012===t)return 5123;if(1013===t)return 5124;if(1014===t)return 5125;if(1015===t)return 5126;if(1016===t)return i?5131:(r=e.get("OES_texture_half_float"),null!==r?r.HALF_FLOAT_OES:null);if(1021===t)return 6406;if(1023===t)return 6408;if(1024===t)return 6409;if(1025===t)return 6410;if(1026===t)return 6402;if(1027===t)return 34041;if(1028===t)return 6403;if(1022===t)return console.warn("THREE.WebGLRenderer: THREE.RGBFormat has been removed. Use THREE.RGBAFormat instead. https://github.com/mrdoob/three.js/pull/23228"),6408;if(1035===t)return r=e.get("EXT_sRGB"),null!==r?r.SRGB_ALPHA_EXT:null;if(1029===t)return 36244;if(1030===t)return 33319;if(1031===t)return 33320;if(1033===t)return 36249;if(33776===t||33777===t||33778===t||33779===t)if(3001===n){if(r=e.get("WEBGL_compressed_texture_s3tc_srgb"),null===r)return null;if(33776===t)return r.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(33777===t)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(33778===t)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(33779===t)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(r=e.get("WEBGL_compressed_texture_s3tc"),null===r)return null;if(33776===t)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===t)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===t)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===t)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===t||35841===t||35842===t||35843===t){if(r=e.get("WEBGL_compressed_texture_pvrtc"),null===r)return null;if(35840===t)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===t)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===t)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===t)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===t)return r=e.get("WEBGL_compressed_texture_etc1"),null!==r?r.COMPRESSED_RGB_ETC1_WEBGL:null;if(37492===t||37496===t){if(r=e.get("WEBGL_compressed_texture_etc"),null===r)return null;if(37492===t)return 3001===n?r.COMPRESSED_SRGB8_ETC2:r.COMPRESSED_RGB8_ETC2;if(37496===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:r.COMPRESSED_RGBA8_ETC2_EAC}if(37808===t||37809===t||37810===t||37811===t||37812===t||37813===t||37814===t||37815===t||37816===t||37817===t||37818===t||37819===t||37820===t||37821===t){if(r=e.get("WEBGL_compressed_texture_astc"),null===r)return null;if(37808===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:r.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:r.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:r.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:r.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:r.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:r.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:r.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:r.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:r.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:r.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:r.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:r.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:r.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===t)return 3001===n?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:r.COMPRESSED_RGBA_ASTC_12x12_KHR}if(36492===t){if(r=e.get("EXT_texture_compression_bptc"),null===r)return null;if(36492===t)return 3001===n?r.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:r.COMPRESSED_RGBA_BPTC_UNORM_EXT}return 1020===t?i?34042:(r=e.get("WEBGL_depth_texture"),null!==r?r.UNSIGNED_INT_24_8_WEBGL:null):void 0}}}class Ar extends We{constructor(t=[]){super(),this.cameras=t}}Ar.prototype.isArrayCamera=!0;class Rr extends Wt{constructor(){super(),this.type="Group"}}Rr.prototype.isGroup=!0;const Cr={type:"move"};class Lr{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Rr,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Rr,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new V,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new V),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Rr,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new V,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new V),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,n){let i=null,r=null,s=null;const a=this._targetRay,o=this._grip,l=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState)if(null!==a&&(i=e.getPose(t.targetRaySpace,n),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Cr))),l&&t.hand){s=!0;for(const i of t.hand.values()){const t=e.getJointPose(i,n);if(void 0===l.joints[i.jointName]){const t=new Rr;t.matrixAutoUpdate=!1,t.visible=!1,l.joints[i.jointName]=t,l.add(t)}const r=l.joints[i.jointName];null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.jointRadius=t.radius),r.visible=null!==t}const i=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],a=i.position.distanceTo(r.position),o=.02,h=.005;l.inputState.pinching&&a>o+h?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-h&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}}class Pr extends F{constructor(t,e,n,i,r,s,a,o,l,h){if(1026!==(h=void 0!==h?h:1026)&&1027!==h)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&1026===h&&(n=1012),void 0===n&&1027===h&&(n=1020),super(null,i,r,s,a,o,h,n,l),this.image={width:t,height:e},this.magFilter=void 0!==a?a:1003,this.minFilter=void 0!==o?o:1003,this.flipY=!1,this.generateMipmaps=!1}}Pr.prototype.isDepthTexture=!0;class Dr extends i{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=null,l=null,h=null,c=null,u=null;const d=e.getContextAttributes();let p=null,m=null;const f=[],g=new Map,v=new We;v.layers.enable(1),v.viewport=new U;const y=new We;y.layers.enable(2),y.viewport=new U;const x=[v,y],b=new Ar;b.layers.enable(1),b.layers.enable(2);let _=null,w=null;function M(t){const e=g.get(t.inputSource);e&&e.dispatchEvent({type:t.type,data:t.inputSource})}function S(){g.forEach((function(t,e){t.disconnect(e)})),g.clear(),_=null,w=null,t.setRenderTarget(p),c=null,h=null,l=null,i=null,m=null,L.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function T(t){const e=i.inputSources;for(let t=0;t<f.length;t++)g.set(e[t],f[t]);for(let e=0;e<t.removed.length;e++){const n=t.removed[e],i=g.get(n);i&&(i.dispatchEvent({type:"disconnected",data:n}),g.delete(n))}for(let e=0;e<t.added.length;e++){const n=t.added[e],i=g.get(n);i&&i.dispatchEvent({type:"connected",data:n})}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=f[t];return void 0===e&&(e=new Lr,f[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=f[t];return void 0===e&&(e=new Lr,f[t]=e),e.getGripSpace()},this.getHand=function(t){let e=f[t];return void 0===e&&(e=new Lr,f[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return s},this.getBaseLayer=function(){return null!==h?h:c},this.getBinding=function(){return l},this.getFrame=function(){return u},this.getSession=function(){return i},this.setSession=async function(o){if(i=o,null!==i){if(p=t.getRenderTarget(),i.addEventListener("select",M),i.addEventListener("selectstart",M),i.addEventListener("selectend",M),i.addEventListener("squeeze",M),i.addEventListener("squeezestart",M),i.addEventListener("squeezeend",M),i.addEventListener("end",S),i.addEventListener("inputsourceschange",T),!0!==d.xrCompatible&&await e.makeXRCompatible(),void 0===i.renderState.layers||!1===t.capabilities.isWebGL2){const n={antialias:void 0!==i.renderState.layers||d.antialias,alpha:d.alpha,depth:d.depth,stencil:d.stencil,framebufferScaleFactor:r};c=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:c}),m=new k(c.framebufferWidth,c.framebufferHeight,{format:1023,type:1009,encoding:t.outputEncoding})}else{let n=null,s=null,a=null;d.depth&&(a=d.stencil?35056:33190,n=d.stencil?1027:1026,s=d.stencil?1020:1012);const o={colorFormat:3001===t.outputEncoding?35907:32856,depthFormat:a,scaleFactor:r};l=new XRWebGLBinding(i,e),h=l.createProjectionLayer(o),i.updateRenderState({layers:[h]}),m=new k(h.textureWidth,h.textureHeight,{format:1023,type:1009,depthTexture:new Pr(h.textureWidth,h.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:d.stencil,encoding:t.outputEncoding,samples:d.antialias?4:0});t.properties.get(m).__ignoreDepthValues=h.ignoreDepthValues}m.isXRRenderTarget=!0,this.setFoveation(1),s=await i.requestReferenceSpace(a),L.setContext(i),L.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}};const E=new V,A=new V;function R(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;b.near=y.near=v.near=t.near,b.far=y.far=v.far=t.far,_===b.near&&w===b.far||(i.updateRenderState({depthNear:b.near,depthFar:b.far}),_=b.near,w=b.far);const e=t.parent,n=b.cameras;R(b,e);for(let t=0;t<n.length;t++)R(n[t],e);b.matrixWorld.decompose(b.position,b.quaternion,b.scale),t.position.copy(b.position),t.quaternion.copy(b.quaternion),t.scale.copy(b.scale),t.matrix.copy(b.matrix),t.matrixWorld.copy(b.matrixWorld);const r=t.children;for(let t=0,e=r.length;t<e;t++)r[t].updateMatrixWorld(!0);2===n.length?function(t,e,n){E.setFromMatrixPosition(e.matrixWorld),A.setFromMatrixPosition(n.matrixWorld);const i=E.distanceTo(A),r=e.projectionMatrix.elements,s=n.projectionMatrix.elements,a=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],h=(r[9]-1)/r[5],c=(r[8]-1)/r[0],u=(s[8]+1)/s[0],d=a*c,p=a*u,m=i/(-c+u),f=m*-c;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(f),t.translateZ(m),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.copy(t.matrixWorld).invert();const g=a+m,v=o+m,y=d-f,x=p+(i-f),b=l*o/v*g,_=h*o/v*g;t.projectionMatrix.makePerspective(y,x,b,_,g,v)}(b,v,y):b.projectionMatrix.copy(v.projectionMatrix)},this.getCamera=function(){return b},this.getFoveation=function(){return null!==h?h.fixedFoveation:null!==c?c.fixedFoveation:void 0},this.setFoveation=function(t){null!==h&&(h.fixedFoveation=t),null!==c&&void 0!==c.fixedFoveation&&(c.fixedFoveation=t)};let C=null;const L=new en;L.setAnimationLoop((function(e,n){if(o=n.getViewerPose(s),u=n,null!==o){const e=o.views;null!==c&&(t.setRenderTargetFramebuffer(m,c.framebuffer),t.setRenderTarget(m));let n=!1;e.length!==b.cameras.length&&(b.cameras.length=0,n=!0);for(let i=0;i<e.length;i++){const r=e[i];let s=null;if(null!==c)s=c.getViewport(r);else{const e=l.getViewSubImage(h,r);s=e.viewport,0===i&&(t.setRenderTargetTextures(m,e.colorTexture,h.ignoreDepthValues?void 0:e.depthStencilTexture),t.setRenderTarget(m))}const a=x[i];a.matrix.fromArray(r.transform.matrix),a.projectionMatrix.fromArray(r.projectionMatrix),a.viewport.set(s.x,s.y,s.width,s.height),0===i&&b.matrix.copy(a.matrix),!0===n&&b.cameras.push(a)}}const r=i.inputSources;for(let t=0;t<f.length;t++){const e=f[t],i=r[t];e.update(i,n,s)}C&&C(e,n),u=null})),this.setAnimationLoop=function(t){C=t},this.dispose=function(){}}}function Ir(t,e){function n(n,i){n.opacity.value=i.opacity,i.color&&n.diffuse.value.copy(i.color),i.emissive&&n.emissive.value.copy(i.emissive).multiplyScalar(i.emissiveIntensity),i.map&&(n.map.value=i.map),i.alphaMap&&(n.alphaMap.value=i.alphaMap),i.bumpMap&&(n.bumpMap.value=i.bumpMap,n.bumpScale.value=i.bumpScale,1===i.side&&(n.bumpScale.value*=-1)),i.displacementMap&&(n.displacementMap.value=i.displacementMap,n.displacementScale.value=i.displacementScale,n.displacementBias.value=i.displacementBias),i.emissiveMap&&(n.emissiveMap.value=i.emissiveMap),i.normalMap&&(n.normalMap.value=i.normalMap,n.normalScale.value.copy(i.normalScale),1===i.side&&n.normalScale.value.negate()),i.specularMap&&(n.specularMap.value=i.specularMap),i.alphaTest>0&&(n.alphaTest.value=i.alphaTest);const r=e.get(i).envMap;if(r&&(n.envMap.value=r,n.flipEnvMap.value=r.isCubeTexture&&!1===r.isRenderTargetTexture?-1:1,n.reflectivity.value=i.reflectivity,n.ior.value=i.ior,n.refractionRatio.value=i.refractionRatio),i.lightMap){n.lightMap.value=i.lightMap;const e=!0!==t.physicallyCorrectLights?Math.PI:1;n.lightMapIntensity.value=i.lightMapIntensity*e}let s,a;i.aoMap&&(n.aoMap.value=i.aoMap,n.aoMapIntensity.value=i.aoMapIntensity),i.map?s=i.map:i.specularMap?s=i.specularMap:i.displacementMap?s=i.displacementMap:i.normalMap?s=i.normalMap:i.bumpMap?s=i.bumpMap:i.roughnessMap?s=i.roughnessMap:i.metalnessMap?s=i.metalnessMap:i.alphaMap?s=i.alphaMap:i.emissiveMap?s=i.emissiveMap:i.clearcoatMap?s=i.clearcoatMap:i.clearcoatNormalMap?s=i.clearcoatNormalMap:i.clearcoatRoughnessMap?s=i.clearcoatRoughnessMap:i.specularIntensityMap?s=i.specularIntensityMap:i.specularColorMap?s=i.specularColorMap:i.transmissionMap?s=i.transmissionMap:i.thicknessMap?s=i.thicknessMap:i.sheenColorMap?s=i.sheenColorMap:i.sheenRoughnessMap&&(s=i.sheenRoughnessMap),void 0!==s&&(s.isWebGLRenderTarget&&(s=s.texture),!0===s.matrixAutoUpdate&&s.updateMatrix(),n.uvTransform.value.copy(s.matrix)),i.aoMap?a=i.aoMap:i.lightMap&&(a=i.lightMap),void 0!==a&&(a.isWebGLRenderTarget&&(a=a.texture),!0===a.matrixAutoUpdate&&a.updateMatrix(),n.uv2Transform.value.copy(a.matrix))}return{refreshFogUniforms:function(t,e){t.fogColor.value.copy(e.color),e.isFog?(t.fogNear.value=e.near,t.fogFar.value=e.far):e.isFogExp2&&(t.fogDensity.value=e.density)},refreshMaterialUniforms:function(t,i,r,s,a){i.isMeshBasicMaterial||i.isMeshLambertMaterial?n(t,i):i.isMeshToonMaterial?(n(t,i),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,i)):i.isMeshPhongMaterial?(n(t,i),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,i)):i.isMeshStandardMaterial?(n(t,i),function(t,n){t.roughness.value=n.roughness,t.metalness.value=n.metalness,n.roughnessMap&&(t.roughnessMap.value=n.roughnessMap);n.metalnessMap&&(t.metalnessMap.value=n.metalnessMap);e.get(n).envMap&&(t.envMapIntensity.value=n.envMapIntensity)}(t,i),i.isMeshPhysicalMaterial&&function(t,e,n){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap),e.clearcoatNormalMap&&(t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),t.clearcoatNormalMap.value=e.clearcoatNormalMap,1===e.side&&t.clearcoatNormalScale.value.negate()));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=n.texture,t.transmissionSamplerSize.value.set(n.width,n.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap);e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap)}(t,i,a)):i.isMeshMatcapMaterial?(n(t,i),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,i)):i.isMeshDepthMaterial?n(t,i):i.isMeshDistanceMaterial?(n(t,i),function(t,e){t.referencePosition.value.copy(e.referencePosition),t.nearDistance.value=e.nearDistance,t.farDistance.value=e.farDistance}(t,i)):i.isMeshNormalMaterial?n(t,i):i.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity}(t,i),i.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,i)):i.isPointsMaterial?function(t,e,n,i){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*n,t.scale.value=.5*i,e.map&&(t.map.value=e.map);e.alphaMap&&(t.alphaMap.value=e.alphaMap);e.alphaTest>0&&(t.alphaTest.value=e.alphaTest);let r;e.map?r=e.map:e.alphaMap&&(r=e.alphaMap);void 0!==r&&(!0===r.matrixAutoUpdate&&r.updateMatrix(),t.uvTransform.value.copy(r.matrix))}(t,i,r,s):i.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map);e.alphaMap&&(t.alphaMap.value=e.alphaMap);e.alphaTest>0&&(t.alphaTest.value=e.alphaTest);let n;e.map?n=e.map:e.alphaMap&&(n=e.alphaMap);void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),t.uvTransform.value.copy(n.matrix))}(t,i):i.isShadowMaterial?(t.color.value.copy(i.color),t.opacity.value=i.opacity):i.isShaderMaterial&&(i.uniformsNeedUpdate=!1)}}}function Or(t={}){const e=void 0!==t.canvas?t.canvas:function(){const t=x("canvas");return t.style.display="block",t}(),n=void 0!==t.context?t.context:null,i=void 0===t.depth||t.depth,r=void 0===t.stencil||t.stencil,s=void 0!==t.antialias&&t.antialias,a=void 0===t.premultipliedAlpha||t.premultipliedAlpha,o=void 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0!==e&&e.setValue(vt,j.setFromMatrixPosition(t.matrixWorld))}(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&P.setValue(vt,"isOrthographic",!0===t.isOrthographicCamera),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial||i.isShadowMaterial||r.isSkinnedMesh)&&P.setValue(vt,"viewMatrix",t.matrixWorldInverse)}if(r.isSkinnedMesh){P.setOptional(vt,r,"bindMatrix"),P.setOptional(vt,r,"bindMatrixInverse");const t=r.skeleton;t&&(Y.floatVertexTextures?(null===t.boneTexture&&t.computeBoneTexture(),P.setValue(vt,"boneTexture",t.boneTexture,Q),P.setValue(vt,"boneTextureSize",t.boneTextureSize)):P.setOptional(vt,t,"boneMatrices"))}const I=n.morphAttributes;(void 0!==I.position||void 0!==I.normal||void 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if((t.isMesh||t.isLine||t.isPoints)&&(t.isSkinnedMesh&&t.skeleton.frame!==K.render.frame&&(t.skeleton.update(),t.skeleton.frame=K.render.frame),!t.frustumCulled||F.intersectsObject(t))){i&&j.setFromMatrixPosition(t.matrixWorld).applyMatrix4(G);const e=rt.update(t),r=t.material;if(Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s<a;s++){const a=i[s],o=r[a.materialIndex];o&&o.visible&&u.push(t,e,o,n,j.z,a)}}else r.visible&&u.push(t,e,r,n,j.z,null)}const r=t.children;for(let t=0,s=r.length;t<s;t++)Ct(r[t],e,n,i)}function Lt(t,e,n,i){const r=t.opaque,a=t.transmissive,o=t.transparent;d.setupLightsView(n),a.length>0&&function(t,e,n){const i=Y.isWebGL2;null===H&&(H=new k(1,1,{generateMipmaps:!0,type:null!==ft.convert(1016)?1016:1009,minFilter:1008,samples:i&&!0===s?4:0}));v.getDrawingBufferSize(W),i?H.setSize(W.x,W.y):H.setSize(m(W.x),m(W.y));const r=v.getRenderTarget();v.setRenderTarget(H),v.clear();const a=v.toneMapping;v.toneMapping=0,Pt(t,e,n),v.toneMapping=a,Q.updateMultisampleRenderTarget(H),Q.updateRenderTargetMipmap(H),v.setRenderTarget(r)}(r,e,n),i&&J.viewport(T.copy(i)),r.length>0&&Pt(r,e,n),a.length>0&&Pt(a,e,n),o.length>0&&Pt(o,e,n),J.buffers.depth.setTest(!0),J.buffers.depth.setMask(!0),J.buffers.color.setMask(!0),J.setPolygonOffset(!1)}function Pt(t,e,n){const i=!0===e.isScene?e.overrideMaterial:null;for(let r=0,s=t.length;r<s;r++){const s=t[r],a=s.object,o=s.geometry,l=null===i?s.material:i,h=s.group;a.layers.test(n.layers)&&Dt(a,e,n,o,l,h)}}function Dt(t,e,n,i,r,s){t.onBeforeRender(v,e,n,i,r,s),t.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,t.matrixWorld),t.normalMatrix.getNormalMatrix(t.modelViewMatrix),r.onBeforeRender(v,e,n,i,t,s),!0===r.transparent&&2===r.side?(r.side=1,r.needsUpdate=!0,v.renderBufferDirect(n,e,i,r,t,s),r.side=0,r.needsUpdate=!0,v.renderBufferDirect(n,e,i,r,t,s),r.side=2):v.renderBufferDirect(n,e,i,r,t,s),t.onAfterRender(v,e,n,i,r,s)}function It(t,e,n){!0!==e.isScene&&(e=q);const i=Z.get(t),r=d.state.lights,s=d.state.shadowsArray,a=r.state.version,o=st.getParameters(t,r.state,s,e,n),l=st.getProgramCacheKey(o);let h=i.programs;i.environment=t.isMeshStandardMaterial?e.environment:null,i.fog=e.fog,i.envMap=(t.isMeshStandardMaterial?et:tt).get(t.envMap||i.environment),void 0===h&&(t.addEventListener("dispose",St),h=new Map,i.programs=h);let c=h.get(l);if(void 0!==c){if(i.currentProgram===c&&i.lightsStateVersion===a)return Ot(t,o),c}else o.uniforms=st.getUniforms(t),t.onBuild(n,o,v),t.onBeforeCompile(o,v),c=st.acquireProgram(o,l),h.set(l,c),i.uniforms=o.uniforms;const u=i.uniforms;(t.isShaderMaterial||t.isRawShaderMaterial)&&!0!==t.clipping||(u.clippingPlanes=ht.uniform),Ot(t,o),i.needsLights=function(t){return t.isMeshLambertMaterial||t.isMeshToonMaterial||t.isMeshPhongMaterial||t.isMeshStandardMaterial||t.isShadowMaterial||t.isShaderMaterial&&!0===t.lights}(t),i.lightsStateVersion=a,i.needsLights&&(u.ambientLightColor.value=r.state.ambient,u.lightProbe.value=r.state.probe,u.directionalLights.value=r.state.directional,u.directionalLightShadows.value=r.state.directionalShadow,u.spotLights.value=r.state.spot,u.spotLightShadows.value=r.state.spotShadow,u.rectAreaLights.value=r.state.rectArea,u.ltc_1.value=r.state.rectAreaLTC1,u.ltc_2.value=r.state.rectAreaLTC2,u.pointLights.value=r.state.point,u.pointLightShadows.value=r.state.pointShadow,u.hemisphereLights.value=r.state.hemi,u.directionalShadowMap.value=r.state.directionalShadowMap,u.directionalShadowMatrix.value=r.state.directionalShadowMatrix,u.spotShadowMap.value=r.state.spotShadowMap,u.spotShadowMatrix.value=r.state.spotShadowMatrix,u.pointShadowMap.value=r.state.pointShadowMap,u.pointShadowMatrix.value=r.state.pointShadowMatrix);const p=c.getUniforms(),m=Hi.seqWithValue(p.seq,u);return i.currentProgram=c,i.uniformsList=m,c}function Ot(t,e){const n=Z.get(t);n.outputEncoding=e.outputEncoding,n.instancing=e.instancing,n.skinning=e.skinning,n.morphTargets=e.morphTargets,n.morphNormals=e.morphNormals,n.morphColors=e.morphColors,n.morphTargetsCount=e.morphTargetsCount,n.numClippingPlanes=e.numClippingPlanes,n.numIntersection=e.numClipIntersection,n.vertexAlphas=e.vertexAlphas,n.vertexTangents=e.vertexTangents,n.toneMapping=e.toneMapping}Rt.setAnimationLoop((function(t){Tt&&Tt(t)})),"undefined"!=typeof self&&Rt.setContext(self),this.setAnimationLoop=function(t){Tt=t,_t.setAnimationLoop(t),null===t?Rt.stop():Rt.start()},_t.addEventListener("sessionstart",Et),_t.addEventListener("sessionend",At),this.render=function(t,e){if(void 0!==e&&!0!==e.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===y)return;!0===t.autoUpdate&&t.updateMatrixWorld(),null===e.parent&&e.updateMatrixWorld(),!0===_t.enabled&&!0===_t.isPresenting&&(!0===_t.cameraAutoUpdate&&_t.updateCamera(e),e=_t.getCamera()),!0===t.isScene&&t.onBeforeRender(v,t,e,w),d=lt.get(t,f.length),d.init(),f.push(d),G.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),F.setFromProjectionMatrix(G),z=this.localClippingEnabled,B=ht.init(this.clippingPlanes,z,e),u=ot.get(t,p.length),u.init(),p.push(u),Ct(t,e,0,v.sortObjects),u.finish(),!0===v.sortObjects&&u.sort(P,D),!0===B&&ht.beginShadows();const n=d.state.shadowsArray;if(ct.render(n,t,e),!0===B&&ht.endShadows(),!0===this.info.autoReset&&this.info.reset(),ut.render(u,t),d.setupLights(v.physicallyCorrectLights),e.isArrayCamera){const n=e.cameras;for(let e=0,i=n.length;e<i;e++){const i=n[e];Lt(u,t,i,i.viewport)}}else Lt(u,t,e);null!==w&&(Q.updateMultisampleRenderTarget(w),Q.updateRenderTargetMipmap(w)),!0===t.isScene&&t.onAfterRender(v,t,e),gt.resetDefaultState(),M=-1,S=null,f.pop(),d=f.length>0?f[f.length-1]:null,p.pop(),u=p.length>0?p[p.length-1]:null},this.getActiveCubeFace=function(){return b},this.getActiveMipmapLevel=function(){return _},this.getRenderTarget=function(){return w},this.setRenderTargetTextures=function(t,e,n){Z.get(t.texture).__webglTexture=e,Z.get(t.depthTexture).__webglTexture=n;const i=Z.get(t);i.__hasExternalTextures=!0,i.__hasExternalTextures&&(i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===$.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1))},this.setRenderTargetFramebuffer=function(t,e){const n=Z.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){w=t,b=e,_=n;let i=!0;if(t){const e=Z.get(t);void 0!==e.__useDefaultFramebuffer?(J.bindFramebuffer(36160,null),i=!1):void 0===e.__webglFramebuffer?Q.setupRenderTarget(t):e.__hasExternalTextures&&Q.rebindTextures(t,Z.get(t.texture).__webglTexture,Z.get(t.depthTexture).__webglTexture)}let r=null,s=!1,a=!1;if(t){const n=t.texture;(n.isData3DTexture||n.isDataArrayTexture)&&(a=!0);const i=Z.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=i[e],s=!0):r=Y.isWebGL2&&t.samples>0&&!1===Q.useMultisampledRTT(t)?Z.get(t).__webglMultisampledFramebuffer:i,T.copy(t.viewport),E.copy(t.scissor),A=t.scissorTest}else T.copy(I).multiplyScalar(L).floor(),E.copy(O).multiplyScalar(L).floor(),A=N;if(J.bindFramebuffer(36160,r)&&Y.drawBuffers&&i&&J.drawBuffers(t,r),J.viewport(T),J.scissor(E),J.setScissorTest(A),s){const i=Z.get(t.texture);vt.framebufferTexture2D(36160,36064,34069+e,i.__webglTexture,n)}else if(a){const i=Z.get(t.texture),r=e||0;vt.framebufferTextureLayer(36160,36064,i.__webglTexture,n||0,r)}M=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=Z.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){J.bindFramebuffer(36160,o);try{const a=t.texture,o=a.format,l=a.type;if(1023!==o&&ft.convert(o)!==vt.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const h=1016===l&&($.has("EXT_color_buffer_half_float")||Y.isWebGL2&&$.has("EXT_color_buffer_float"));if(!(1009===l||ft.convert(l)===vt.getParameter(35738)||1015===l&&(Y.isWebGL2||$.has("OES_texture_float")||$.has("WEBGL_color_buffer_float"))||h))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&vt.readPixels(e,n,i,r,ft.convert(o),ft.convert(l),s)}finally{const t=null!==w?Z.get(w).__webglFramebuffer:null;J.bindFramebuffer(36160,t)}}},this.copyFramebufferToTexture=function(t,e,n=0){if(!0!==e.isFramebufferTexture)return void console.error("THREE.WebGLRenderer: copyFramebufferToTexture() can only be used with FramebufferTexture.");const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),s=Math.floor(e.image.height*i);Q.setTexture2D(e,0),vt.copyTexSubImage2D(3553,n,0,0,t.x,t.y,r,s),J.unbindTexture()},this.copyTextureToTexture=function(t,e,n,i=0){const r=e.image.width,s=e.image.height,a=ft.convert(n.format),o=ft.convert(n.type);Q.setTexture2D(n,0),vt.pixelStorei(37440,n.flipY),vt.pixelStorei(37441,n.premultiplyAlpha),vt.pixelStorei(3317,n.unpackAlignment),e.isDataTexture?vt.texSubImage2D(3553,i,t.x,t.y,r,s,a,o,e.image.data):e.isCompressedTexture?vt.compressedTexSubImage2D(3553,i,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,a,e.mipmaps[0].data):vt.texSubImage2D(3553,i,t.x,t.y,a,o,e.image),0===i&&n.generateMipmaps&&vt.generateMipmap(3553),J.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n,i,r=0){if(v.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const s=t.max.x-t.min.x+1,a=t.max.y-t.min.y+1,o=t.max.z-t.min.z+1,l=ft.convert(i.format),h=ft.convert(i.type);let c;if(i.isData3DTexture)Q.setTexture3D(i,0),c=32879;else{if(!i.isDataArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");Q.setTexture2DArray(i,0),c=35866}vt.pixelStorei(37440,i.flipY),vt.pixelStorei(37441,i.premultiplyAlpha),vt.pixelStorei(3317,i.unpackAlignment);const u=vt.getParameter(3314),d=vt.getParameter(32878),p=vt.getParameter(3316),m=vt.getParameter(3315),f=vt.getParameter(32877),g=n.isCompressedTexture?n.mipmaps[0]:n.image;vt.pixelStorei(3314,g.width),vt.pixelStorei(32878,g.height),vt.pixelStorei(3316,t.min.x),vt.pixelStorei(3315,t.min.y),vt.pixelStorei(32877,t.min.z),n.isDataTexture||n.isData3DTexture?vt.texSubImage3D(c,r,e.x,e.y,e.z,s,a,o,l,h,g.data):n.isCompressedTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),vt.compressedTexSubImage3D(c,r,e.x,e.y,e.z,s,a,o,l,g.data)):vt.texSubImage3D(c,r,e.x,e.y,e.z,s,a,o,l,h,g),vt.pixelStorei(3314,u),vt.pixelStorei(32878,d),vt.pixelStorei(3316,p),vt.pixelStorei(3315,m),vt.pixelStorei(32877,f),0===r&&i.generateMipmaps&&vt.generateMipmap(c),J.unbindTexture()},this.initTexture=function(t){Q.setTexture2D(t,0),J.unbindTexture()},this.resetState=function(){b=0,_=0,w=null,J.reset(),gt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}Or.prototype.isWebGLRenderer=!0;(class extends Or{}).prototype.isWebGL1Renderer=!0;class Nr extends Wt{constructor(){super(),this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.autoUpdate=t.autoUpdate,this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),e}}Nr.prototype.isScene=!0;class Fr{constructor(t,e){this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=35044,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=l()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;i<r;i++)this.array[t+i]=e.array[n+i];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=l()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(e,this.stride);return n.setUsage(this.usage),n}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=l()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.prototype.slice.call(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}Fr.prototype.isInterleavedBuffer=!0;const Ur=new V;class kr{constructor(t,e,n,i=!1){this.name="",this.data=t,this.itemSize=e,this.offset=n,this.normalized=!0===i}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,n=this.data.count;e<n;e++)Ur.fromBufferAttribute(this,e),Ur.applyMatrix4(t),this.setXYZ(e,Ur.x,Ur.y,Ur.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)Ur.fromBufferAttribute(this,e),Ur.applyNormalMatrix(t),this.setXYZ(e,Ur.x,Ur.y,Ur.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)Ur.fromBufferAttribute(this,e),Ur.transformDirection(t),this.setXYZ(e,Ur.x,Ur.y,Ur.z);return this}setX(t,e){return this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){return this.data.array[t*this.data.stride+this.offset]}getY(t){return this.data.array[t*this.data.stride+this.offset+1]}getZ(t){return this.data.array[t*this.data.stride+this.offset+2]}getW(t){return this.data.array[t*this.data.stride+this.offset+3]}setXY(t,e,n){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this}setXYZ(t,e,n,i){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this}setXYZW(t,e,n,i,r){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this.data.array[t+3]=r,this}clone(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+e])}return new oe(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new kr(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}kr.prototype.isInterleavedBufferAttribute=!0;class Br extends ie{constructor(t){super(),this.type="SpriteMaterial",this.color=new L(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this}}let zr;Br.prototype.isSpriteMaterial=!0;const Hr=new V,Vr=new V,Gr=new V,Wr=new g,jr=new g,qr=new xt,Xr=new V,$r=new V,Yr=new V,Jr=new g,Kr=new g,Zr=new g;function Qr(t,e,n,i,r,s){Wr.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(jr.x=s*Wr.x-r*Wr.y,jr.y=r*Wr.x+s*Wr.y):jr.copy(Wr),t.copy(e),t.x+=jr.x,t.y+=jr.y,t.applyMatrix4(qr)}(class extends Wt{constructor(t){if(super(),this.type="Sprite",void 0===zr){zr=new ye;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new Fr(t,5);zr.setIndex([0,1,2,0,2,3]),zr.setAttribute("position",new kr(e,3,0,!1)),zr.setAttribute("uv",new kr(e,2,3,!1))}this.geometry=zr,this.material=void 0!==t?t:new Br,this.center=new g(.5,.5)}raycast(t,e){null===t.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Vr.setFromMatrixScale(this.matrixWorld),qr.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),Gr.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&Vr.multiplyScalar(-Gr.z);const n=this.material.rotation;let i,r;0!==n&&(r=Math.cos(n),i=Math.sin(n));const s=this.center;Qr(Xr.set(-.5,-.5,0),Gr,s,Vr,i,r),Qr($r.set(.5,-.5,0),Gr,s,Vr,i,r),Qr(Yr.set(.5,.5,0),Gr,s,Vr,i,r),Jr.set(0,0),Kr.set(1,0),Zr.set(1,1);let a=t.ray.intersectTriangle(Xr,$r,Yr,!1,Hr);if(null===a&&(Qr($r.set(-.5,.5,0),Gr,s,Vr,i,r),Kr.set(0,1),a=t.ray.intersectTriangle(Xr,Yr,$r,!1,Hr),null===a))return;const o=t.ray.origin.distanceTo(Hr);o<t.near||o>t.far||e.push({distance:o,point:Hr.clone(),uv:ee.getUV(Hr,Xr,$r,Yr,Jr,Kr,Zr,new g),face:null,object:this})}copy(t){return super.copy(t),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}).prototype.isSprite=!0;const ts=new V,es=new U,ns=new U,is=new V,rs=new xt;class ss extends Fe{constructor(t,e){super(t,e),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new xt,this.bindMatrixInverse=new xt}copy(t){return super.copy(t),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,this}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new U,e=this.geometry.attributes.skinWeight;for(let n=0,i=e.count;n<i;n++){t.fromBufferAttribute(e,n);const i=1/t.manhattanLength();i!==1/0?t.multiplyScalar(i):t.set(1,0,0,0),e.setXYZW(n,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}boneTransform(t,e){const n=this.skeleton,i=this.geometry;es.fromBufferAttribute(i.attributes.skinIndex,t),ns.fromBufferAttribute(i.attributes.skinWeight,t),ts.copy(e).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const i=ns.getComponent(t);if(0!==i){const r=es.getComponent(t);rs.multiplyMatrices(n.bones[r].matrixWorld,n.boneInverses[r]),e.addScaledVector(is.copy(ts).applyMatrix4(rs),i)}}return e.applyMatrix4(this.bindMatrixInverse)}}ss.prototype.isSkinnedMesh=!0;class as extends Wt{constructor(){super(),this.type="Bone"}}as.prototype.isBone=!0;class os extends F{constructor(t=null,e=1,n=1,i,r,s,a,o,l=1003,h=1003,c,u){super(null,s,a,o,l,h,i,r,c,u),this.image={data:t,width:e,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}os.prototype.isDataTexture=!0;const ls=new xt,hs=new xt;class cs{constructor(t=[],e=[]){this.uuid=l(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new xt)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new xt;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,n=this.boneMatrices,i=this.boneTexture;for(let i=0,r=t.length;i<r;i++){const r=t[i]?t[i].matrixWorld:hs;ls.multiplyMatrices(r,e[i]),ls.toArray(n,16*i)}null!==i&&(i.needsUpdate=!0)}clone(){return new cs(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=p(t),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const n=new os(e,t,t,1023,1015);return n.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=n,this.boneTextureSize=t,this}getBoneByName(t){for(let e=0,n=this.bones.length;e<n;e++){const n=this.bones[e];if(n.name===t)return n}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let n=0,i=t.bones.length;n<i;n++){const i=t.bones[n];let r=e[i];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",i),r=new as),this.bones.push(r),this.boneInverses.push((new xt).fromArray(t.boneInverses[n]))}return this.init(),this}toJSON(){const t={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,n=this.boneInverses;for(let i=0,r=e.length;i<r;i++){const r=e[i];t.bones.push(r.uuid);const s=n[i];t.boneInverses.push(s.toArray())}return t}}class us extends oe{constructor(t,e,n,i=1){"number"==typeof n&&(i=n,n=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.")),super(t,e,n),this.meshPerAttribute=i}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}us.prototype.isInstancedBufferAttribute=!0;const ds=new xt,ps=new xt,ms=[],fs=new Fe;(class extends Fe{constructor(t,e,n){super(t,e),this.instanceMatrix=new us(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.frustumCulled=!1}copy(t){return super.copy(t),this.instanceMatrix.copy(t.instanceMatrix),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,this}getColorAt(t,e){e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){e.fromArray(this.instanceMatrix.array,16*t)}raycast(t,e){const n=this.matrixWorld,i=this.count;if(fs.geometry=this.geometry,fs.material=this.material,void 0!==fs.material)for(let r=0;r<i;r++){this.getMatrixAt(r,ds),ps.multiplyMatrices(n,ds),fs.matrixWorld=ps,fs.raycast(t,ms);for(let t=0,n=ms.length;t<n;t++){const n=ms[t];n.instanceId=r,n.object=this,e.push(n)}ms.length=0}}setColorAt(t,e){null===this.instanceColor&&(this.instanceColor=new us(new Float32Array(3*this.instanceMatrix.count),3)),e.toArray(this.instanceColor.array,3*t)}setMatrixAt(t,e){e.toArray(this.instanceMatrix.array,16*t)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}}).prototype.isInstancedMesh=!0;class gs extends ie{constructor(t){super(),this.type="LineBasicMaterial",this.color=new L(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this}}gs.prototype.isLineBasicMaterial=!0;const vs=new V,ys=new V,xs=new xt,bs=new yt,_s=new ct;class ws extends Wt{constructor(t=new ye,e=new gs){super(),this.type="Line",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t){return super.copy(t),this.material=t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(t.isBufferGeometry)if(null===t.index){const e=t.attributes.position,n=[0];for(let t=1,i=e.count;t<i;t++)vs.fromBufferAttribute(e,t-1),ys.fromBufferAttribute(e,t),n[t]=n[t-1],n[t]+=vs.distanceTo(ys);t.setAttribute("lineDistance",new ce(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else t.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}raycast(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Line.threshold,s=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),_s.copy(n.boundingSphere),_s.applyMatrix4(i),_s.radius+=r,!1===t.ray.intersectsSphere(_s))return;xs.copy(i).invert(),bs.copy(t.ray).applyMatrix4(xs);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=new V,h=new V,c=new V,u=new V,d=this.isLineSegments?2:1;if(n.isBufferGeometry){const i=n.index,r=n.attributes.position;if(null!==i){for(let n=Math.max(0,s.start),a=Math.min(i.count,s.start+s.count)-1;n<a;n+=d){const s=i.getX(n),a=i.getX(n+1);l.fromBufferAttribute(r,s),h.fromBufferAttribute(r,a);if(bs.distanceSqToSegment(l,h,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const d=t.ray.origin.distanceTo(u);d<t.near||d>t.far||e.push({distance:d,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}else{for(let n=Math.max(0,s.start),i=Math.min(r.count,s.start+s.count)-1;n<i;n+=d){l.fromBufferAttribute(r,n),h.fromBufferAttribute(r,n+1);if(bs.distanceSqToSegment(l,h,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const i=t.ray.origin.distanceTo(u);i<t.near||i>t.far||e.push({distance:i,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e<n;e++){const n=t[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=e}}}}else{const e=t.morphTargets;void 0!==e&&e.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}ws.prototype.isLine=!0;const Ms=new V,Ss=new V;class Ts extends ws{constructor(t,e){super(t,e),this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(t.isBufferGeometry)if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t<i;t+=2)Ms.fromBufferAttribute(e,t),Ss.fromBufferAttribute(e,t+1),n[t]=0===t?0:n[t-1],n[t+1]=n[t]+Ms.distanceTo(Ss);t.setAttribute("lineDistance",new ce(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else t.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}}Ts.prototype.isLineSegments=!0;class Es extends ws{constructor(t,e){super(t,e),this.type="LineLoop"}}Es.prototype.isLineLoop=!0;class As extends ie{constructor(t){super(),this.type="PointsMaterial",this.color=new L(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this}}As.prototype.isPointsMaterial=!0;const Rs=new xt,Cs=new yt,Ls=new ct,Ps=new V;class Ds extends Wt{constructor(t=new ye,e=new As){super(),this.type="Points",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t){return super.copy(t),this.material=t.material,this.geometry=t.geometry,this}raycast(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Points.threshold,s=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Ls.copy(n.boundingSphere),Ls.applyMatrix4(i),Ls.radius+=r,!1===t.ray.intersectsSphere(Ls))return;Rs.copy(i).invert(),Cs.copy(t.ray).applyMatrix4(Rs);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a;if(n.isBufferGeometry){const r=n.index,a=n.attributes.position;if(null!==r){for(let n=Math.max(0,s.start),l=Math.min(r.count,s.start+s.count);n<l;n++){const s=r.getX(n);Ps.fromBufferAttribute(a,s),Is(Ps,s,o,i,t,e,this)}}else{for(let n=Math.max(0,s.start),r=Math.min(a.count,s.start+s.count);n<r;n++)Ps.fromBufferAttribute(a,n),Is(Ps,n,o,i,t,e,this)}}else console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e<n;e++){const n=t[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=e}}}}else{const e=t.morphTargets;void 0!==e&&e.length>0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}function Is(t,e,n,i,r,s,a){const o=Cs.distanceSqToPoint(t);if(o<n){const n=new V;Cs.closestPointToPoint(t,n),n.applyMatrix4(i);const l=r.ray.origin.distanceTo(n);if(l<r.near||l>r.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}Ds.prototype.isPoints=!0;(class extends F{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.minFilter=void 0!==s?s:1006,this.magFilter=void 0!==r?r:1006,this.generateMipmaps=!1;const h=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){h.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}).prototype.isVideoTexture=!0;(class extends F{constructor(t,e,n){super({width:t,height:e}),this.format=n,this.magFilter=1003,this.minFilter=1003,this.generateMipmaps=!1,this.needsUpdate=!0}}).prototype.isFramebufferTexture=!0;class Os extends F{constructor(t,e,n,i,r,s,a,o,l,h,c,u){super(null,s,a,o,l,h,i,r,c,u),this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}Os.prototype.isCompressedTexture=!0;(class extends F{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.needsUpdate=!0}}).prototype.isCanvasTexture=!0;class Ns{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const h=n[i];return(i+(s-h)/(n[i+1]-h))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new g:new V);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new V,i=[],r=[],s=[],a=new V,o=new xt;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new V)}r[0]=new V,s[0]=new V;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),u=Math.abs(i[0].y),d=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),u<=l&&(l=u,n.set(0,1,0)),d<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(h(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(h(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Fs extends Ns{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e){const n=e||new g,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=s?0:i),!0!==this.aClockwise||s||(r===i?r=-i:r-=i);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),l=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),n=o-this.aX,i=l-this.aY;o=n*t-i*e+this.aX,l=n*e+i*t+this.aY}return n.set(o,l)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}Fs.prototype.isEllipseCurve=!0;class Us extends Fs{constructor(t,e,n,i,r,s){super(t,e,n,n,i,r,s),this.type="ArcCurve"}}function ks(){let t=0,e=0,n=0,i=0;function r(r,s,a,o){t=r,e=a,n=-3*r+3*s-2*a-o,i=2*r-2*s+a+o}return{initCatmullRom:function(t,e,n,i,s){r(e,n,s*(n-t),s*(i-e))},initNonuniformCatmullRom:function(t,e,n,i,s,a,o){let l=(e-t)/s-(n-t)/(s+a)+(n-e)/a,h=(n-e)/a-(i-e)/(a+o)+(i-n)/o;l*=a,h*=a,r(e,n,l,h)},calc:function(r){const s=r*r;return t+e*r+n*s+i*(s*r)}}}Us.prototype.isArcCurve=!0;const Bs=new V,zs=new ks,Hs=new ks,Vs=new ks;class Gs extends Ns{constructor(t=[],e=!1,n="centripetal",i=.5){super(),this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=n,this.tension=i}getPoint(t,e=new V){const n=e,i=this.points,r=i.length,s=(r-(this.closed?0:1))*t;let a,o,l=Math.floor(s),h=s-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===h&&l===r-1&&(l=r-2,h=1),this.closed||l>0?a=i[(l-1)%r]:(Bs.subVectors(i[0],i[1]).add(i[0]),a=Bs);const c=i[l%r],u=i[(l+1)%r];if(this.closed||l+2<r?o=i[(l+2)%r]:(Bs.subVectors(i[r-1],i[r-2]).add(i[r-1]),o=Bs),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(c),t),n=Math.pow(c.distanceToSquared(u),t),i=Math.pow(u.distanceToSquared(o),t);n<1e-4&&(n=1),e<1e-4&&(e=n),i<1e-4&&(i=n),zs.initNonuniformCatmullRom(a.x,c.x,u.x,o.x,e,n,i),Hs.initNonuniformCatmullRom(a.y,c.y,u.y,o.y,e,n,i),Vs.initNonuniformCatmullRom(a.z,c.z,u.z,o.z,e,n,i)}else"catmullrom"===this.curveType&&(zs.initCatmullRom(a.x,c.x,u.x,o.x,this.tension),Hs.initCatmullRom(a.y,c.y,u.y,o.y,this.tension),Vs.initCatmullRom(a.z,c.z,u.z,o.z,this.tension));return n.set(zs.calc(h),Hs.calc(h),Vs.calc(h)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new V).fromArray(n))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function Ws(t,e,n,i,r){const s=.5*(i-e),a=.5*(r-n),o=t*t;return(2*n-2*i+s+a)*(t*o)+(-3*n+3*i-2*s-a)*o+s*t+n}function js(t,e,n,i){return function(t,e){const n=1-t;return n*n*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,n)+function(t,e){return t*t*e}(t,i)}function qs(t,e,n,i,r){return function(t,e){const n=1-t;return n*n*n*e}(t,e)+function(t,e){const n=1-t;return 3*n*n*t*e}(t,n)+function(t,e){return 3*(1-t)*t*t*e}(t,i)+function(t,e){return t*t*t*e}(t,r)}Gs.prototype.isCatmullRomCurve3=!0;class Xs extends Ns{constructor(t=new g,e=new g,n=new g,i=new g){super(),this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new g){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(qs(t,i.x,r.x,s.x,a.x),qs(t,i.y,r.y,s.y,a.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}Xs.prototype.isCubicBezierCurve=!0;class $s extends Ns{constructor(t=new V,e=new V,n=new V,i=new V){super(),this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new V){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(qs(t,i.x,r.x,s.x,a.x),qs(t,i.y,r.y,s.y,a.y),qs(t,i.z,r.z,s.z,a.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}$s.prototype.isCubicBezierCurve3=!0;class Ys extends Ns{constructor(t=new g,e=new g){super(),this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new g){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e){const n=e||new g;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}Ys.prototype.isLineCurve=!0;class Js extends Ns{constructor(t=new g,e=new g,n=new g){super(),this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new g){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(js(t,i.x,r.x,s.x),js(t,i.y,r.y,s.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}Js.prototype.isQuadraticBezierCurve=!0;class Ks extends Ns{constructor(t=new V,e=new V,n=new V){super(),this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new V){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(js(t,i.x,r.x,s.x),js(t,i.y,r.y,s.y),js(t,i.z,r.z,s.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}Ks.prototype.isQuadraticBezierCurve3=!0;class Zs extends Ns{constructor(t=[]){super(),this.type="SplineCurve",this.points=t}getPoint(t,e=new g){const n=e,i=this.points,r=(i.length-1)*t,s=Math.floor(r),a=r-s,o=i[0===s?s:s-1],l=i[s],h=i[s>i.length-2?i.length-1:s+1],c=i[s>i.length-3?i.length-1:s+2];return n.set(Ws(a,o.x,l.x,h.x,c.x),Ws(a,o.y,l.y,h.y,c.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new g).fromArray(n))}return this}}Zs.prototype.isSplineCurve=!0;var Qs=Object.freeze({__proto__:null,ArcCurve:Us,CatmullRomCurve3:Gs,CubicBezierCurve:Xs,CubicBezierCurve3:$s,EllipseCurve:Fs,LineCurve:Ys,LineCurve3:class extends Ns{constructor(t=new V,e=new V){super(),this.type="LineCurve3",this.isLineCurve3=!0,this.v1=t,this.v2=e}getPoint(t,e=new V){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}},QuadraticBezierCurve:Js,QuadraticBezierCurve3:Ks,SplineCurve:Zs});class ta extends Ns{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);t.equals(e)||this.curves.push(new Ys(e,t))}getPoint(t,e){const n=t*this.getLength(),i=this.getCurveLengths();let r=0;for(;r<i.length;){if(i[r]>=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n<i;n++)e+=this.curves[n].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let n;for(let i=0,r=this.curves;i<r.length;i++){const s=r[i],a=s.isEllipseCurve?2*t:s.isLineCurve||s.isLineCurve3?1:s.isSplineCurve?t*s.points.length:t,o=s.getPoints(a);for(let t=0;t<o.length;t++){const i=o[t];n&&n.equals(i)||(e.push(i),n=i)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e<n;e++){const n=t.curves[e];this.curves.push(n.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,n=this.curves.length;e<n;e++){const n=this.curves[e];t.curves.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,n=t.curves.length;e<n;e++){const n=t.curves[e];this.curves.push((new Qs[n.type]).fromJSON(n))}return this}}class ea extends ta{constructor(t){super(),this.type="Path",this.currentPoint=new g,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,n=t.length;e<n;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const n=new Ys(this.currentPoint.clone(),new g(t,e));return this.curves.push(n),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,n,i){const r=new Js(this.currentPoint.clone(),new g(t,e),new g(n,i));return this.curves.push(r),this.currentPoint.set(n,i),this}bezierCurveTo(t,e,n,i,r,s){const a=new Xs(this.currentPoint.clone(),new g(t,e),new g(n,i),new g(r,s));return this.curves.push(a),this.currentPoint.set(r,s),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),n=new Zs(e);return this.curves.push(n),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,n,i,r,s){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,n,i,r,s),this}absarc(t,e,n,i,r,s){return this.absellipse(t,e,n,n,i,r,s),this}ellipse(t,e,n,i,r,s,a,o){const l=this.currentPoint.x,h=this.currentPoint.y;return this.absellipse(t+l,e+h,n,i,r,s,a,o),this}absellipse(t,e,n,i,r,s,a,o){const l=new Fs(t,e,n,i,r,s,a,o);if(this.curves.length>0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const h=l.getPoint(1);return this.currentPoint.copy(h),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}new V,new V,new V,new ee;class na extends ea{constructor(t){super(t),this.uuid=l(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let n=0,i=this.holes.length;n<i;n++)e[n]=this.holes[n].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,n=this.holes.length;e<n;e++){const n=this.holes[e];t.holes.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push((new ea).fromJSON(n))}return this}}const ia=function(t,e,n=2){const i=e&&e.length,r=i?e[0]*n:t.length;let s=ra(t,0,r,n,!0);const a=[];if(!s||s.next===s.prev)return a;let o,l,h,c,u,d,p;if(i&&(s=function(t,e,n,i){const r=[];let s,a,o,l,h;for(s=0,a=e.length;s<a;s++)o=e[s]*i,l=s<a-1?e[s+1]*i:t.length,h=ra(t,o,l,i,!1),h===h.next&&(h.steiner=!0),r.push(fa(h));for(r.sort(ua),s=0;s<r.length;s++)da(r[s],n),n=sa(n,n.next);return n}(t,e,s,n)),t.length>80*n){o=h=t[0],l=c=t[1];for(let e=n;e<r;e+=n)u=t[e],d=t[e+1],u<o&&(o=u),d<l&&(l=d),u>h&&(h=u),d>c&&(c=d);p=Math.max(h-o,c-l),p=0!==p?1/p:0}return aa(s,a,n,o,l,p),a};function ra(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let 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function(t,e,n){if(n.shapes=[],Array.isArray(t))for(let e=0,i=t.length;e<i;e++){const i=t[e];n.shapes.push(i.uuid)}else n.shapes.push(t.uuid);void 0!==e.extrudePath&&(n.options.extrudePath=e.extrudePath.toJSON());return n}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const n=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];n.push(r)}const i=t.options.extrudePath;return void 0!==i&&(t.options.extrudePath=(new Qs[i.type]).fromJSON(i)),new Pa(n,t.options)}}const Da={generateTopUV:function(t,e,n,i,r){const s=e[3*n],a=e[3*n+1],o=e[3*i],l=e[3*i+1],h=e[3*r],c=e[3*r+1];return[new g(s,a),new g(o,l),new g(h,c)]},generateSideWallUV:function(t,e,n,i,r,s){const a=e[3*n],o=e[3*n+1],l=e[3*n+2],h=e[3*i],c=e[3*i+1],u=e[3*i+2],d=e[3*r],p=e[3*r+1],m=e[3*r+2],f=e[3*s],v=e[3*s+1],y=e[3*s+2];return Math.abs(o-c)<Math.abs(a-h)?[new g(a,1-l),new g(h,1-u),new g(d,1-m),new g(f,1-y)]:[new g(o,1-l),new g(c,1-u),new g(p,1-m),new g(v,1-y)]}};class Ia extends ye{constructor(t=new na([new g(0,.5),new g(-.5,-.5),new g(.5,-.5)]),e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const n=[],i=[],r=[],s=[];let a=0,o=0;if(!1===Array.isArray(t))l(t);else for(let e=0;e<t.length;e++)l(t[e]),this.addGroup(a,o,e),a+=o,o=0;function l(t){const a=i.length/3,l=t.extractPoints(e);let h=l.shape;const c=l.holes;!1===Ra.isClockWise(h)&&(h=h.reverse());for(let t=0,e=c.length;t<e;t++){const e=c[t];!0===Ra.isClockWise(e)&&(c[t]=e.reverse())}const u=Ra.triangulateShape(h,c);for(let t=0,e=c.length;t<e;t++){const e=c[t];h=h.concat(e)}for(let t=0,e=h.length;t<e;t++){const e=h[t];i.push(e.x,e.y,0),r.push(0,0,1),s.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],i=e[0]+a,r=e[1]+a,s=e[2]+a;n.push(i,r,s),o+=3}}this.setIndex(n),this.setAttribute("position",new ce(i,3)),this.setAttribute("normal",new ce(r,3)),this.setAttribute("uv",new ce(s,2))}toJSON(){const t=super.toJSON();return function(t,e){if(e.shapes=[],Array.isArray(t))for(let n=0,i=t.length;n<i;n++){const i=t[n];e.shapes.push(i.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const n=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];n.push(r)}return new Ia(n,t.curveSegments)}}class Oa extends ie{constructor(t){super(),this.type="ShadowMaterial",this.color=new L(0),this.transparent=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this}}Oa.prototype.isShadowMaterial=!0;class Na extends Ve{constructor(t){super(t),this.type="RawShaderMaterial"}}Na.prototype.isRawShaderMaterial=!0;class Fa extends ie{constructor(t){super(),this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new L(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new L(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new g(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this}}Fa.prototype.isMeshStandardMaterial=!0;class Ua extends Fa{constructor(t){super(),this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new g(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return h(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.sheenColor=new L(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=0,this.attenuationColor=new L(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new L(1,1,1),this.specularColorMap=null,this._sheen=0,this._clearcoat=0,this._transmission=0,this.setValues(t)}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.ior=t.ior,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}Ua.prototype.isMeshPhysicalMaterial=!0;class ka extends ie{constructor(t){super(),this.type="MeshPhongMaterial",this.color=new L(16777215),this.specular=new L(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new L(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new g(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this}}ka.prototype.isMeshPhongMaterial=!0;class Ba extends ie{constructor(t){super(),this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new L(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new L(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new g(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this}}Ba.prototype.isMeshToonMaterial=!0;class za extends ie{constructor(t){super(),this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new g(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}za.prototype.isMeshNormalMaterial=!0;class Ha extends ie{constructor(t){super(),this.type="MeshLambertMaterial",this.color=new L(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new L(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this}}Ha.prototype.isMeshLambertMaterial=!0;class Va extends ie{constructor(t){super(),this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new L(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new g(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this}}Va.prototype.isMeshMatcapMaterial=!0;class Ga extends gs{constructor(t){super(),this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}Ga.prototype.isLineDashedMaterial=!0;const Wa={ShadowMaterial:Oa,SpriteMaterial:Br,RawShaderMaterial:Na,ShaderMaterial:Ve,PointsMaterial:As,MeshPhysicalMaterial:Ua,MeshStandardMaterial:Fa,MeshPhongMaterial:ka,MeshToonMaterial:Ba,MeshNormalMaterial:za,MeshLambertMaterial:Ha,MeshDepthMaterial:_r,MeshDistanceMaterial:wr,MeshBasicMaterial:re,MeshMatcapMaterial:Va,LineDashedMaterial:Ga,LineBasicMaterial:gs,Material:ie};ie.fromType=function(t){return new Wa[t]};const ja={arraySlice:function(t,e,n){return ja.isTypedArray(t)?new t.constructor(t.subarray(e,void 0!==n?n:t.length)):t.slice(e,n)},convertArray:function(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)},isTypedArray:function(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)},getKeyframeOrder:function(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n},sortedArray:function(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r},flattenJSON:function(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)},subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t<s.tracks.length;++t){const e=s.tracks[t],o=e.getValueSize(),l=[],h=[];for(let t=0;t<e.times.length;++t){const s=e.times[t]*r;if(!(s<n||s>=i)){l.push(e.times[t]);for(let n=0;n<o;++n)h.push(e.values[t*o+n])}}0!==l.length&&(e.times=ja.convertArray(l,e.times.constructor),e.values=ja.convertArray(h,e.values.constructor),a.push(e))}s.tracks=a;let o=1/0;for(let t=0;t<s.tracks.length;++t)o>s.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t<s.tracks.length;++t)s.tracks[t].shift(-1*o);return s.resetDuration(),s},makeClipAdditive:function(t,e=0,n=t,i=30){i<=0&&(i=30);const r=n.tracks.length,s=e/i;for(let e=0;e<r;++e){const i=n.tracks[e],r=i.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find((function(t){return t.name===i.name&&t.ValueTypeName===r}));if(void 0===a)continue;let o=0;const l=i.getValueSize();i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=l/3);let h=0;const c=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(h=c/3);const u=i.times.length-1;let d;if(s<=i.times[0]){const t=o,e=l-o;d=ja.arraySlice(i.values,t,e)}else if(s>=i.times[u]){const t=u*l+o,e=t+l-o;d=ja.arraySlice(i.values,t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=ja.arraySlice(t.resultBuffer,e,n)}if("quaternion"===r){(new H).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t<p;++t){const e=t*c+h;if("quaternion"===r)H.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=c-2*h;for(let n=0;n<t;++n)a.values[e+n]-=d[n]}}}return t.blendMode=2501,t}};class qa{constructor(t,e,n,i){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==i?i:new e.constructor(n),this.sampleValues=e,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let n=this._cachedIndex,i=e[n],r=e[n-1];t:{e:{let s;n:{i:if(!(t<i)){for(let s=n+2;;){if(void 0===i){if(t<r)break i;return n=e.length,this._cachedIndex=n,this.afterEnd_(n-1,t,r)}if(n===s)break;if(r=i,i=e[++n],t<i)break e}s=e.length;break n}if(t>=r)break t;{const a=e[1];t<a&&(n=2,r=a);for(let s=n-2;;){if(void 0===r)return this._cachedIndex=0,this.beforeStart_(0,t,i);if(n===s)break;if(i=r,r=e[--n-1],t>=r)break e}s=n,n=0}}for(;n<s;){const i=n+s>>>1;t<e[i]?s=i:n=i+1}if(i=e[n],r=e[n-1],void 0===r)return this._cachedIndex=0,this.beforeStart_(0,t,i);if(void 0===i)return n=e.length,this._cachedIndex=n,this.afterEnd_(n-1,r,t)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,t,i)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=t*i;for(let t=0;t!==i;++t)e[t]=n[r+t];return e}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}qa.prototype.beforeStart_=qa.prototype.copySampleValue_,qa.prototype.afterEnd_=qa.prototype.copySampleValue_;class Xa extends qa{constructor(t,e,n,i){super(t,e,n,i),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:2400,endingEnd:2400}}intervalChanged_(t,e,n){const i=this.parameterPositions;let r=t-2,s=t+1,a=i[r],o=i[s];if(void 0===a)switch(this.getSettings_().endingStart){case 2401:r=t,a=2*e-n;break;case 2402:r=i.length-2,a=e+i[r]-i[r+1];break;default:r=t,a=n}if(void 0===o)switch(this.getSettings_().endingEnd){case 2401:s=t,o=2*n-e;break;case 2402:s=1,o=n+i[1]-i[0];break;default:s=t-1,o=e}const l=.5*(n-e),h=this.valueSize;this._weightPrev=l/(e-a),this._weightNext=l/(o-n),this._offsetPrev=r*h,this._offsetNext=s*h}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,h=this._offsetPrev,c=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(n-e)/(i-e),m=p*p,f=m*p,g=-u*f+2*u*m-u*p,v=(1+u)*f+(-1.5-2*u)*m+(-.5+u)*p+1,y=(-1-d)*f+(1.5+d)*m+.5*p,x=d*f-d*m;for(let t=0;t!==a;++t)r[t]=g*s[h+t]+v*s[l+t]+y*s[o+t]+x*s[c+t];return r}}class $a extends qa{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,h=(n-e)/(i-e),c=1-h;for(let t=0;t!==a;++t)r[t]=s[l+t]*c+s[o+t]*h;return r}}class Ya extends qa{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t){return this.copySampleValue_(t-1)}}class Ja{constructor(t,e,n,i){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=ja.convertArray(e,this.TimeBufferType),this.values=ja.convertArray(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let n;if(e.toJSON!==this.toJSON)n=e.toJSON(t);else{n={name:t.name,times:ja.convertArray(t.times,Array),values:ja.convertArray(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(n.interpolation=e)}return n.type=t.ValueTypeName,n}InterpolantFactoryMethodDiscrete(t){return new Ya(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new $a(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new Xa(this.times,this.values,this.getValueSize(),t)}setInterpolation(t){let e;switch(t){case 2300:e=this.InterpolantFactoryMethodDiscrete;break;case 2301:e=this.InterpolantFactoryMethodLinear;break;case 2302:e=this.InterpolantFactoryMethodSmooth}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return 2300;case this.InterpolantFactoryMethodLinear:return 2301;case this.InterpolantFactoryMethodSmooth:return 2302}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]*=t}return this}trim(t,e){const n=this.times,i=n.length;let r=0,s=i-1;for(;r!==i&&n[r]<t;)++r;for(;-1!==s&&n[s]>e;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=ja.arraySlice(n,r,s),this.values=ja.arraySlice(this.values,r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&ja.isTypedArray(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=ja.arraySlice(this.times),e=ja.arraySlice(this.values),n=this.getValueSize(),i=2302===this.getInterpolation(),r=t.length-1;let s=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(i)r=!0;else{const t=a*n,i=t-n,s=t+n;for(let a=0;a!==n;++a){const n=e[t+a];if(n!==e[i+a]||n!==e[s+a]){r=!0;break}}}if(r){if(a!==s){t[s]=t[a];const i=a*n,r=s*n;for(let t=0;t!==n;++t)e[r+t]=e[i+t]}++s}}if(r>0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=ja.arraySlice(t,0,s),this.values=ja.arraySlice(e,0,s*n)):(this.times=t,this.values=e),this}clone(){const t=ja.arraySlice(this.times,0),e=ja.arraySlice(this.values,0),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}Ja.prototype.TimeBufferType=Float32Array,Ja.prototype.ValueBufferType=Float32Array,Ja.prototype.DefaultInterpolation=2301;class Ka extends Ja{}Ka.prototype.ValueTypeName="bool",Ka.prototype.ValueBufferType=Array,Ka.prototype.DefaultInterpolation=2300,Ka.prototype.InterpolantFactoryMethodLinear=void 0,Ka.prototype.InterpolantFactoryMethodSmooth=void 0;class Za extends Ja{}Za.prototype.ValueTypeName="color";class Qa extends Ja{}Qa.prototype.ValueTypeName="number";class to extends qa{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)H.slerpFlat(r,0,s,l-a,s,l,o);return r}}class eo extends Ja{InterpolantFactoryMethodLinear(t){return new to(this.times,this.values,this.getValueSize(),t)}}eo.prototype.ValueTypeName="quaternion",eo.prototype.DefaultInterpolation=2301,eo.prototype.InterpolantFactoryMethodSmooth=void 0;class no extends Ja{}no.prototype.ValueTypeName="string",no.prototype.ValueBufferType=Array,no.prototype.DefaultInterpolation=2300,no.prototype.InterpolantFactoryMethodLinear=void 0,no.prototype.InterpolantFactoryMethodSmooth=void 0;class io extends Ja{}io.prototype.ValueTypeName="vector";class ro{constructor(t,e=-1,n,i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=l(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(so(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(Ja.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const l=ja.getKeyframeOrder(a);a=ja.sortedArray(a,1,l),o=ja.sortedArray(o,1,l),i||0!==a[0]||(a.push(r),o.push(o[0])),s.push(new Qa(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/n))}return new this(t,-1,s)}static findByName(t,e){let n=t;if(!Array.isArray(t)){const e=t;n=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<n.length;t++)if(n[t].name===e)return n[t];return null}static CreateClipsFromMorphTargetSequences(t,e,n){const i={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,n=t.length;e<n;e++){const n=t[e],s=n.name.match(r);if(s&&s.length>1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];ja.flattenJSON(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t<l.length;t++){const r=l[t].keys;if(r&&0!==r.length)if(r[0].morphTargets){const t={};let e;for(e=0;e<r.length;e++)if(r[e].morphTargets)for(let n=0;n<r[e].morphTargets.length;n++)t[r[e].morphTargets[n]]=-1;for(const n in t){const t=[],s=[];for(let i=0;i!==r[e].morphTargets.length;++i){const i=r[e];t.push(i.time),s.push(i.morphTarget===n?1:0)}i.push(new Qa(".morphTargetInfluence["+n+"]",t,s))}o=t.length*s}else{const s=".bones["+e[t].name+"]";n(io,s+".position",r,"pos",i),n(eo,s+".quaternion",r,"rot",i),n(io,s+".scale",r,"scl",i)}}if(0===i.length)return null;return new this(r,o,i,a)}resetDuration(){let t=0;for(let e=0,n=this.tracks.length;e!==n;++e){const n=this.tracks[e];t=Math.max(t,n.times[n.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());return new this.constructor(this.name,this.duration,t,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function so(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return Qa;case"vector":case"vector2":case"vector3":case"vector4":return io;case"color":return Za;case"quaternion":return eo;case"bool":case"boolean":return Ka;case"string":return no}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],n=[];ja.flattenJSON(t.keys,e,n,"value"),t.times=e,t.values=n}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const ao={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};const oo=new class{constructor(t,e,n){const i=this;let r,s=!1,a=0,o=0;const l=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=n,this.itemStart=function(t){o++,!1===s&&void 0!==i.onStart&&i.onStart(t,a,o),s=!0},this.itemEnd=function(t){a++,void 0!==i.onProgress&&i.onProgress(t,a,o),a===o&&(s=!1,void 0!==i.onLoad&&i.onLoad())},this.itemError=function(t){void 0!==i.onError&&i.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return l.push(t,e),this},this.removeHandler=function(t){const 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${e.statusText}`)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{ao.add(t,e);const n=ho[t];delete ho[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onLoad&&i.onLoad(e)}})).catch((e=>{const n=ho[t];if(void 0===n)throw this.manager.itemError(t),e;delete ho[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onError&&i.onError(e)}this.manager.itemError(t)})).finally((()=>{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class uo extends lo{constructor(t){super(t)}load(t,e,n,i){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=ao.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a=x("img");function o(){h(),ao.add(t,this),e&&e(this),r.manager.itemEnd(t)}function l(e){h(),i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)}function h(){a.removeEventListener("load",o,!1),a.removeEventListener("error",l,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",l,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),r.manager.itemStart(t),a.src=t,a}}class po extends lo{constructor(t){super(t)}load(t,e,n,i){const r=new qe,s=new uo(this.manager);s.setCrossOrigin(this.crossOrigin),s.setPath(this.path);let a=0;function o(n){s.load(t[n],(function(t){r.images[n]=t,a++,6===a&&(r.needsUpdate=!0,e&&e(r))}),void 0,i)}for(let e=0;e<t.length;++e)o(e);return r}}class mo extends lo{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new os,a=new co(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,(function(t){const n=r.parse(t);n&&(void 0!==n.image?s.image=n.image:void 0!==n.data&&(s.image.width=n.width,s.image.height=n.height,s.image.data=n.data),s.wrapS=void 0!==n.wrapS?n.wrapS:1001,s.wrapT=void 0!==n.wrapT?n.wrapT:1001,s.magFilter=void 0!==n.magFilter?n.magFilter:1006,s.minFilter=void 0!==n.minFilter?n.minFilter:1006,s.anisotropy=void 0!==n.anisotropy?n.anisotropy:1,void 0!==n.encoding&&(s.encoding=n.encoding),void 0!==n.flipY&&(s.flipY=n.flipY),void 0!==n.format&&(s.format=n.format),void 0!==n.type&&(s.type=n.type),void 0!==n.mipmaps&&(s.mipmaps=n.mipmaps,s.minFilter=1008),1===n.mipmapCount&&(s.minFilter=1006),void 0!==n.generateMipmaps&&(s.generateMipmaps=n.generateMipmaps),s.needsUpdate=!0,e&&e(s,n))}),n,i),s}}class fo extends lo{constructor(t){super(t)}load(t,e,n,i){const r=new F,s=new uo(this.manager);return s.setCrossOrigin(this.crossOrigin),s.setPath(this.path),s.load(t,(function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)}),n,i),r}}class go extends Wt{constructor(t,e=1){super(),this.type="Light",this.color=new L(t),this.intensity=e}dispose(){}copy(t){return super.copy(t),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),void 0!==this.shadow&&(e.object.shadow=this.shadow.toJSON()),e}}go.prototype.isLight=!0;(class extends go{constructor(t,e,n){super(t,n),this.type="HemisphereLight",this.position.copy(Wt.DefaultUp),this.updateMatrix(),this.groundColor=new L(e)}copy(t){return go.prototype.copy.call(this,t),this.groundColor.copy(t.groundColor),this}}).prototype.isHemisphereLight=!0;const vo=new xt,yo=new V,xo=new V;class bo{constructor(t){this.camera=t,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new g(512,512),this.map=null,this.mapPass=null,this.matrix=new xt,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new tn,this._frameExtents=new g(1,1),this._viewportCount=1,this._viewports=[new U(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,n=this.matrix;yo.setFromMatrixPosition(t.matrixWorld),e.position.copy(yo),xo.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(xo),e.updateMatrixWorld(),vo.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(vo),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(e.projectionMatrix),n.multiply(e.matrixWorldInverse)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.bias=t.bias,this.radius=t.radius,this.mapSize.copy(t.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}class _o extends bo{constructor(){super(new We(50,1,.5,500)),this.focus=1}updateMatrices(t){const e=this.camera,n=2*o*t.angle*this.focus,i=this.mapSize.width/this.mapSize.height,r=t.distance||e.far;n===e.fov&&i===e.aspect&&r===e.far||(e.fov=n,e.aspect=i,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}_o.prototype.isSpotLightShadow=!0;class wo extends go{constructor(t,e,n=0,i=Math.PI/3,r=0,s=1){super(t,e),this.type="SpotLight",this.position.copy(Wt.DefaultUp),this.updateMatrix(),this.target=new Wt,this.distance=n,this.angle=i,this.penumbra=r,this.decay=s,this.shadow=new _o}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}wo.prototype.isSpotLight=!0;const Mo=new xt,So=new V,To=new V;class Eo extends bo{constructor(){super(new We(90,1,.5,500)),this._frameExtents=new g(4,2),this._viewportCount=6,this._viewports=[new U(2,1,1,1),new U(0,1,1,1),new U(3,1,1,1),new U(1,1,1,1),new U(3,0,1,1),new U(1,0,1,1)],this._cubeDirections=[new V(1,0,0),new V(-1,0,0),new V(0,0,1),new V(0,0,-1),new V(0,1,0),new V(0,-1,0)],this._cubeUps=[new V(0,1,0),new V(0,1,0),new V(0,1,0),new V(0,1,0),new V(0,0,1),new V(0,0,-1)]}updateMatrices(t,e=0){const n=this.camera,i=this.matrix,r=t.distance||n.far;r!==n.far&&(n.far=r,n.updateProjectionMatrix()),So.setFromMatrixPosition(t.matrixWorld),n.position.copy(So),To.copy(n.position),To.add(this._cubeDirections[e]),n.up.copy(this._cubeUps[e]),n.lookAt(To),n.updateMatrixWorld(),i.makeTranslation(-So.x,-So.y,-So.z),Mo.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Mo)}}Eo.prototype.isPointLightShadow=!0;class Ao extends go{constructor(t,e,n=0,i=1){super(t,e),this.type="PointLight",this.distance=n,this.decay=i,this.shadow=new Eo}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}}Ao.prototype.isPointLight=!0;class Ro extends bo{constructor(){super(new mn(-5,5,5,-5,.5,500))}}Ro.prototype.isDirectionalLightShadow=!0;class Co extends go{constructor(t,e){super(t,e),this.type="DirectionalLight",this.position.copy(Wt.DefaultUp),this.updateMatrix(),this.target=new Wt,this.shadow=new Ro}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}Co.prototype.isDirectionalLight=!0;(class extends go{constructor(t,e){super(t,e),this.type="AmbientLight"}}).prototype.isAmbientLight=!0;(class extends go{constructor(t,e,n=10,i=10){super(t,e),this.type="RectAreaLight",this.width=n,this.height=i}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}).prototype.isRectAreaLight=!0;class Lo{constructor(){this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new V)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.282095),e.addScaledVector(s[1],.488603*i),e.addScaledVector(s[2],.488603*r),e.addScaledVector(s[3],.488603*n),e.addScaledVector(s[4],n*i*1.092548),e.addScaledVector(s[5],i*r*1.092548),e.addScaledVector(s[6],.315392*(3*r*r-1)),e.addScaledVector(s[7],n*r*1.092548),e.addScaledVector(s[8],.546274*(n*n-i*i)),e}getIrradianceAt(t,e){const n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.886227),e.addScaledVector(s[1],1.023328*i),e.addScaledVector(s[2],1.023328*r),e.addScaledVector(s[3],1.023328*n),e.addScaledVector(s[4],.858086*n*i),e.addScaledVector(s[5],.858086*i*r),e.addScaledVector(s[6],.743125*r*r-.247708),e.addScaledVector(s[7],.858086*n*r),e.addScaledVector(s[8],.429043*(n*n-i*i)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let n=0;n<9;n++)this.coefficients[n].addScaledVector(t.coefficients[n],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let n=0;n<9;n++)this.coefficients[n].lerp(t.coefficients[n],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].fromArray(t,e+3*i);return this}toArray(t=[],e=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].toArray(t,e+3*i);return t}static getBasisAt(t,e){const n=t.x,i=t.y,r=t.z;e[0]=.282095,e[1]=.488603*i,e[2]=.488603*r,e[3]=.488603*n,e[4]=1.092548*n*i,e[5]=1.092548*i*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*n*r,e[8]=.546274*(n*n-i*i)}}Lo.prototype.isSphericalHarmonics3=!0;class Po extends go{constructor(t=new Lo,e=1){super(void 0,e),this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}fromJSON(t){return this.intensity=t.intensity,this.sh.fromArray(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}Po.prototype.isLightProbe=!0;class Do{static decodeText(t){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n<i;n++)e+=String.fromCharCode(t[n]);try{return decodeURIComponent(escape(e))}catch(t){return e}}static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}(class extends ye{constructor(){super(),this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}clone(){return(new this.constructor).copy(this)}toJSON(){const t=super.toJSON(this);return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}).prototype.isInstancedBufferGeometry=!0;class Io extends lo{constructor(t){super(t),"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(t){return this.options=t,this}load(t,e,n,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=ao.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){ao.add(t,n),e&&e(n),r.manager.itemEnd(t)})).catch((function(e){i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)})),r.manager.itemStart(t)}}let Oo;Io.prototype.isImageBitmapLoader=!0;const No=function(){return void 0===Oo&&(Oo=new(window.AudioContext||window.webkitAudioContext)),Oo};class Fo extends lo{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new co(this.manager);s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{const t=n.slice(0);No().decodeAudioData(t,(function(t){e(t)}))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}}(class extends Po{constructor(t,e,n=1){super(void 0,n);const i=(new L).set(t),r=(new L).set(e),s=new V(i.r,i.g,i.b),a=new V(r.r,r.g,r.b),o=Math.sqrt(Math.PI),l=o*Math.sqrt(.75);this.sh.coefficients[0].copy(s).add(a).multiplyScalar(o),this.sh.coefficients[1].copy(s).sub(a).multiplyScalar(l)}}).prototype.isHemisphereLightProbe=!0;(class extends Po{constructor(t,e=1){super(void 0,e);const n=(new L).set(t);this.sh.coefficients[0].set(n.r,n.g,n.b).multiplyScalar(2*Math.sqrt(Math.PI))}}).prototype.isAmbientLightProbe=!0;class Uo{constructor(t,e,n){let i,r,s;switch(this.binding=t,this.valueSize=n,e){case"quaternion":i=this._slerp,r=this._slerpAdditive,s=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*n),this._workIndex=5;break;case"string":case"bool":i=this._select,r=this._select,s=this._setAdditiveIdentityOther,this.buffer=new Array(5*n);break;default:i=this._lerp,r=this._lerpAdditive,s=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*n)}this._mixBufferRegion=i,this._mixBufferRegionAdditive=r,this._setIdentity=s,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const n=this.buffer,i=this.valueSize,r=t*i+i;let s=this.cumulativeWeight;if(0===s){for(let t=0;t!==i;++t)n[r+t]=n[t];s=e}else{s+=e;const t=e/s;this._mixBufferRegion(n,r,0,t,i)}this.cumulativeWeight=s}accumulateAdditive(t){const e=this.buffer,n=this.valueSize,i=n*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,i,0,t,n),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,n=this.buffer,i=t*e+e,r=this.cumulativeWeight,s=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(n,i,t,1-r,e)}s>0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n<e;n++)this.buffer[n]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let n=0;n<this.valueSize;n++)this.buffer[e+n]=this.buffer[t+n]}_select(t,e,n,i,r){if(i>=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){H.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;H.multiplyQuaternionsFlat(t,s,t,e,t,n),H.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const ko=new RegExp("[\\[\\]\\.:\\/]","g"),Bo="[^"+"\\[\\]\\.:\\/".replace("\\.","")+"]",zo=/((?:WC+[\/:])*)/.source.replace("WC","[^\\[\\]\\.:\\/]"),Ho=/(WCOD+)?/.source.replace("WCOD",Bo),Vo=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC","[^\\[\\]\\.:\\/]"),Go=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC","[^\\[\\]\\.:\\/]"),Wo=new RegExp("^"+zo+Ho+Vo+Go+"$"),jo=["material","materials","bones"];class qo{constructor(t,e,n){this.path=e,this.parsedPath=n||qo.parseTrackName(e),this.node=qo.findNode(t,this.parsedPath.nodeName)||t,this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new qo.Composite(t,e,n):new qo(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(ko,"")}static parseTrackName(t){const e=Wo.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==jo.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i<t.length;i++){const r=t[i];if(r.name===e||r.uuid===e)return r;const s=n(r.children);if(s)return s}return null},i=n(t.children);if(i)return i}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)t[e++]=n[i]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,n=e.objectName,i=e.propertyName;let r=e.propertyIndex;if(t||(t=qo.findNode(this.rootNode,e.nodeName)||this.rootNode,this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.");if(n){let i=e.objectIndex;switch(n){case"materials":if(!t.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(let e=0;e<t.length;e++)if(t[e].name===i){i=e;break}break;default:if(void 0===t[n])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[n]}if(void 0!==i){if(void 0===t[i])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[i]}}const s=t[i];if(void 0===s){const n=e.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+n+"."+i+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,void 0!==t.needsUpdate?a=this.Versioning.NeedsUpdate:void 0!==t.matrixWorldNeedsUpdate&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===i){if(!t.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.isBufferGeometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.",this);if(!t.geometry.morphAttributes)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=s,this.propertyIndex=r}else void 0!==s.fromArray&&void 0!==s.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=s):Array.isArray(s)?(o=this.BindingType.EntireArray,this.resolvedProperty=s):this.propertyName=i;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}qo.Composite=class{constructor(t,e,n){const i=n||qo.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,i)}getValue(t,e){this.bind();const n=this._targetGroup.nCachedObjects_,i=this._bindings[n];void 0!==i&&i.getValue(t,e)}setValue(t,e){const n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,r=n.length;i!==r;++i)n[i].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].unbind()}},qo.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},qo.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},qo.prototype.GetterByBindingType=[qo.prototype._getValue_direct,qo.prototype._getValue_array,qo.prototype._getValue_arrayElement,qo.prototype._getValue_toArray],qo.prototype.SetterByBindingTypeAndVersioning=[[qo.prototype._setValue_direct,qo.prototype._setValue_direct_setNeedsUpdate,qo.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[qo.prototype._setValue_array,qo.prototype._setValue_array_setNeedsUpdate,qo.prototype._setValue_array_setMatrixWorldNeedsUpdate],[qo.prototype._setValue_arrayElement,qo.prototype._setValue_arrayElement_setNeedsUpdate,qo.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[qo.prototype._setValue_fromArray,qo.prototype._setValue_fromArray_setNeedsUpdate,qo.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class Xo{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:2400,endingEnd:2400};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;if(i<0||0===n)return;this._startTime=null,e=n*i}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(2501===this.blendMode)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=2401,i.endingEnd=2401):(i.endingStart=t?this.zeroSlopeAtStart?2401:2400:2402,i.endingEnd=e?this.zeroSlopeAtEnd?2401:2400:2402)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}class $o extends i{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let h=l[o];void 0===h&&(h={},l[o]=h);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let c=h[l];if(void 0!==c)++c.referenceCount,s[t]=c;else{if(c=s[t],void 0!==c){null===c._cacheIndex&&(++c.referenceCount,this._addInactiveBinding(c,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;c=new Uo(qo.create(n,l,i),r.ValueTypeName,r.getValueSize()),++c.referenceCount,this._addInactiveBinding(c,o,l),s[t]=c}a[t].resultBuffer=c.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}_addInactiveAction(t,e,n){const i=this._actions,r=this._actionsByClip;let s=r[e];if(void 0===s)s={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=s;else{const e=s.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=i.length,i.push(t),s.actionByRoot[n]=t}_removeInactiveAction(t){const e=this._actions,n=e[e.length-1],i=t._cacheIndex;n._cacheIndex=i,e[i]=n,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,s=this._actionsByClip,a=s[r],o=a.knownActions,l=o[o.length-1],h=t._byClipCacheIndex;l._byClipCacheIndex=h,o[h]=l,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete s[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.referenceCount&&this._removeInactiveBinding(n)}}_lendAction(t){const e=this._actions,n=t._cacheIndex,i=this._nActiveActions++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_takeBackAction(t){const e=this._actions,n=t._cacheIndex,i=--this._nActiveActions,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_addInactiveBinding(t,e,n){const i=this._bindingsByRootAndName,r=this._bindings;let s=i[e];void 0===s&&(s={},i[e]=s),s[n]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,n=t.binding,i=n.rootNode.uuid,r=n.path,s=this._bindingsByRootAndName,a=s[i],o=e[e.length-1],l=t._cacheIndex;o._cacheIndex=l,e[l]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete s[i]}_lendBinding(t){const e=this._bindings,n=t._cacheIndex,i=this._nActiveBindings++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_takeBackBinding(t){const e=this._bindings,n=t._cacheIndex,i=--this._nActiveBindings,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let n=t[e];return void 0===n&&(n=new $a(new Float32Array(2),new Float32Array(2),1,this._controlInterpolantsResultBuffer),n.__cacheIndex=e,t[e]=n),n}_takeBackControlInterpolant(t){const e=this._controlInterpolants,n=t.__cacheIndex,i=--this._nActiveControlInterpolants,r=e[i];t.__cacheIndex=i,e[i]=t,r.__cacheIndex=n,e[n]=r}clipAction(t,e,n){const i=e||this._root,r=i.uuid;let s="string"==typeof t?ro.findByName(i,t):t;const a=null!==s?s.uuid:t,o=this._actionsByClip[a];let l=null;if(void 0===n&&(n=null!==s?s.blendMode:2500),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===n)return t;l=o.knownActions[0],null===s&&(s=l._clip)}if(null===s)return null;const h=new Xo(this,s,e,n);return this._bindAction(h,l),this._addInactiveAction(h,a,r),h}existingAction(t,e){const n=e||this._root,i=n.uuid,r="string"==typeof t?ro.findByName(n,t):t,s=r?r.uuid:t,a=this._actionsByClip[s];return void 0!==a&&a.actionByRoot[i]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,n=t.uuid,i=this._actionsByClip,r=i[n];if(void 0!==r){const t=r.knownActions;for(let n=0,i=t.length;n!==i;++n){const i=t[n];this._deactivateAction(i);const r=i._cacheIndex,s=e[e.length-1];i._cacheIndex=null,i._byClipCacheIndex=null,s._cacheIndex=r,e[r]=s,e.pop(),this._removeInactiveBindingsForAction(i)}delete i[n]}}uncacheRoot(t){const e=t.uuid,n=this._actionsByClip;for(const t in n){const i=n[t].actionByRoot[e];void 0!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}const i=this._bindingsByRootAndName[e];if(void 0!==i)for(const t in i){const e=i[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const n=this.existingAction(t,e);null!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}}$o.prototype._controlInterpolantsResultBuffer=new Float32Array(1);(class extends Fr{constructor(t,e,n=1){super(t,e),this.meshPerAttribute=n}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}clone(t){const e=super.clone(t);return e.meshPerAttribute=this.meshPerAttribute,e}toJSON(t){const e=super.toJSON(t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}}).prototype.isInstancedInterleavedBuffer=!0;function Yo(t,e){return t.distance-e.distance}function Jo(t,e,n,i){if(t.layers.test(e.layers)&&t.raycast(e,n),!0===i){const i=t.children;for(let t=0,r=i.length;t<r;t++)Jo(i[t],e,n,!0)}}class Ko{constructor(t=1,e=0,n=0){return this.radius=t,this.phi=e,this.theta=n,this}set(t,e,n){return this.radius=t,this.phi=e,this.theta=n,this}copy(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this}makeSafe(){const t=1e-6;return this.phi=Math.max(t,Math.min(Math.PI-t,this.phi)),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,n){return this.radius=Math.sqrt(t*t+e*e+n*n),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,n),this.phi=Math.acos(h(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}const Zo=new V,Qo=new xt,tl=new xt;function el(t){const e=[];!0===t.isBone&&e.push(t);for(let n=0;n<t.children.length;n++)e.push.apply(e,el(t.children[n]));return e}class nl{static toHalfFloat(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=h(t,-65504,65504),rl[0]=t;const e=sl[0],n=e>>23&511;return al[n]+((8388607&e)>>ol[n])}static fromHalfFloat(t){const e=t>>10;return sl[0]=ll[cl[e]+(1023&t)]+hl[e],rl[0]}}const il=new ArrayBuffer(4),rl=new Float32Array(il),sl=new Uint32Array(il),al=new Uint32Array(512),ol=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(al[t]=0,al[256|t]=32768,ol[t]=24,ol[256|t]=24):e<-14?(al[t]=1024>>-e-14,al[256|t]=1024>>-e-14|32768,ol[t]=-e-1,ol[256|t]=-e-1):e<=15?(al[t]=e+15<<10,al[256|t]=e+15<<10|32768,ol[t]=13,ol[256|t]=13):e<128?(al[t]=31744,al[256|t]=64512,ol[t]=24,ol[256|t]=24):(al[t]=31744,al[256|t]=64512,ol[t]=13,ol[256|t]=13)}const ll=new Uint32Array(2048),hl=new Uint32Array(64),cl=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;0==(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,ll[t]=e|n}for(let t=1024;t<2048;++t)ll[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)hl[t]=t<<23;hl[31]=1199570944,hl[32]=2147483648;for(let t=33;t<63;++t)hl[t]=2147483648+(t-32<<23);hl[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(cl[t]=1024);Ns.create=function(t,e){return console.log("THREE.Curve.create() has been deprecated"),t.prototype=Object.create(Ns.prototype),t.prototype.constructor=t,t.prototype.getPoint=e,t},ea.prototype.fromPoints=function(t){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(t)},class extends Ts{constructor(t=10,e=10,n=4473924,i=8947848){n=new L(n),i=new L(i);const r=e/2,s=t/e,a=t/2,o=[],l=[];for(let t=0,h=0,c=-a;t<=e;t++,c+=s){o.push(-a,0,c,a,0,c),o.push(c,0,-a,c,0,a);const e=t===r?n:i;e.toArray(l,h),h+=3,e.toArray(l,h),h+=3,e.toArray(l,h),h+=3,e.toArray(l,h),h+=3}const h=new ye;h.setAttribute("position",new ce(o,3)),h.setAttribute("color",new ce(l,3));super(h,new gs({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}}.prototype.setColors=function(){console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.")},class extends Ts{constructor(t){const e=el(t),n=new ye,i=[],r=[],s=new L(0,0,1),a=new L(0,1,0);for(let t=0;t<e.length;t++){const n=e[t];n.parent&&n.parent.isBone&&(i.push(0,0,0),i.push(0,0,0),r.push(s.r,s.g,s.b),r.push(a.r,a.g,a.b))}n.setAttribute("position",new ce(i,3)),n.setAttribute("color",new ce(r,3));super(n,new gs({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.type="SkeletonHelper",this.isSkeletonHelper=!0,this.root=t,this.bones=e,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1}updateMatrixWorld(t){const e=this.bones,n=this.geometry,i=n.getAttribute("position");tl.copy(this.root.matrixWorld).invert();for(let t=0,n=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(Qo.multiplyMatrices(tl,r.matrixWorld),Zo.setFromMatrixPosition(Qo),i.setXYZ(n,Zo.x,Zo.y,Zo.z),Qo.multiplyMatrices(tl,r.parent.matrixWorld),Zo.setFromMatrixPosition(Qo),i.setXYZ(n+1,Zo.x,Zo.y,Zo.z),n+=2)}n.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}}.prototype.update=function(){console.error("THREE.SkeletonHelper: update() no longer needs to be called.")},lo.prototype.extractUrlBase=function(t){return console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead."),Do.extractUrlBase(t)},lo.Handlers={add:function(){console.error("THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.")},get:function(){console.error("THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.")}},j.prototype.center=function(t){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(t)},j.prototype.empty=function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()},j.prototype.isIntersectionBox=function(t){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(t)},j.prototype.isIntersectionSphere=function(t){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(t)},j.prototype.size=function(t){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(t)},Ct.prototype.toVector3=function(){console.error("THREE.Euler: .toVector3() has been removed. Use Vector3.setFromEuler() instead")},ct.prototype.empty=function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()},tn.prototype.setFromMatrix=function(t){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(t)},v.prototype.flattenToArrayOffset=function(t,e){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(t,e)},v.prototype.multiplyVector3=function(t){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),t.applyMatrix3(this)},v.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")},v.prototype.applyToBufferAttribute=function(t){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),t.applyMatrix3(this)},v.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")},v.prototype.getInverse=function(t){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(t).invert()},xt.prototype.extractPosition=function(t){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(t)},xt.prototype.flattenToArrayOffset=function(t,e){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(t,e)},xt.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),(new V).setFromMatrixColumn(this,3)},xt.prototype.setRotationFromQuaternion=function(t){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(t)},xt.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")},xt.prototype.multiplyVector3=function(t){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},xt.prototype.multiplyVector4=function(t){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},xt.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")},xt.prototype.rotateAxis=function(t){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),t.transformDirection(this)},xt.prototype.crossVector=function(t){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},xt.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")},xt.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")},xt.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")},xt.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")},xt.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")},xt.prototype.applyToBufferAttribute=function(t){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},xt.prototype.applyToVector3Array=function(){console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")},xt.prototype.makeFrustum=function(t,e,n,i,r,s){return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),this.makePerspective(t,e,i,n,r,s)},xt.prototype.getInverse=function(t){return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(t).invert()},Ke.prototype.isIntersectionLine=function(t){return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),this.intersectsLine(t)},H.prototype.multiplyVector3=function(t){return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),t.applyQuaternion(this)},H.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()},yt.prototype.isIntersectionBox=function(t){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(t)},yt.prototype.isIntersectionPlane=function(t){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(t)},yt.prototype.isIntersectionSphere=function(t){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(t)},ee.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()},ee.prototype.barycoordFromPoint=function(t,e){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(t,e)},ee.prototype.midpoint=function(t){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(t)},ee.prototypenormal=function(t){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(t)},ee.prototype.plane=function(t){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(t)},ee.barycoordFromPoint=function(t,e,n,i,r){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),ee.getBarycoord(t,e,n,i,r)},ee.normal=function(t,e,n,i){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),ee.getNormal(t,e,n,i)},na.prototype.extractAllPoints=function(t){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(t)},na.prototype.extrude=function(t){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new Pa(this,t)},na.prototype.makeGeometry=function(t){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new Ia(this,t)},g.prototype.fromAttribute=function(t,e,n){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(t,e,n)},g.prototype.distanceToManhattan=function(t){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(t)},g.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},V.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")},V.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")},V.prototype.getPositionFromMatrix=function(t){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(t)},V.prototype.getScaleFromMatrix=function(t){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(t)},V.prototype.getColumnFromMatrix=function(t,e){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(e,t)},V.prototype.applyProjection=function(t){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(t)},V.prototype.fromAttribute=function(t,e,n){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(t,e,n)},V.prototype.distanceToManhattan=function(t){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(t)},V.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},U.prototype.fromAttribute=function(t,e,n){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(t,e,n)},U.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},Wt.prototype.getChildByName=function(t){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(t)},Wt.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")},Wt.prototype.translate=function(t,e){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(e,t)},Wt.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")},Wt.prototype.applyMatrix=function(t){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(t)},Object.defineProperties(Wt.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(t){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=t}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")},set:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")}}}),Fe.prototype.setDrawMode=function(){console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")},Object.defineProperties(Fe.prototype,{drawMode:{get:function(){return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),0},set:function(){console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}}),ss.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")},We.prototype.setLens=function(t,e){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),void 0!==e&&(this.filmGauge=e),this.setFocalLength(t)},Object.defineProperties(go.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(t){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=t}},shadowCameraLeft:{set:function(t){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=t}},shadowCameraRight:{set:function(t){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=t}},shadowCameraTop:{set:function(t){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=t}},shadowCameraBottom:{set:function(t){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=t}},shadowCameraNear:{set:function(t){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=t}},shadowCameraFar:{set:function(t){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=t}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(t){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=t}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(t){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=t}},shadowMapHeight:{set:function(t){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=t}}}),Object.defineProperties(oe.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),35048===this.usage},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(35048)}}}),oe.prototype.setDynamic=function(t){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===t?35048:35044),this},oe.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},oe.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},ye.prototype.addIndex=function(t){console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),this.setIndex(t)},ye.prototype.addAttribute=function(t,e){return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),e&&e.isBufferAttribute||e&&e.isInterleavedBufferAttribute?"index"===t?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(e),this):this.setAttribute(t,e):(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.setAttribute(t,new oe(arguments[1],arguments[2])))},ye.prototype.addDrawCall=function(t,e,n){void 0!==n&&console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),this.addGroup(t,e)},ye.prototype.clearDrawCalls=function(){console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),this.clearGroups()},ye.prototype.computeOffsets=function(){console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")},ye.prototype.removeAttribute=function(t){return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),this.deleteAttribute(t)},ye.prototype.applyMatrix=function(t){return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(t)},Object.defineProperties(ye.prototype,{drawcalls:{get:function(){return console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups."),this.groups}},offsets:{get:function(){return console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups."),this.groups}}}),Fr.prototype.setDynamic=function(t){return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===t?35048:35044),this},Fr.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},Pa.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")},Pa.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")},Pa.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")},Nr.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")},Object.defineProperties(ie.prototype,{wrapAround:{get:function(){console.warn("THREE.Material: .wrapAround has been removed.")},set:function(){console.warn("THREE.Material: .wrapAround has been removed.")}},overdraw:{get:function(){console.warn("THREE.Material: .overdraw has been removed.")},set:function(){console.warn("THREE.Material: .overdraw has been removed.")}},wrapRGB:{get:function(){return console.warn("THREE.Material: .wrapRGB has been removed."),new L}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(t){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===t}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(t){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=t}},vertexTangents:{get:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")},set:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")}}}),Object.defineProperties(Ve.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(t){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=t}}}),Or.prototype.clearTarget=function(t,e,n,i){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(t),this.clear(e,n,i)},Or.prototype.animate=function(t){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(t)},Or.prototype.getCurrentRenderTarget=function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()},Or.prototype.getMaxAnisotropy=function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()},Or.prototype.getPrecision=function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision},Or.prototype.resetGLState=function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()},Or.prototype.supportsFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")},Or.prototype.supportsHalfFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")},Or.prototype.supportsStandardDerivatives=function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")},Or.prototype.supportsCompressedTextureS3TC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")},Or.prototype.supportsCompressedTexturePVRTC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")},Or.prototype.supportsBlendMinMax=function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")},Or.prototype.supportsVertexTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures},Or.prototype.supportsInstancedArrays=function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")},Or.prototype.enableScissorTest=function(t){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(t)},Or.prototype.initMaterial=function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")},Or.prototype.addPrePlugin=function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")},Or.prototype.addPostPlugin=function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")},Or.prototype.updateShadowMap=function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")},Or.prototype.setFaceCulling=function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")},Or.prototype.allocTextureUnit=function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")},Or.prototype.setTexture=function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")},Or.prototype.setTexture2D=function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")},Or.prototype.setTextureCube=function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")},Or.prototype.getActiveMipMapLevel=function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()},Object.defineProperties(Or.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(t){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=t}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(t){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=t}},shadowMapCullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")}},context:{get:function(){return console.warn("THREE.WebGLRenderer: .context has been removed. Use .getContext() instead."),this.getContext()}},vr:{get:function(){return console.warn("THREE.WebGLRenderer: .vr has been renamed to .xr"),this.xr}},gammaInput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead."),!1},set:function(){console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.")}},gammaOutput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),!1},set:function(t){console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),this.outputEncoding=!0===t?3001:3e3}},toneMappingWhitePoint:{get:function(){return console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed."),1},set:function(){console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.")}},gammaFactor:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaFactor has been removed."),2},set:function(){console.warn("THREE.WebGLRenderer: .gammaFactor has been removed.")}}}),Object.defineProperties(Mr.prototype,{cullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")}},renderReverseSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")}},renderSingleSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")}}}),Object.defineProperties(k.prototype,{wrapS:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS},set:function(t){console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS=t}},wrapT:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT},set:function(t){console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT=t}},magFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter},set:function(t){console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter=t}},minFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter},set:function(t){console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter=t}},anisotropy:{get:function(){return console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy},set:function(t){console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy=t}},offset:{get:function(){return console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset},set:function(t){console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset=t}},repeat:{get:function(){return console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat},set:function(t){console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat=t}},format:{get:function(){return console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format},set:function(t){console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format=t}},type:{get:function(){return console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type},set:function(t){console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type=t}},generateMipmaps:{get:function(){return console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps},set:function(t){console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps=t}}}),class extends Wt{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,this.source.stop(),this.source.onended=null,this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}getFilters(){return this.filters}setFilters(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this}setDetune(t){if(this.detune=t,void 0!==this.source.detune)return!0===this.isPlaying&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(t){return this.setFilters(t?[t]:[])}setPlaybackRate(t){if(!1!==this.hasPlaybackControl)return this.playbackRate=t,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;console.warn("THREE.Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1}getLoop(){return!1===this.hasPlaybackControl?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop}setLoop(t){if(!1!==this.hasPlaybackControl)return this.loop=t,!0===this.isPlaying&&(this.source.loop=this.loop),this;console.warn("THREE.Audio: this Audio has no playback control.")}setLoopStart(t){return this.loopStart=t,this}setLoopEnd(t){return this.loopEnd=t,this}getVolume(){return this.gain.gain.value}setVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}}.prototype.load=function(t){console.warn("THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.");const e=this;return(new Fo).load(t,(function(t){e.setBuffer(t)})),this},je.prototype.updateCubeMap=function(t,e){return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),this.update(t,e)},je.prototype.clear=function(t,e,n,i){return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),this.renderTarget.clear(t,e,n,i)},D.crossOrigin=void 0,D.loadTexture=function(t,e,n,i){console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");const r=new fo;r.setCrossOrigin(this.crossOrigin);const s=r.load(t,n,void 0,i);return e&&(s.mapping=e),s},D.loadTextureCube=function(t,e,n,i){console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.");const r=new po;r.setCrossOrigin(this.crossOrigin);const s=r.load(t,n,void 0,i);return e&&(s.mapping=e),s},D.loadCompressedTexture=function(){console.error("THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.")},D.loadCompressedTextureCube=function(){console.error("THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.")},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:"139"}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__="139")
/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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i=this._$AH,r=t===Gl&&i!==Gl||t.capture!==i.capture||t.once!==i.once||t.passive!==i.passive,s=t!==Gl&&(i===Gl||r);r&&this.element.removeEventListener(this.name,this,i),s&&this.element.addEventListener(this.name,this,t),this._$AH=t}handleEvent(t){var e,n;"function"==typeof this._$AH?this._$AH.call(null!==(n=null===(e=this.options)||void 0===e?void 0:e.host)&&void 0!==n?n:this.element,t):this._$AH.handleEvent(t)}}class ih{constructor(t,e,n){this.element=t,this.type=6,this._$AN=void 0,this._$AM=e,this.options=n}get _$AU(){return this._$AM._$AU}_$AI(t){Yl(this,t)}}const rh=window.litHtmlPolyfillSupport;
/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
var sh,ah;null==rh||rh($l,Kl),(null!==(Sl=globalThis.litHtmlVersions)&&void 0!==Sl?Sl:globalThis.litHtmlVersions=[]).push("2.2.3");class oh extends Ml{constructor(){super(...arguments),this.renderOptions={host:this},this._$Dt=void 0}createRenderRoot(){var t,e;const n=super.createRenderRoot();return null!==(t=(e=this.renderOptions).renderBefore)&&void 0!==t||(e.renderBefore=n.firstChild),n}update(t){const e=this.render();this.hasUpdated||(this.renderOptions.isConnected=this.isConnected),super.update(t),this._$Dt=jl(e,this.renderRoot,this.renderOptions)}connectedCallback(){var t;super.connectedCallback(),null===(t=this._$Dt)||void 0===t||t.setConnected(!0)}disconnectedCallback(){var t;super.disconnectedCallback(),null===(t=this._$Dt)||void 0===t||t.setConnected(!1)}render(){return Vl}}oh.finalized=!0,oh._$litElement$=!0,null===(sh=globalThis.litElementHydrateSupport)||void 0===sh||sh.call(globalThis,{LitElement:oh});const lh=globalThis.litElementPolyfillSupport;null==lh||lh({LitElement:oh}),(null!==(ah=globalThis.litElementVersions)&&void 0!==ah?ah:globalThis.litElementVersions=[]).push("3.2.0");
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const hh=null!=navigator.xr&&null!=self.XRSession&&null!=navigator.xr.isSessionSupported,ch=hh&&self.XRSession.prototype.requestHitTestSource,uh=null!=self.ResizeObserver,dh=null!=self.IntersectionObserver,ph=ch;(()=>{const t=navigator.userAgent||navigator.vendor||self.opera;let e=!1;(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(t)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(t.substr(0,4)))&&(e=!0)})(),/\bCrOS\b/.test(navigator.userAgent);const mh=/android/i.test(navigator.userAgent),fh=/iPad|iPhone|iPod/.test(navigator.userAgent)&&!self.MSStream||"MacIntel"===navigator.platform&&navigator.maxTouchPoints>1,gh=(()=>{const t=document.createElement("a");return Boolean(t.relList&&t.relList.supports&&t.relList.supports("ar"))})();/Safari\//.test(navigator.userAgent);const vh=/firefox/i.test(navigator.userAgent),yh=/OculusBrowser/.test(navigator.userAgent);fh&&/CriOS\//.test(navigator.userAgent);const xh=mh&&!vh&&!yh;
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const bh=Hl`
<style>
:host {
  display: block;
  position: relative;
  contain: strict;
  width: 300px;
  height: 150px;
}

/* NOTE: This ruleset is our integration surface area with the
 * :focus-visible polyfill.
 *
 * @see https://github.com/WICG/focus-visible/pull/196 */
:host([data-js-focus-visible]:focus:not(.focus-visible)),
:host([data-js-focus-visible]) :focus:not(.focus-visible) {
  outline: none;
}

.container {
  position: relative;
}

.userInput {
  width: 100%;
  height: 100%;
  display: block;
  position: relative;
  overflow: hidden;
}

canvas {
  position: absolute;
  display: none;
  pointer-events: none;
  /* NOTE(cdata): Chrome 76 and below apparently have a bug
   * that causes our canvas not to display pixels unless it is
   * on its own render layer
   * @see https://github.com/google/model-viewer/pull/755#issuecomment-536597893
   */
  transform: translateZ(0);
}

canvas.show {
  display: block;
}

/* Adapted from HTML5 Boilerplate
 *
 * @see https://github.com/h5bp/html5-boilerplate/blob/ceb4620c78fc82e13534fc44202a3f168754873f/dist/css/main.css#L122-L133 */
.screen-reader-only {
  border: 0;
  left: 0;
  top: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
  pointer-events: none;
}

.slot {
  position: absolute;
  pointer-events: none;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.slot > * {
  pointer-events: initial;
}

.annotation-wrapper ::slotted(*) {
  opacity: var(--max-hotspot-opacity, 1);
  transition: opacity 0.3s;
}

.pointer-tumbling .annotation-wrapper ::slotted(*) {
  pointer-events: none;
}

.annotation-wrapper ::slotted(*) {
  pointer-events: initial;
}

.annotation-wrapper.hide ::slotted(*) {
  opacity: var(--min-hotspot-opacity, 0.25);
}

.slot.poster {
  opacity: 0;
  transition: opacity 0.3s 0.3s;
  background-color: inherit;
}

.slot.poster.show {
  opacity: 1;
  transition: none;
}

.slot.poster.quick {
  transition: none;
}

.slot.poster > * {
  pointer-events: initial;
}

.slot.poster:not(.show) > * {
  pointer-events: none;
}

#default-poster {
  width: 100%;
  height: 100%;
  /* The default poster is a <button> so we need to set display
   * to prevent it from being affected by text-align: */
  display: block;
  position: absolute;
  border: none;
  padding: 0;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: var(--poster-color, #fff);
  background-image: var(--poster-image, none);
}

#default-progress-bar {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

#default-progress-bar > .mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--progress-mask, #fff);
  transition: opacity 0.3s;
  opacity: 0.2;
}

#default-progress-bar > .bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--progress-bar-height, 5px);
  background-color: var(--progress-bar-color, rgba(0, 0, 0, 0.4));
  transition: transform 0.09s;
  transform-origin: top left;
  transform: scaleX(0);
  overflow: hidden;
}

#default-progress-bar > .bar.hide {
  transition: opacity 0.3s 1s;
  opacity: 0;
}

.centered {
  align-items: center;
  justify-content: center;
}

.cover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.slot.interaction-prompt {
  display: var(--interaction-prompt-display, flex);
  overflow: hidden;
  opacity: 0;
  will-change: opacity;
  transition: opacity 0.3s;
}

.slot.interaction-prompt.visible {
  opacity: 1;
}

.animated-container {
  will-change: transform, opacity;
  opacity: 0;
  transition: opacity 0.3s;
}

.slot.interaction-prompt > * {
  pointer-events: none;
}

.slot.ar-button {
  -moz-user-select: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;

  display: var(--ar-button-display, block);
}

.slot.ar-button:not(.enabled) {
  display: none;
}

.fab {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background-color: #fff;
  box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.15);
  border-radius: 100px;
}

.fab > * {
  opacity: 0.87;
}

#default-ar-button {
  position: absolute;
  bottom: 16px;
  right: 16px;
  transform: scale(var(--ar-button-scale, 1));
  transform-origin: bottom right;
}

.slot.pan-target {
  display: block;
  position: absolute;
  width: 0;
  height: 0;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%, -50%, 0);
  background-color: transparent;
  opacity: 0;
  transition: opacity 0.3s;
}

#default-pan-target {
  width: 6px;
  height: 6px;
  border-radius: 6px;
  border: 1px solid white;
  box-shadow: 0px 0px 2px 1px rgba(0, 0, 0, 0.8);
}

.slot.default {
  pointer-events: none;
}

.slot.progress-bar {
  pointer-events: none;
}

.slot.exit-webxr-ar-button {
  pointer-events: none;
}

.slot.exit-webxr-ar-button:not(.enabled) {
  display: none;
}

#default-exit-webxr-ar-button {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  box-sizing: border-box;
}

#default-exit-webxr-ar-button > svg {
  fill: #fff;
}
</style>
<div class="container">
  <div class="userInput" tabindex="0" role="img"
      aria-label="3D model">
      <div class="slot canvas">
        <slot name="canvas">
          <canvas></canvas>
        </slot>
      </div>

  </div>

  <!-- NOTE(cdata): We need to wrap slots because browsers without ShadowDOM
        will have their <slot> elements removed by ShadyCSS -->
  <div class="slot poster">
    <slot name="poster">
      <button type="button" id="default-poster" aria-hidden="true" aria-label="Loading 3D model"></button>
    </slot>
  </div>

  <div class="slot ar-button">
    <slot name="ar-button">
      <a id="default-ar-button" part="default-ar-button" class="fab"
          tabindex="2"
          aria-label="View in your space">
        ${Hl`
<svg version="1.1" id="view_x5F_in_x5F_AR_x5F_icon"
	 xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="24px" height="24px"
	 viewBox="0 0 24 24" enable-background="new 0 0 24 24" xml:space="preserve">
<rect id="Bounding_Box" x="0" y="0" fill="none" width="24" height="24"/>
<g id="Art_layer">
	<path d="M3,4c0-0.55,0.45-1,1-1h2V1H4C2.35,1,1,2.35,1,4v2h2V4z"/>
	<path d="M20,3c0.55,0,1,0.45,1,1v2h2V4c0-1.65-1.35-3-3-3h-2v2H20z"/>
	<path d="M4,21c-0.55,0-1-0.45-1-1v-2H1v2c0,1.65,1.35,3,3,3h2v-2H4z"/>
	<path d="M20,21c0.55,0,1-0.45,1-1v-2h2v2c0,1.65-1.35,3-3,3h-2v-2H20z"/>
	<g>
		<path d="M18.25,7.6l-5.5-3.18c-0.46-0.27-1.04-0.27-1.5,0L5.75,7.6C5.29,7.87,5,8.36,5,8.9v6.35c0,0.54,0.29,1.03,0.75,1.3
			l5.5,3.18c0.46,0.27,1.04,0.27,1.5,0l5.5-3.18c0.46-0.27,0.75-0.76,0.75-1.3V8.9C19,8.36,18.71,7.87,18.25,7.6z M7,14.96v-4.62
			l4,2.32v4.61L7,14.96z M12,10.93L8,8.61l4-2.31l4,2.31L12,10.93z M13,17.27v-4.61l4-2.32v4.62L13,17.27z"/>
	</g>
</g>
</svg>`}
      </a>
    </slot>
  </div>

  <div class="slot pan-target">
    <slot name="pan-target">
      <div id="default-pan-target">
      </div>
    </slot>
  </div>

  <div class="slot interaction-prompt cover centered">
    <div id="prompt" class="animated-container">
      <slot name="interaction-prompt" aria-hidden="true">
        ${Hl`
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="25" height="36">
    <defs>
        <path id="A" d="M.001.232h24.997V36H.001z" />
    </defs>
    <g transform="translate(-11 -4)" fill="none" fill-rule="evenodd">
        <path fill-opacity="0" fill="#fff" d="M0 0h44v44H0z" />
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/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */}
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/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */}
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</div>`,_h=new WeakMap;function wh(){let t,e;function n(t,e,n,i,r,s){const a=s.num_components(),o=n.num_points()*a,l=o*r.BYTES_PER_ELEMENT,h=function(t,e){switch(e){case Float32Array:return t.DT_FLOAT32;case Int8Array:return t.DT_INT8;case Int16Array:return t.DT_INT16;case Int32Array:return t.DT_INT32;case Uint8Array:return t.DT_UINT8;case Uint16Array:return t.DT_UINT16;case Uint32Array:return t.DT_UINT32}}(t,r),c=t._malloc(l);e.GetAttributeDataArrayForAllPoints(n,s,h,l,c);const u=new r(t.HEAPF32.buffer,c,o).slice();return t._free(c),{name:i,array:u,itemSize:a}}onmessage=function(i){const r=i.data;switch(r.type){case"init":t=r.decoderConfig,e=new Promise((function(e){t.onModuleLoaded=function(t){e({draco:t})},DracoDecoderModule(t)}));break;case"decode":const i=r.buffer,s=r.taskConfig;e.then((t=>{const e=t.draco,a=new e.Decoder,o=new e.DecoderBuffer;o.Init(new Int8Array(i),i.byteLength);try{const t=function(t,e,i,r){const s=r.attributeIDs,a=r.attributeTypes;let o,l;const h=e.GetEncodedGeometryType(i);if(h===t.TRIANGULAR_MESH)o=new t.Mesh,l=e.DecodeBufferToMesh(i,o);else{if(h!==t.POINT_CLOUD)throw new Error("THREE.DRACOLoader: Unexpected geometry type.");o=new t.PointCloud,l=e.DecodeBufferToPointCloud(i,o)}if(!l.ok()||0===o.ptr)throw new Error("THREE.DRACOLoader: Decoding failed: "+l.error_msg());const c={index:null,attributes:[]};for(const i in s){const l=self[a[i]];let h,u;if(r.useUniqueIDs)u=s[i],h=e.GetAttributeByUniqueId(o,u);else{if(u=e.GetAttributeId(o,t[s[i]]),-1===u)continue;h=e.GetAttribute(o,u)}c.attributes.push(n(t,e,o,i,l,h))}h===t.TRIANGULAR_MESH&&(c.index=function(t,e,n){const i=3*n.num_faces(),r=4*i,s=t._malloc(r);e.GetTrianglesUInt32Array(n,r,s);const a=new Uint32Array(t.HEAPF32.buffer,s,i).slice();return t._free(s),{array:a,itemSize:1}}(t,e,o));return t.destroy(o),c}(e,a,o,s),i=t.attributes.map((t=>t.array.buffer));t.index&&i.push(t.index.array.buffer),self.postMessage({type:"decode",id:r.id,geometry:t},i)}catch(t){console.error(t),self.postMessage({type:"error",id:r.id,error:t.message})}finally{e.destroy(o),e.destroy(a)}}))}}}class Mh extends lo{constructor(t){super(t),this.dracoLoader=null,this.ktx2Loader=null,this.meshoptDecoder=null,this.pluginCallbacks=[],this.register((function(t){return new Rh(t)})),this.register((function(t){return new Oh(t)})),this.register((function(t){return new Nh(t)})),this.register((function(t){return new Ch(t)})),this.register((function(t){return new Lh(t)})),this.register((function(t){return new Ph(t)})),this.register((function(t){return new Dh(t)})),this.register((function(t){return new Ih(t)})),this.register((function(t){return new Eh(t)})),this.register((function(t){return new Fh(t)}))}load(t,e,n,i){const r=this;let s;s=""!==this.resourcePath?this.resourcePath:""!==this.path?this.path:Do.extractUrlBase(t),this.manager.itemStart(t);const a=function(e){i?i(e):console.error(e),r.manager.itemError(t),r.manager.itemEnd(t)},o=new co(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(t,(function(n){try{r.parse(n,s,(function(n){e(n),r.manager.itemEnd(t)}),a)}catch(t){a(t)}}),n,a)}setDRACOLoader(t){return this.dracoLoader=t,this}setDDSLoader(){throw new Error('THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".')}setKTX2Loader(t){return this.ktx2Loader=t,this}setMeshoptDecoder(t){return this.meshoptDecoder=t,this}register(t){return-1===this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.push(t),this}unregister(t){return-1!==this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(t),1),this}parse(t,e,n,i){let r;const s={},a={};if("string"==typeof t)r=t;else{if(Do.decodeText(new Uint8Array(t,0,4))===Uh){try{s[Th.KHR_BINARY_GLTF]=new zh(t)}catch(t){return void(i&&i(t))}r=s[Th.KHR_BINARY_GLTF].content}else r=Do.decodeText(new Uint8Array(t))}const o=JSON.parse(r);if(void 0===o.asset||o.asset.version[0]<2)return void(i&&i(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.")));const l=new xc(o,{path:e||this.resourcePath||"",crossOrigin:this.crossOrigin,requestHeader:this.requestHeader,manager:this.manager,ktx2Loader:this.ktx2Loader,meshoptDecoder:this.meshoptDecoder});l.fileLoader.setRequestHeader(this.requestHeader);for(let t=0;t<this.pluginCallbacks.length;t++){const e=this.pluginCallbacks[t](l);a[e.name]=e,s[e.name]=!0}if(o.extensionsUsed)for(let t=0;t<o.extensionsUsed.length;++t){const e=o.extensionsUsed[t],n=o.extensionsRequired||[];switch(e){case Th.KHR_MATERIALS_UNLIT:s[e]=new Ah;break;case Th.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:s[e]=new Wh;break;case Th.KHR_DRACO_MESH_COMPRESSION:s[e]=new Hh(o,this.dracoLoader);break;case Th.KHR_TEXTURE_TRANSFORM:s[e]=new Vh;break;case Th.KHR_MESH_QUANTIZATION:s[e]=new jh;break;default:n.indexOf(e)>=0&&void 0===a[e]&&console.warn('THREE.GLTFLoader: Unknown extension "'+e+'".')}}l.setExtensions(s),l.setPlugins(a),l.parse(n,i)}parseAsync(t,e){const n=this;return new Promise((function(i,r){n.parse(t,e,i,r)}))}}function Sh(){let t={};return{get:function(e){return t[e]},add:function(e,n){t[e]=n},remove:function(e){delete t[e]},removeAll:function(){t={}}}}const Th={KHR_BINARY_GLTF:"KHR_binary_glTF",KHR_DRACO_MESH_COMPRESSION:"KHR_draco_mesh_compression",KHR_LIGHTS_PUNCTUAL:"KHR_lights_punctual",KHR_MATERIALS_CLEARCOAT:"KHR_materials_clearcoat",KHR_MATERIALS_IOR:"KHR_materials_ior",KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:"KHR_materials_pbrSpecularGlossiness",KHR_MATERIALS_SHEEN:"KHR_materials_sheen",KHR_MATERIALS_SPECULAR:"KHR_materials_specular",KHR_MATERIALS_TRANSMISSION:"KHR_materials_transmission",KHR_MATERIALS_UNLIT:"KHR_materials_unlit",KHR_MATERIALS_VOLUME:"KHR_materials_volume",KHR_TEXTURE_BASISU:"KHR_texture_basisu",KHR_TEXTURE_TRANSFORM:"KHR_texture_transform",KHR_MESH_QUANTIZATION:"KHR_mesh_quantization",EXT_TEXTURE_WEBP:"EXT_texture_webp",EXT_MESHOPT_COMPRESSION:"EXT_meshopt_compression"};class Eh{constructor(t){this.parser=t,this.name=Th.KHR_LIGHTS_PUNCTUAL,this.cache={refs:{},uses:{}}}_markDefs(){const t=this.parser,e=this.parser.json.nodes||[];for(let n=0,i=e.length;n<i;n++){const i=e[n];i.extensions&&i.extensions[this.name]&&void 0!==i.extensions[this.name].light&&t._addNodeRef(this.cache,i.extensions[this.name].light)}}_loadLight(t){const e=this.parser,n="light:"+t;let i=e.cache.get(n);if(i)return i;const r=e.json,s=((r.extensions&&r.extensions[this.name]||{}).lights||[])[t];let a;const o=new L(16777215);void 0!==s.color&&o.fromArray(s.color);const l=void 0!==s.range?s.range:0;switch(s.type){case"directional":a=new Co(o),a.target.position.set(0,0,-1),a.add(a.target);break;case"point":a=new Ao(o),a.distance=l;break;case"spot":a=new wo(o),a.distance=l,s.spot=s.spot||{},s.spot.innerConeAngle=void 0!==s.spot.innerConeAngle?s.spot.innerConeAngle:0,s.spot.outerConeAngle=void 0!==s.spot.outerConeAngle?s.spot.outerConeAngle:Math.PI/4,a.angle=s.spot.outerConeAngle,a.penumbra=1-s.spot.innerConeAngle/s.spot.outerConeAngle,a.target.position.set(0,0,-1),a.add(a.target);break;default:throw new Error("THREE.GLTFLoader: Unexpected light type: "+s.type)}return a.position.set(0,0,0),a.decay=2,void 0!==s.intensity&&(a.intensity=s.intensity),a.name=e.createUniqueName(s.name||"light_"+t),i=Promise.resolve(a),e.cache.add(n,i),i}createNodeAttachment(t){const e=this,n=this.parser,i=n.json.nodes[t],r=(i.extensions&&i.extensions[this.name]||{}).light;return void 0===r?null:this._loadLight(r).then((function(t){return n._getNodeRef(e.cache,r,t)}))}}class Ah{constructor(){this.name=Th.KHR_MATERIALS_UNLIT}getMaterialType(){return re}extendParams(t,e,n){const i=[];t.color=new L(1,1,1),t.opacity=1;const r=e.pbrMetallicRoughness;if(r){if(Array.isArray(r.baseColorFactor)){const e=r.baseColorFactor;t.color.fromArray(e),t.opacity=e[3]}void 0!==r.baseColorTexture&&i.push(n.assignTexture(t,"map",r.baseColorTexture,3001))}return Promise.all(i)}}class Rh{constructor(t){this.parser=t,this.name=Th.KHR_MATERIALS_CLEARCOAT}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Ua:null}extendMaterialParams(t,e){const n=this.parser,i=n.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],s=i.extensions[this.name];if(void 0!==s.clearcoatFactor&&(e.clearcoat=s.clearcoatFactor),void 0!==s.clearcoatTexture&&r.push(n.assignTexture(e,"clearcoatMap",s.clearcoatTexture)),void 0!==s.clearcoatRoughnessFactor&&(e.clearcoatRoughness=s.clearcoatRoughnessFactor),void 0!==s.clearcoatRoughnessTexture&&r.push(n.assignTexture(e,"clearcoatRoughnessMap",s.clearcoatRoughnessTexture)),void 0!==s.clearcoatNormalTexture&&(r.push(n.assignTexture(e,"clearcoatNormalMap",s.clearcoatNormalTexture)),void 0!==s.clearcoatNormalTexture.scale)){const t=s.clearcoatNormalTexture.scale;e.clearcoatNormalScale=new g(t,t)}return Promise.all(r)}}class Ch{constructor(t){this.parser=t,this.name=Th.KHR_MATERIALS_SHEEN}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Ua:null}extendMaterialParams(t,e){const n=this.parser,i=n.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[];e.sheenColor=new L(0,0,0),e.sheenRoughness=0,e.sheen=1;const s=i.extensions[this.name];return void 0!==s.sheenColorFactor&&e.sheenColor.fromArray(s.sheenColorFactor),void 0!==s.sheenRoughnessFactor&&(e.sheenRoughness=s.sheenRoughnessFactor),void 0!==s.sheenColorTexture&&r.push(n.assignTexture(e,"sheenColorMap",s.sheenColorTexture,3001)),void 0!==s.sheenRoughnessTexture&&r.push(n.assignTexture(e,"sheenRoughnessMap",s.sheenRoughnessTexture)),Promise.all(r)}}class Lh{constructor(t){this.parser=t,this.name=Th.KHR_MATERIALS_TRANSMISSION}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Ua:null}extendMaterialParams(t,e){const n=this.parser,i=n.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],s=i.extensions[this.name];return void 0!==s.transmissionFactor&&(e.transmission=s.transmissionFactor),void 0!==s.transmissionTexture&&r.push(n.assignTexture(e,"transmissionMap",s.transmissionTexture)),Promise.all(r)}}class Ph{constructor(t){this.parser=t,this.name=Th.KHR_MATERIALS_VOLUME}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Ua:null}extendMaterialParams(t,e){const n=this.parser,i=n.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],s=i.extensions[this.name];e.thickness=void 0!==s.thicknessFactor?s.thicknessFactor:0,void 0!==s.thicknessTexture&&r.push(n.assignTexture(e,"thicknessMap",s.thicknessTexture)),e.attenuationDistance=s.attenuationDistance||0;const a=s.attenuationColor||[1,1,1];return e.attenuationColor=new L(a[0],a[1],a[2]),Promise.all(r)}}class Dh{constructor(t){this.parser=t,this.name=Th.KHR_MATERIALS_IOR}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Ua:null}extendMaterialParams(t,e){const n=this.parser.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const i=n.extensions[this.name];return e.ior=void 0!==i.ior?i.ior:1.5,Promise.resolve()}}class Ih{constructor(t){this.parser=t,this.name=Th.KHR_MATERIALS_SPECULAR}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Ua:null}extendMaterialParams(t,e){const n=this.parser,i=n.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],s=i.extensions[this.name];e.specularIntensity=void 0!==s.specularFactor?s.specularFactor:1,void 0!==s.specularTexture&&r.push(n.assignTexture(e,"specularIntensityMap",s.specularTexture));const a=s.specularColorFactor||[1,1,1];return e.specularColor=new L(a[0],a[1],a[2]),void 0!==s.specularColorTexture&&r.push(n.assignTexture(e,"specularColorMap",s.specularColorTexture,3001)),Promise.all(r)}}class Oh{constructor(t){this.parser=t,this.name=Th.KHR_TEXTURE_BASISU}loadTexture(t){const e=this.parser,n=e.json,i=n.textures[t];if(!i.extensions||!i.extensions[this.name])return null;const r=i.extensions[this.name],s=e.options.ktx2Loader;if(!s){if(n.extensionsRequired&&n.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");return null}return e.loadTextureImage(t,r.source,s)}}class Nh{constructor(t){this.parser=t,this.name=Th.EXT_TEXTURE_WEBP,this.isSupported=null}loadTexture(t){const e=this.name,n=this.parser,i=n.json,r=i.textures[t];if(!r.extensions||!r.extensions[e])return null;const s=r.extensions[e],a=i.images[s.source];let o=n.textureLoader;if(a.uri){const t=n.options.manager.getHandler(a.uri);null!==t&&(o=t)}return this.detectSupport().then((function(r){if(r)return n.loadTextureImage(t,s.source,o);if(i.extensionsRequired&&i.extensionsRequired.indexOf(e)>=0)throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");return n.loadTexture(t)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(t){const e=new Image;e.src="data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",e.onload=e.onerror=function(){t(1===e.height)}}))),this.isSupported}}class Fh{constructor(t){this.name=Th.EXT_MESHOPT_COMPRESSION,this.parser=t}loadBufferView(t){const e=this.parser.json,n=e.bufferViews[t];if(n.extensions&&n.extensions[this.name]){const t=n.extensions[this.name],i=this.parser.getDependency("buffer",t.buffer),r=this.parser.options.meshoptDecoder;if(!r||!r.supported){if(e.extensionsRequired&&e.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files");return null}return Promise.all([i,r.ready]).then((function(e){const n=t.byteOffset||0,i=t.byteLength||0,s=t.count,a=t.byteStride,o=new ArrayBuffer(s*a),l=new Uint8Array(e[0],n,i);return r.decodeGltfBuffer(new Uint8Array(o),s,a,l,t.mode,t.filter),o}))}return null}}const Uh="glTF",kh=1313821514,Bh=5130562;class zh{constructor(t){this.name=Th.KHR_BINARY_GLTF,this.content=null,this.body=null;const e=new DataView(t,0,12);if(this.header={magic:Do.decodeText(new Uint8Array(t.slice(0,4))),version:e.getUint32(4,!0),length:e.getUint32(8,!0)},this.header.magic!==Uh)throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");if(this.header.version<2)throw new Error("THREE.GLTFLoader: Legacy binary file detected.");const n=this.header.length-12,i=new DataView(t,12);let r=0;for(;r<n;){const e=i.getUint32(r,!0);r+=4;const n=i.getUint32(r,!0);if(r+=4,n===kh){const n=new Uint8Array(t,12+r,e);this.content=Do.decodeText(n)}else if(n===Bh){const n=12+r;this.body=t.slice(n,n+e)}r+=e}if(null===this.content)throw new Error("THREE.GLTFLoader: JSON content not found.")}}class Hh{constructor(t,e){if(!e)throw new Error("THREE.GLTFLoader: No DRACOLoader instance provided.");this.name=Th.KHR_DRACO_MESH_COMPRESSION,this.json=t,this.dracoLoader=e,this.dracoLoader.preload()}decodePrimitive(t,e){const n=this.json,i=this.dracoLoader,r=t.extensions[this.name].bufferView,s=t.extensions[this.name].attributes,a={},o={},l={};for(const t in s){const e=ac[t]||t.toLowerCase();a[e]=s[t]}for(const e in t.attributes){const i=ac[e]||e.toLowerCase();if(void 0!==s[e]){const r=n.accessors[t.attributes[e]],s=nc[r.componentType];l[i]=s,o[i]=!0===r.normalized}}return e.getDependency("bufferView",r).then((function(t){return new Promise((function(e){i.decodeDracoFile(t,(function(t){for(const e in t.attributes){const n=t.attributes[e],i=o[e];void 0!==i&&(n.normalized=i)}e(t)}),a,l)}))}))}}class Vh{constructor(){this.name=Th.KHR_TEXTURE_TRANSFORM}extendTexture(t,e){return void 0!==e.texCoord&&console.warn('THREE.GLTFLoader: Custom UV sets in "'+this.name+'" extension not yet supported.'),void 0===e.offset&&void 0===e.rotation&&void 0===e.scale||(t=t.clone(),void 0!==e.offset&&t.offset.fromArray(e.offset),void 0!==e.rotation&&(t.rotation=e.rotation),void 0!==e.scale&&t.repeat.fromArray(e.scale),t.needsUpdate=!0),t}}class Gh extends Fa{constructor(t){super(),this.isGLTFSpecularGlossinessMaterial=!0;const e=["#ifdef USE_SPECULARMAP","\tuniform sampler2D specularMap;","#endif"].join("\n"),n=["#ifdef USE_GLOSSINESSMAP","\tuniform sampler2D glossinessMap;","#endif"].join("\n"),i=["vec3 specularFactor = specular;","#ifdef USE_SPECULARMAP","\tvec4 texelSpecular = texture2D( specularMap, vUv );","\t// reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture","\tspecularFactor *= texelSpecular.rgb;","#endif"].join("\n"),r=["float glossinessFactor = glossiness;","#ifdef USE_GLOSSINESSMAP","\tvec4 texelGlossiness = texture2D( glossinessMap, vUv );","\t// reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture","\tglossinessFactor *= texelGlossiness.a;","#endif"].join("\n"),s=["PhysicalMaterial material;","material.diffuseColor = diffuseColor.rgb * ( 1. - max( specularFactor.r, max( specularFactor.g, specularFactor.b ) ) );","vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );","float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );","material.roughness = max( 1.0 - glossinessFactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.","material.roughness += geometryRoughness;","material.roughness = min( material.roughness, 1.0 );","material.specularColor = specularFactor;"].join("\n"),a={specular:{value:(new L).setHex(16777215)},glossiness:{value:1},specularMap:{value:null},glossinessMap:{value:null}};this._extraUniforms=a,this.onBeforeCompile=function(t){for(const e in a)t.uniforms[e]=a[e];t.fragmentShader=t.fragmentShader.replace("uniform float roughness;","uniform vec3 specular;").replace("uniform float metalness;","uniform float glossiness;").replace("#include <roughnessmap_pars_fragment>",e).replace("#include <metalnessmap_pars_fragment>",n).replace("#include <roughnessmap_fragment>",i).replace("#include <metalnessmap_fragment>",r).replace("#include <lights_physical_fragment>",s)},Object.defineProperties(this,{specular:{get:function(){return a.specular.value},set:function(t){a.specular.value=t}},specularMap:{get:function(){return a.specularMap.value},set:function(t){a.specularMap.value=t,t?this.defines.USE_SPECULARMAP="":delete this.defines.USE_SPECULARMAP}},glossiness:{get:function(){return a.glossiness.value},set:function(t){a.glossiness.value=t}},glossinessMap:{get:function(){return a.glossinessMap.value},set:function(t){a.glossinessMap.value=t,t?(this.defines.USE_GLOSSINESSMAP="",this.defines.USE_UV=""):(delete this.defines.USE_GLOSSINESSMAP,delete this.defines.USE_UV)}}}),delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this.setValues(t)}copy(t){return super.copy(t),this.specularMap=t.specularMap,this.specular.copy(t.specular),this.glossinessMap=t.glossinessMap,this.glossiness=t.glossiness,delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this}}class Wh{constructor(){this.name=Th.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,this.specularGlossinessParams=["color","map","lightMap","lightMapIntensity","aoMap","aoMapIntensity","emissive","emissiveIntensity","emissiveMap","bumpMap","bumpScale","normalMap","normalMapType","displacementMap","displacementScale","displacementBias","specularMap","specular","glossinessMap","glossiness","alphaMap","envMap","envMapIntensity"]}getMaterialType(){return Gh}extendParams(t,e,n){const i=e.extensions[this.name];t.color=new L(1,1,1),t.opacity=1;const r=[];if(Array.isArray(i.diffuseFactor)){const e=i.diffuseFactor;t.color.fromArray(e),t.opacity=e[3]}if(void 0!==i.diffuseTexture&&r.push(n.assignTexture(t,"map",i.diffuseTexture,3001)),t.emissive=new L(0,0,0),t.glossiness=void 0!==i.glossinessFactor?i.glossinessFactor:1,t.specular=new L(1,1,1),Array.isArray(i.specularFactor)&&t.specular.fromArray(i.specularFactor),void 0!==i.specularGlossinessTexture){const e=i.specularGlossinessTexture;r.push(n.assignTexture(t,"glossinessMap",e)),r.push(n.assignTexture(t,"specularMap",e,3001))}return Promise.all(r)}createMaterial(t){const e=new Gh(t);return e.fog=!0,e.color=t.color,e.map=void 0===t.map?null:t.map,e.lightMap=null,e.lightMapIntensity=1,e.aoMap=void 0===t.aoMap?null:t.aoMap,e.aoMapIntensity=1,e.emissive=t.emissive,e.emissiveIntensity=1,e.emissiveMap=void 0===t.emissiveMap?null:t.emissiveMap,e.bumpMap=void 0===t.bumpMap?null:t.bumpMap,e.bumpScale=1,e.normalMap=void 0===t.normalMap?null:t.normalMap,e.normalMapType=0,t.normalScale&&(e.normalScale=t.normalScale),e.displacementMap=null,e.displacementScale=1,e.displacementBias=0,e.specularMap=void 0===t.specularMap?null:t.specularMap,e.specular=t.specular,e.glossinessMap=void 0===t.glossinessMap?null:t.glossinessMap,e.glossiness=t.glossiness,e.alphaMap=null,e.envMap=void 0===t.envMap?null:t.envMap,e.envMapIntensity=1,e}}class jh{constructor(){this.name=Th.KHR_MESH_QUANTIZATION}}class qh extends qa{constructor(t,e,n,i){super(t,e,n,i)}copySampleValue_(t){const e=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=t*i*3+i;for(let t=0;t!==i;t++)e[t]=n[r+t];return e}}qh.prototype.beforeStart_=qh.prototype.copySampleValue_,qh.prototype.afterEnd_=qh.prototype.copySampleValue_,qh.prototype.interpolate_=function(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=2*a,l=3*a,h=i-e,c=(n-e)/h,u=c*c,d=u*c,p=t*l,m=p-l,f=-2*d+3*u,g=d-u,v=1-f,y=g-u+c;for(let t=0;t!==a;t++){const e=s[m+t+a],n=s[m+t+o]*h,i=s[p+t+a],l=s[p+t]*h;r[t]=v*e+y*n+f*i+g*l}return r};const Xh=new H;class $h extends qh{interpolate_(t,e,n,i){const r=super.interpolate_(t,e,n,i);return Xh.fromArray(r).normalize().toArray(r),r}}const Yh=0,Jh=1,Kh=2,Zh=3,Qh=4,tc=5,ec=6,nc={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},ic={9728:1003,9729:1006,9984:1004,9985:1007,9986:1005,9987:1008},rc={33071:1001,33648:1002,10497:1e3},sc={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},ac={POSITION:"position",NORMAL:"normal",TANGENT:"tangent",TEXCOORD_0:"uv",TEXCOORD_1:"uv2",COLOR_0:"color",WEIGHTS_0:"skinWeight",JOINTS_0:"skinIndex"},oc={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphTargetInfluences"},lc={CUBICSPLINE:void 0,LINEAR:2301,STEP:2300},hc="OPAQUE",cc="MASK",uc="BLEND";function dc(t){return void 0===t.DefaultMaterial&&(t.DefaultMaterial=new Fa({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:0})),t.DefaultMaterial}function pc(t,e,n){for(const i in n.extensions)void 0===t[i]&&(e.userData.gltfExtensions=e.userData.gltfExtensions||{},e.userData.gltfExtensions[i]=n.extensions[i])}function mc(t,e){void 0!==e.extras&&("object"==typeof e.extras?Object.assign(t.userData,e.extras):console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, "+e.extras))}function fc(t,e){if(t.updateMorphTargets(),void 0!==e.weights)for(let n=0,i=e.weights.length;n<i;n++)t.morphTargetInfluences[n]=e.weights[n];if(e.extras&&Array.isArray(e.extras.targetNames)){const n=e.extras.targetNames;if(t.morphTargetInfluences.length===n.length){t.morphTargetDictionary={};for(let e=0,i=n.length;e<i;e++)t.morphTargetDictionary[n[e]]=e}else console.warn("THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.")}}function gc(t){const e=t.extensions&&t.extensions[Th.KHR_DRACO_MESH_COMPRESSION];let n;return n=e?"draco:"+e.bufferView+":"+e.indices+":"+vc(e.attributes):t.indices+":"+vc(t.attributes)+":"+t.mode,n}function vc(t){let e="";const n=Object.keys(t).sort();for(let i=0,r=n.length;i<r;i++)e+=n[i]+":"+t[n[i]]+";";return e}function yc(t){switch(t){case Int8Array:return 1/127;case Uint8Array:return 1/255;case Int16Array:return 1/32767;case Uint16Array:return 1/65535;default:throw new Error("THREE.GLTFLoader: Unsupported normalized accessor component type.")}}class xc{constructor(t={},e={}){this.json=t,this.extensions={},this.plugins={},this.options=e,this.cache=new Sh,this.associations=new Map,this.primitiveCache={},this.meshCache={refs:{},uses:{}},this.cameraCache={refs:{},uses:{}},this.lightCache={refs:{},uses:{}},this.sourceCache={},this.textureCache={},this.nodeNamesUsed={},"undefined"!=typeof createImageBitmap&&!1===/^((?!chrome|android).)*safari/i.test(navigator.userAgent)?this.textureLoader=new Io(this.options.manager):this.textureLoader=new fo(this.options.manager),this.textureLoader.setCrossOrigin(this.options.crossOrigin),this.textureLoader.setRequestHeader(this.options.requestHeader),this.fileLoader=new co(this.options.manager),this.fileLoader.setResponseType("arraybuffer"),"use-credentials"===this.options.crossOrigin&&this.fileLoader.setWithCredentials(!0)}setExtensions(t){this.extensions=t}setPlugins(t){this.plugins=t}parse(t,e){const n=this,i=this.json,r=this.extensions;this.cache.removeAll(),this._invokeAll((function(t){return t._markDefs&&t._markDefs()})),Promise.all(this._invokeAll((function(t){return t.beforeRoot&&t.beforeRoot()}))).then((function(){return Promise.all([n.getDependencies("scene"),n.getDependencies("animation"),n.getDependencies("camera")])})).then((function(e){const s={scene:e[0][i.scene||0],scenes:e[0],animations:e[1],cameras:e[2],asset:i.asset,parser:n,userData:{}};pc(r,s,i),mc(s,i),Promise.all(n._invokeAll((function(t){return t.afterRoot&&t.afterRoot(s)}))).then((function(){t(s)}))})).catch(e)}_markDefs(){const t=this.json.nodes||[],e=this.json.skins||[],n=this.json.meshes||[];for(let n=0,i=e.length;n<i;n++){const i=e[n].joints;for(let e=0,n=i.length;e<n;e++)t[i[e]].isBone=!0}for(let e=0,i=t.length;e<i;e++){const i=t[e];void 0!==i.mesh&&(this._addNodeRef(this.meshCache,i.mesh),void 0!==i.skin&&(n[i.mesh].isSkinnedMesh=!0)),void 0!==i.camera&&this._addNodeRef(this.cameraCache,i.camera)}}_addNodeRef(t,e){void 0!==e&&(void 0===t.refs[e]&&(t.refs[e]=t.uses[e]=0),t.refs[e]++)}_getNodeRef(t,e,n){if(t.refs[e]<=1)return n;const i=n.clone(),r=(t,e)=>{const n=this.associations.get(t);null!=n&&this.associations.set(e,n);for(const[n,i]of t.children.entries())r(i,e.children[n])};return r(n,i),i.name+="_instance_"+t.uses[e]++,i}_invokeOne(t){const e=Object.values(this.plugins);e.push(this);for(let n=0;n<e.length;n++){const i=t(e[n]);if(i)return i}return null}_invokeAll(t){const e=Object.values(this.plugins);e.unshift(this);const n=[];for(let i=0;i<e.length;i++){const r=t(e[i]);r&&n.push(r)}return n}getDependency(t,e){const n=t+":"+e;let i=this.cache.get(n);if(!i){switch(t){case"scene":i=this.loadScene(e);break;case"node":i=this.loadNode(e);break;case"mesh":i=this._invokeOne((function(t){return t.loadMesh&&t.loadMesh(e)}));break;case"accessor":i=this.loadAccessor(e);break;case"bufferView":i=this._invokeOne((function(t){return t.loadBufferView&&t.loadBufferView(e)}));break;case"buffer":i=this.loadBuffer(e);break;case"material":i=this._invokeOne((function(t){return t.loadMaterial&&t.loadMaterial(e)}));break;case"texture":i=this._invokeOne((function(t){return t.loadTexture&&t.loadTexture(e)}));break;case"skin":i=this.loadSkin(e);break;case"animation":i=this.loadAnimation(e);break;case"camera":i=this.loadCamera(e);break;default:throw new Error("Unknown type: "+t)}this.cache.add(n,i)}return i}getDependencies(t){let e=this.cache.get(t);if(!e){const n=this,i=this.json[t+("mesh"===t?"es":"s")]||[];e=Promise.all(i.map((function(e,i){return n.getDependency(t,i)}))),this.cache.add(t,e)}return e}loadBuffer(t){const e=this.json.buffers[t],n=this.fileLoader;if(e.type&&"arraybuffer"!==e.type)throw new Error("THREE.GLTFLoader: "+e.type+" buffer type is not supported.");if(void 0===e.uri&&0===t)return Promise.resolve(this.extensions[Th.KHR_BINARY_GLTF].body);const i=this.options;return new Promise((function(t,r){n.load(Do.resolveURL(e.uri,i.path),t,void 0,(function(){r(new Error('THREE.GLTFLoader: Failed to load buffer "'+e.uri+'".'))}))}))}loadBufferView(t){const e=this.json.bufferViews[t];return this.getDependency("buffer",e.buffer).then((function(t){const n=e.byteLength||0,i=e.byteOffset||0;return t.slice(i,i+n)}))}loadAccessor(t){const e=this,n=this.json,i=this.json.accessors[t];if(void 0===i.bufferView&&void 0===i.sparse)return Promise.resolve(null);const r=[];return void 0!==i.bufferView?r.push(this.getDependency("bufferView",i.bufferView)):r.push(null),void 0!==i.sparse&&(r.push(this.getDependency("bufferView",i.sparse.indices.bufferView)),r.push(this.getDependency("bufferView",i.sparse.values.bufferView))),Promise.all(r).then((function(t){const r=t[0],s=sc[i.type],a=nc[i.componentType],o=a.BYTES_PER_ELEMENT,l=o*s,h=i.byteOffset||0,c=void 0!==i.bufferView?n.bufferViews[i.bufferView].byteStride:void 0,u=!0===i.normalized;let d,p;if(c&&c!==l){const t=Math.floor(h/c),n="InterleavedBuffer:"+i.bufferView+":"+i.componentType+":"+t+":"+i.count;let l=e.cache.get(n);l||(d=new a(r,t*c,i.count*c/o),l=new Fr(d,c/o),e.cache.add(n,l)),p=new kr(l,s,h%c/o,u)}else d=null===r?new a(i.count*s):new a(r,h,i.count*s),p=new oe(d,s,u);if(void 0!==i.sparse){const e=sc.SCALAR,n=nc[i.sparse.indices.componentType],o=i.sparse.indices.byteOffset||0,l=i.sparse.values.byteOffset||0,h=new n(t[1],o,i.sparse.count*e),c=new a(t[2],l,i.sparse.count*s);null!==r&&(p=new oe(p.array.slice(),p.itemSize,p.normalized));for(let t=0,e=h.length;t<e;t++){const e=h[t];if(p.setX(e,c[t*s]),s>=2&&p.setY(e,c[t*s+1]),s>=3&&p.setZ(e,c[t*s+2]),s>=4&&p.setW(e,c[t*s+3]),s>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}}return p}))}loadTexture(t){const e=this.json,n=this.options,i=e.textures[t].source,r=e.images[i];let s=this.textureLoader;if(r.uri){const t=n.manager.getHandler(r.uri);null!==t&&(s=t)}return this.loadTextureImage(t,i,s)}loadTextureImage(t,e,n){const i=this,r=this.json,s=r.textures[t],a=r.images[e],o=(a.uri||a.bufferView)+":"+s.sampler;if(this.textureCache[o])return this.textureCache[o];const l=this.loadImageSource(e,n).then((function(e){e.flipY=!1,s.name&&(e.name=s.name);const n=(r.samplers||{})[s.sampler]||{};return e.magFilter=ic[n.magFilter]||1006,e.minFilter=ic[n.minFilter]||1008,e.wrapS=rc[n.wrapS]||1e3,e.wrapT=rc[n.wrapT]||1e3,i.associations.set(e,{textures:t}),e})).catch((function(){return null}));return this.textureCache[o]=l,l}loadImageSource(t,e){const n=this,i=this.json,r=this.options;if(void 0!==this.sourceCache[t])return this.sourceCache[t].then((t=>t.clone()));const s=i.images[t],a=self.URL||self.webkitURL;let o=s.uri||"",l=!1;if(void 0!==s.bufferView)o=n.getDependency("bufferView",s.bufferView).then((function(t){l=!0;const e=new Blob([t],{type:s.mimeType});return o=a.createObjectURL(e),o}));else if(void 0===s.uri)throw new Error("THREE.GLTFLoader: Image "+t+" is missing URI and bufferView");const h=Promise.resolve(o).then((function(t){return new Promise((function(n,i){let s=n;!0===e.isImageBitmapLoader&&(s=function(t){const e=new F(t);e.needsUpdate=!0,n(e)}),e.load(Do.resolveURL(t,r.path),s,void 0,i)}))})).then((function(t){var e;return!0===l&&a.revokeObjectURL(o),t.userData.mimeType=s.mimeType||((e=s.uri).search(/\.jpe?g($|\?)/i)>0||0===e.search(/^data\:image\/jpeg/)?"image/jpeg":e.search(/\.webp($|\?)/i)>0||0===e.search(/^data\:image\/webp/)?"image/webp":"image/png"),t})).catch((function(t){throw console.error("THREE.GLTFLoader: Couldn't load texture",o),t}));return this.sourceCache[t]=h,h}assignTexture(t,e,n,i){const r=this;return this.getDependency("texture",n.index).then((function(s){if(void 0===n.texCoord||0==n.texCoord||"aoMap"===e&&1==n.texCoord||console.warn("THREE.GLTFLoader: Custom UV set "+n.texCoord+" for texture "+e+" not yet supported."),r.extensions[Th.KHR_TEXTURE_TRANSFORM]){const t=void 0!==n.extensions?n.extensions[Th.KHR_TEXTURE_TRANSFORM]:void 0;if(t){const e=r.associations.get(s);s=r.extensions[Th.KHR_TEXTURE_TRANSFORM].extendTexture(s,t),r.associations.set(s,e)}}return void 0!==i&&(s.encoding=i),t[e]=s,s}))}assignFinalMaterial(t){const e=t.geometry;let n=t.material;const i=void 0===e.attributes.tangent,r=void 0!==e.attributes.color,s=void 0===e.attributes.normal;if(t.isPoints){const t="PointsMaterial:"+n.uuid;let e=this.cache.get(t);e||(e=new As,ie.prototype.copy.call(e,n),e.color.copy(n.color),e.map=n.map,e.sizeAttenuation=!1,this.cache.add(t,e)),n=e}else if(t.isLine){const t="LineBasicMaterial:"+n.uuid;let e=this.cache.get(t);e||(e=new gs,ie.prototype.copy.call(e,n),e.color.copy(n.color),this.cache.add(t,e)),n=e}if(i||r||s){let t="ClonedMaterial:"+n.uuid+":";n.isGLTFSpecularGlossinessMaterial&&(t+="specular-glossiness:"),i&&(t+="derivative-tangents:"),r&&(t+="vertex-colors:"),s&&(t+="flat-shading:");let e=this.cache.get(t);e||(e=n.clone(),r&&(e.vertexColors=!0),s&&(e.flatShading=!0),i&&(e.normalScale&&(e.normalScale.y*=-1),e.clearcoatNormalScale&&(e.clearcoatNormalScale.y*=-1)),this.cache.add(t,e),this.associations.set(e,this.associations.get(n))),n=e}n.aoMap&&void 0===e.attributes.uv2&&void 0!==e.attributes.uv&&e.setAttribute("uv2",e.attributes.uv),t.material=n}getMaterialType(){return Fa}loadMaterial(t){const e=this,n=this.json,i=this.extensions,r=n.materials[t];let s;const a={},o=r.extensions||{},l=[];if(o[Th.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS]){const t=i[Th.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS];s=t.getMaterialType(),l.push(t.extendParams(a,r,e))}else if(o[Th.KHR_MATERIALS_UNLIT]){const t=i[Th.KHR_MATERIALS_UNLIT];s=t.getMaterialType(),l.push(t.extendParams(a,r,e))}else{const n=r.pbrMetallicRoughness||{};if(a.color=new L(1,1,1),a.opacity=1,Array.isArray(n.baseColorFactor)){const t=n.baseColorFactor;a.color.fromArray(t),a.opacity=t[3]}void 0!==n.baseColorTexture&&l.push(e.assignTexture(a,"map",n.baseColorTexture,3001)),a.metalness=void 0!==n.metallicFactor?n.metallicFactor:1,a.roughness=void 0!==n.roughnessFactor?n.roughnessFactor:1,void 0!==n.metallicRoughnessTexture&&(l.push(e.assignTexture(a,"metalnessMap",n.metallicRoughnessTexture)),l.push(e.assignTexture(a,"roughnessMap",n.metallicRoughnessTexture))),s=this._invokeOne((function(e){return e.getMaterialType&&e.getMaterialType(t)})),l.push(Promise.all(this._invokeAll((function(e){return e.extendMaterialParams&&e.extendMaterialParams(t,a)}))))}!0===r.doubleSided&&(a.side=2);const h=r.alphaMode||hc;if(h===uc?(a.transparent=!0,a.depthWrite=!1):(a.transparent=!1,h===cc&&(a.alphaTest=void 0!==r.alphaCutoff?r.alphaCutoff:.5)),void 0!==r.normalTexture&&s!==re&&(l.push(e.assignTexture(a,"normalMap",r.normalTexture)),a.normalScale=new g(1,1),void 0!==r.normalTexture.scale)){const t=r.normalTexture.scale;a.normalScale.set(t,t)}return void 0!==r.occlusionTexture&&s!==re&&(l.push(e.assignTexture(a,"aoMap",r.occlusionTexture)),void 0!==r.occlusionTexture.strength&&(a.aoMapIntensity=r.occlusionTexture.strength)),void 0!==r.emissiveFactor&&s!==re&&(a.emissive=(new L).fromArray(r.emissiveFactor)),void 0!==r.emissiveTexture&&s!==re&&l.push(e.assignTexture(a,"emissiveMap",r.emissiveTexture,3001)),Promise.all(l).then((function(){let n;return n=s===Gh?i[Th.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].createMaterial(a):new s(a),r.name&&(n.name=r.name),mc(n,r),e.associations.set(n,{materials:t}),r.extensions&&pc(i,n,r),n}))}createUniqueName(t){const e=qo.sanitizeNodeName(t||"");let n=e;for(let t=1;this.nodeNamesUsed[n];++t)n=e+"_"+t;return this.nodeNamesUsed[n]=!0,n}loadGeometries(t){const e=this,n=this.extensions,i=this.primitiveCache;function r(t){return n[Th.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(t,e).then((function(n){return _c(n,t,e)}))}const s=[];for(let n=0,a=t.length;n<a;n++){const a=t[n],o=gc(a),l=i[o];if(l)s.push(l.promise);else{let t;t=a.extensions&&a.extensions[Th.KHR_DRACO_MESH_COMPRESSION]?r(a):_c(new ye,a,e),i[o]={primitive:a,promise:t},s.push(t)}}return Promise.all(s)}loadMesh(t){const e=this,n=this.json,i=this.extensions,r=n.meshes[t],s=r.primitives,a=[];for(let t=0,e=s.length;t<e;t++){const e=void 0===s[t].material?dc(this.cache):this.getDependency("material",s[t].material);a.push(e)}return a.push(e.loadGeometries(s)),Promise.all(a).then((function(n){const a=n.slice(0,n.length-1),o=n[n.length-1],l=[];for(let n=0,h=o.length;n<h;n++){const h=o[n],c=s[n];let u;const d=a[n];if(c.mode===Qh||c.mode===tc||c.mode===ec||void 0===c.mode)u=!0===r.isSkinnedMesh?new ss(h,d):new Fe(h,d),!0!==u.isSkinnedMesh||u.geometry.attributes.skinWeight.normalized||u.normalizeSkinWeights(),c.mode===tc?u.geometry=wc(u.geometry,1):c.mode===ec&&(u.geometry=wc(u.geometry,2));else if(c.mode===Jh)u=new Ts(h,d);else if(c.mode===Zh)u=new ws(h,d);else if(c.mode===Kh)u=new Es(h,d);else{if(c.mode!==Yh)throw new Error("THREE.GLTFLoader: Primitive mode unsupported: "+c.mode);u=new Ds(h,d)}Object.keys(u.geometry.morphAttributes).length>0&&fc(u,r),u.name=e.createUniqueName(r.name||"mesh_"+t),mc(u,r),c.extensions&&pc(i,u,c),e.assignFinalMaterial(u),l.push(u)}for(let n=0,i=l.length;n<i;n++)e.associations.set(l[n],{meshes:t,primitives:n});if(1===l.length)return l[0];const h=new Rr;e.associations.set(h,{meshes:t});for(let t=0,e=l.length;t<e;t++)h.add(l[t]);return h}))}loadCamera(t){let e;const n=this.json.cameras[t],i=n[n.type];if(i)return"perspective"===n.type?e=new We(f.radToDeg(i.yfov),i.aspectRatio||1,i.znear||1,i.zfar||2e6):"orthographic"===n.type&&(e=new mn(-i.xmag,i.xmag,i.ymag,-i.ymag,i.znear,i.zfar)),n.name&&(e.name=this.createUniqueName(n.name)),mc(e,n),Promise.resolve(e);console.warn("THREE.GLTFLoader: Missing camera parameters.")}loadSkin(t){const e=this.json.skins[t],n={joints:e.joints};return void 0===e.inverseBindMatrices?Promise.resolve(n):this.getDependency("accessor",e.inverseBindMatrices).then((function(t){return n.inverseBindMatrices=t,n}))}loadAnimation(t){const e=this.json.animations[t],n=[],i=[],r=[],s=[],a=[];for(let t=0,o=e.channels.length;t<o;t++){const o=e.channels[t],l=e.samplers[o.sampler],h=o.target,c=void 0!==h.node?h.node:h.id,u=void 0!==e.parameters?e.parameters[l.input]:l.input,d=void 0!==e.parameters?e.parameters[l.output]:l.output;n.push(this.getDependency("node",c)),i.push(this.getDependency("accessor",u)),r.push(this.getDependency("accessor",d)),s.push(l),a.push(h)}return Promise.all([Promise.all(n),Promise.all(i),Promise.all(r),Promise.all(s),Promise.all(a)]).then((function(n){const i=n[0],r=n[1],s=n[2],a=n[3],o=n[4],l=[];for(let t=0,e=i.length;t<e;t++){const e=i[t],n=r[t],h=s[t],c=a[t],u=o[t];if(void 0===e)continue;let d;switch(e.updateMatrix(),e.matrixAutoUpdate=!0,oc[u.path]){case oc.weights:d=Qa;break;case oc.rotation:d=eo;break;default:d=io}const p=e.name?e.name:e.uuid,m=void 0!==c.interpolation?lc[c.interpolation]:2301,f=[];oc[u.path]===oc.weights?e.traverse((function(t){t.morphTargetInfluences&&f.push(t.name?t.name:t.uuid)})):f.push(p);let g=h.array;if(h.normalized){const t=yc(g.constructor),e=new Float32Array(g.length);for(let n=0,i=g.length;n<i;n++)e[n]=g[n]*t;g=e}for(let t=0,e=f.length;t<e;t++){const e=new d(f[t]+"."+oc[u.path],n.array,g,m);"CUBICSPLINE"===c.interpolation&&(e.createInterpolant=function(t){return new(this instanceof eo?$h:qh)(this.times,this.values,this.getValueSize()/3,t)},e.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline=!0),l.push(e)}}const h=e.name?e.name:"animation_"+t;return new ro(h,void 0,l)}))}createNodeMesh(t){const e=this.json,n=this,i=e.nodes[t];return void 0===i.mesh?null:n.getDependency("mesh",i.mesh).then((function(t){const e=n._getNodeRef(n.meshCache,i.mesh,t);return void 0!==i.weights&&e.traverse((function(t){if(t.isMesh)for(let e=0,n=i.weights.length;e<n;e++)t.morphTargetInfluences[e]=i.weights[e]})),e}))}loadNode(t){const e=this.json,n=this.extensions,i=this,r=e.nodes[t],s=r.name?i.createUniqueName(r.name):"";return function(){const e=[],n=i._invokeOne((function(e){return e.createNodeMesh&&e.createNodeMesh(t)}));return n&&e.push(n),void 0!==r.camera&&e.push(i.getDependency("camera",r.camera).then((function(t){return i._getNodeRef(i.cameraCache,r.camera,t)}))),i._invokeAll((function(e){return e.createNodeAttachment&&e.createNodeAttachment(t)})).forEach((function(t){e.push(t)})),Promise.all(e)}().then((function(e){let a;if(a=!0===r.isBone?new as:e.length>1?new Rr:1===e.length?e[0]:new Wt,a!==e[0])for(let t=0,n=e.length;t<n;t++)a.add(e[t]);if(r.name&&(a.userData.name=r.name,a.name=s),mc(a,r),r.extensions&&pc(n,a,r),void 0!==r.matrix){const t=new xt;t.fromArray(r.matrix),a.applyMatrix4(t)}else void 0!==r.translation&&a.position.fromArray(r.translation),void 0!==r.rotation&&a.quaternion.fromArray(r.rotation),void 0!==r.scale&&a.scale.fromArray(r.scale);return i.associations.has(a)||i.associations.set(a,{}),i.associations.get(a).nodes=t,a}))}loadScene(t){const e=this.json,n=this.extensions,i=this.json.scenes[t],r=this,s=new Rr;i.name&&(s.name=r.createUniqueName(i.name)),mc(s,i),i.extensions&&pc(n,s,i);const a=i.nodes||[],o=[];for(let t=0,n=a.length;t<n;t++)o.push(bc(a[t],s,e,r));return Promise.all(o).then((function(){return r.associations=(t=>{const e=new Map;for(const[t,n]of r.associations)(t instanceof ie||t instanceof F)&&e.set(t,n);return t.traverse((t=>{const n=r.associations.get(t);null!=n&&e.set(t,n)})),e})(s),s}))}}function bc(t,e,n,i){const r=n.nodes[t];return i.getDependency("node",t).then((function(t){if(void 0===r.skin)return t;let e;return i.getDependency("skin",r.skin).then((function(t){e=t;const n=[];for(let t=0,r=e.joints.length;t<r;t++)n.push(i.getDependency("node",e.joints[t]));return Promise.all(n)})).then((function(n){return t.traverse((function(t){if(!t.isMesh)return;const i=[],r=[];for(let t=0,s=n.length;t<s;t++){const s=n[t];if(s){i.push(s);const n=new xt;void 0!==e.inverseBindMatrices&&n.fromArray(e.inverseBindMatrices.array,16*t),r.push(n)}else console.warn('THREE.GLTFLoader: Joint "%s" could not be found.',e.joints[t])}t.bind(new cs(i,r),t.matrixWorld)})),t}))})).then((function(t){e.add(t);const s=[];if(r.children){const e=r.children;for(let r=0,a=e.length;r<a;r++){const a=e[r];s.push(bc(a,t,n,i))}}return Promise.all(s)}))}function _c(t,e,n){const i=e.attributes,r=[];function s(e,i){return n.getDependency("accessor",e).then((function(e){t.setAttribute(i,e)}))}for(const e in i){const n=ac[e]||e.toLowerCase();n in t.attributes||r.push(s(i[e],n))}if(void 0!==e.indices&&!t.index){const i=n.getDependency("accessor",e.indices).then((function(e){t.setIndex(e)}));r.push(i)}return mc(t,e),function(t,e,n){const i=e.attributes,r=new j;if(void 0===i.POSITION)return;{const t=n.json.accessors[i.POSITION],e=t.min,s=t.max;if(void 0===e||void 0===s)return void console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.");if(r.set(new V(e[0],e[1],e[2]),new V(s[0],s[1],s[2])),t.normalized){const e=yc(nc[t.componentType]);r.min.multiplyScalar(e),r.max.multiplyScalar(e)}}const s=e.targets;if(void 0!==s){const t=new V,e=new V;for(let i=0,r=s.length;i<r;i++){const r=s[i];if(void 0!==r.POSITION){const i=n.json.accessors[r.POSITION],s=i.min,a=i.max;if(void 0!==s&&void 0!==a){if(e.setX(Math.max(Math.abs(s[0]),Math.abs(a[0]))),e.setY(Math.max(Math.abs(s[1]),Math.abs(a[1]))),e.setZ(Math.max(Math.abs(s[2]),Math.abs(a[2]))),i.normalized){const t=yc(nc[i.componentType]);e.multiplyScalar(t)}t.max(e)}else console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.")}}r.expandByVector(t)}t.boundingBox=r;const a=new ct;r.getCenter(a.center),a.radius=r.min.distanceTo(r.max)/2,t.boundingSphere=a}(t,e,n),Promise.all(r).then((function(){return void 0!==e.targets?function(t,e,n){let i=!1,r=!1,s=!1;for(let t=0,n=e.length;t<n;t++){const n=e[t];if(void 0!==n.POSITION&&(i=!0),void 0!==n.NORMAL&&(r=!0),void 0!==n.COLOR_0&&(s=!0),i&&r&&s)break}if(!i&&!r&&!s)return Promise.resolve(t);const a=[],o=[],l=[];for(let h=0,c=e.length;h<c;h++){const c=e[h];if(i){const e=void 0!==c.POSITION?n.getDependency("accessor",c.POSITION):t.attributes.position;a.push(e)}if(r){const e=void 0!==c.NORMAL?n.getDependency("accessor",c.NORMAL):t.attributes.normal;o.push(e)}if(s){const e=void 0!==c.COLOR_0?n.getDependency("accessor",c.COLOR_0):t.attributes.color;l.push(e)}}return Promise.all([Promise.all(a),Promise.all(o),Promise.all(l)]).then((function(e){const n=e[0],a=e[1],o=e[2];return i&&(t.morphAttributes.position=n),r&&(t.morphAttributes.normal=a),s&&(t.morphAttributes.color=o),t.morphTargetsRelative=!0,t}))}(t,e.targets,n):t}))}function wc(t,e){let n=t.getIndex();if(null===n){const e=[],i=t.getAttribute("position");if(void 0===i)return console.error("THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible."),t;for(let t=0;t<i.count;t++)e.push(t);t.setIndex(e),n=t.getIndex()}const i=n.count-2,r=[];if(2===e)for(let t=1;t<=i;t++)r.push(n.getX(0)),r.push(n.getX(t)),r.push(n.getX(t+1));else for(let t=0;t<i;t++)t%2==0?(r.push(n.getX(t)),r.push(n.getX(t+1)),r.push(n.getX(t+2))):(r.push(n.getX(t+2)),r.push(n.getX(t+1)),r.push(n.getX(t)));r.length/3!==i&&console.error("THREE.GLTFLoader.toTrianglesDrawMode(): Unable to generate correct amount of triangles.");const s=t.clone();return s.setIndex(r),s}class Mc{constructor(t=4){this.pool=t,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(t){if(!this.workers[t]){const e=this.workerCreator();e.addEventListener("message",this._onMessage.bind(this,t)),this.workers[t]=e}}_getIdleWorker(){for(let t=0;t<this.pool;t++)if(!(this.workerStatus&1<<t))return t;return-1}_onMessage(t,e){const n=this.workersResolve[t];if(n&&n(e),this.queue.length){const{resolve:e,msg:n,transfer:i}=this.queue.shift();this.workersResolve[t]=e,this.workers[t].postMessage(n,i)}else this.workerStatus^=1<<t}setWorkerCreator(t){this.workerCreator=t}setWorkerLimit(t){this.pool=t}postMessage(t,e){return new Promise((n=>{const i=this._getIdleWorker();-1!==i?(this._initWorker(i),this.workerStatus|=1<<i,this.workersResolve[i]=n,this.workers[i].postMessage(t,e)):this.queue.push({resolve:n,msg:t,transfer:e})}))}dispose(){this.workers.forEach((t=>t.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}const Sc=new WeakMap;let Tc=0;class Ec extends lo{constructor(t){super(t),this.transcoderPath="",this.transcoderBinary=null,this.transcoderPending=null,this.workerPool=new Mc,this.workerSourceURL="",this.workerConfig=null,"undefined"!=typeof MSC_TRANSCODER&&console.warn('THREE.KTX2Loader: Please update to latest "basis_transcoder". "msc_basis_transcoder" is no longer supported in three.js r125+.')}setTranscoderPath(t){return this.transcoderPath=t,this}setWorkerLimit(t){return this.workerPool.setWorkerLimit(t),this}detectSupport(t){return this.workerConfig={astcSupported:t.extensions.has("WEBGL_compressed_texture_astc"),etc1Supported:t.extensions.has("WEBGL_compressed_texture_etc1"),etc2Supported:t.extensions.has("WEBGL_compressed_texture_etc"),dxtSupported:t.extensions.has("WEBGL_compressed_texture_s3tc"),bptcSupported:t.extensions.has("EXT_texture_compression_bptc"),pvrtcSupported:t.extensions.has("WEBGL_compressed_texture_pvrtc")||t.extensions.has("WEBKIT_WEBGL_compressed_texture_pvrtc")},t.capabilities.isWebGL2&&(this.workerConfig.etc1Supported=!1),this}init(){if(!this.transcoderPending){const t=new co(this.manager);t.setPath(this.transcoderPath),t.setWithCredentials(this.withCredentials);const e=t.loadAsync("basis_transcoder.js"),n=new co(this.manager);n.setPath(this.transcoderPath),n.setResponseType("arraybuffer"),n.setWithCredentials(this.withCredentials);const i=n.loadAsync("basis_transcoder.wasm");this.transcoderPending=Promise.all([e,i]).then((([t,e])=>{const n=Ec.BasisWorker.toString(),i=["/* constants */","let _EngineFormat = "+JSON.stringify(Ec.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(Ec.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(Ec.BasisFormat),"/* basis_transcoder.js */",t,"/* worker */",n.substring(n.indexOf("{")+1,n.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([i])),this.transcoderBinary=e,this.workerPool.setWorkerCreator((()=>{const t=new Worker(this.workerSourceURL),e=this.transcoderBinary.slice(0);return t.postMessage({type:"init",config:this.workerConfig,transcoderBinary:e},[e]),t}))})),Tc>0&&console.warn("THREE.KTX2Loader: Multiple active KTX2 loaders may cause performance issues. Use a single KTX2Loader instance, or call .dispose() on old instances."),Tc++}return this.transcoderPending}load(t,e,n,i){if(null===this.workerConfig)throw new Error("THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.");const r=new co(this.manager);r.setResponseType("arraybuffer"),r.setWithCredentials(this.withCredentials);const s=new Os;return r.load(t,(t=>{if(Sc.has(t)){return Sc.get(t).promise.then(e).catch(i)}this._createTexture([t]).then((function(t){s.copy(t),s.needsUpdate=!0,e&&e(s)})).catch(i)}),n,i),s}_createTextureFrom(t){const{mipmaps:e,width:n,height:i,format:r,type:s,error:a,dfdTransferFn:o,dfdFlags:l}=t;if("error"===s)return Promise.reject(a);const h=new Os(e,n,i,r,1009);return h.minFilter=1===e.length?1006:1008,h.magFilter=1006,h.generateMipmaps=!1,h.needsUpdate=!0,h.encoding=2===o?3001:3e3,h.premultiplyAlpha=!!(1&l),h}_createTexture(t,e={}){const n=e,i=this.init().then((()=>this.workerPool.postMessage({type:"transcode",buffers:t,taskConfig:n},t))).then((t=>this._createTextureFrom(t.data)));return Sc.set(t[0],{promise:i}),i}dispose(){return this.workerPool.dispose(),this.workerSourceURL&&URL.revokeObjectURL(this.workerSourceURL),Tc--,this}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var Ac,Rc;Ec.BasisFormat={ETC1S:0,UASTC_4x4:1},Ec.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},Ec.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},Ec.BasisWorker=function(){let t,e,n;const i=_EngineFormat,r=_TranscoderFormat,s=_BasisFormat;self.addEventListener("message",(function(a){const c=a.data;switch(c.type){case"init":t=c.config,u=c.transcoderBinary,e=new Promise((t=>{n={wasmBinary:u,onRuntimeInitialized:t},BASIS(n)})).then((()=>{n.initializeBasis(),void 0===n.KTX2File&&console.warn("THREE.KTX2Loader: Please update Basis Universal transcoder.")}));break;case"transcode":e.then((()=>{try{const{width:e,height:a,hasAlpha:u,mipmaps:d,format:p,dfdTransferFn:m,dfdFlags:f}=function(e){const a=new n.KTX2File(new Uint8Array(e));function c(){a.close(),a.delete()}if(!a.isValid())throw c(),new Error("THREE.KTX2Loader:\tInvalid or unsupported .ktx2 file");const u=a.isUASTC()?s.UASTC_4x4:s.ETC1S,d=a.getWidth(),p=a.getHeight(),m=a.getLevels(),f=a.getHasAlpha(),g=a.getDFDTransferFunc(),v=a.getDFDFlags(),{transcoderFormat:y,engineFormat:x}=function(e,n,a,c){let u,d;const p=e===s.ETC1S?o:l;for(let i=0;i<p.length;i++){const r=p[i];if(t[r.if]&&(r.basisFormat.includes(e)&&!(c&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||h(n)&&h(a))))return u=r.transcoderFormat[c?1:0],d=r.engineFormat[c?1:0],{transcoderFormat:u,engineFormat:d}}return console.warn("THREE.KTX2Loader: No suitable compressed texture format found. Decoding to RGBA32."),u=r.RGBA32,d=i.RGBAFormat,{transcoderFormat:u,engineFormat:d}}(u,d,p,f);if(!d||!p||!m)throw c(),new Error("THREE.KTX2Loader:\tInvalid texture");if(!a.startTranscoding())throw c(),new Error("THREE.KTX2Loader: .startTranscoding failed");const b=[];for(let t=0;t<m;t++){const e=a.getImageLevelInfo(t,0,0),n=e.origWidth,i=e.origHeight,r=new Uint8Array(a.getImageTranscodedSizeInBytes(t,0,0,y));if(!a.transcodeImage(r,t,0,0,y,0,-1,-1))throw c(),new Error("THREE.KTX2Loader: .transcodeImage failed.");b.push({data:r,width:n,height:i})}return c(),{width:d,height:p,hasAlpha:f,mipmaps:b,format:x,dfdTransferFn:g,dfdFlags:v}}(c.buffers[0]),g=[];for(let t=0;t<d.length;++t)g.push(d[t].data.buffer);self.postMessage({type:"transcode",id:c.id,width:e,height:a,hasAlpha:u,mipmaps:d,format:p,dfdTransferFn:m,dfdFlags:f},g)}catch(t){console.error(t),self.postMessage({type:"error",id:c.id,error:t.message})}}))}var u}));const a=[{if:"astcSupported",basisFormat:[s.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[i.RGBA_ASTC_4x4_Format,i.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[i.RGBA_BPTC_Format,i.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[i.RGB_S3TC_DXT1_Format,i.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[i.RGB_ETC2_Format,i.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[i.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[i.RGB_PVRTC_4BPPV1_Format,i.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],o=a.sort((function(t,e){return t.priorityETC1S-e.priorityETC1S})),l=a.sort((function(t,e){return t.priorityUASTC-e.priorityUASTC}));function h(t){return t<=2||0==(t&t-1)&&0!==t}};const Cc=Symbol("retainerCount"),Lc=Symbol("recentlyUsed"),Pc=Symbol("evict"),Dc=Symbol("evictionThreshold"),Ic=Symbol("cache");class Oc{constructor(t,e=5){this[Ac]=new Map,this[Rc]=[],this[Ic]=t,this[Dc]=e}set evictionThreshold(t){this[Dc]=t,this[Pc]()}get evictionThreshold(){return this[Dc]}get cache(){return this[Ic]}retainerCount(t){return this[Cc].get(t)||0}reset(){this[Cc].clear(),this[Lc]=[]}retain(t){this[Cc].has(t)||this[Cc].set(t,0),this[Cc].set(t,this[Cc].get(t)+1);const e=this[Lc].indexOf(t);-1!==e&&this[Lc].splice(e,1),this[Lc].unshift(t),this[Pc]()}release(t){this[Cc].has(t)&&this[Cc].set(t,Math.max(this[Cc].get(t)-1,0)),this[Pc]()}[(Ac=Cc,Rc=Lc,Pc)](){if(!(this[Lc].length<this[Dc]))for(let t=this[Lc].length-1;t>=this[Dc];--t){const e=this[Lc][t];0===this[Cc].get(e)&&(this[Ic].delete(e),this[Lc].splice(t,1))}}}
/* @license
 * Copyright 2021 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const Nc=t=>{const e=new Map;for(const n of t.mappings)for(const t of n.variants)e.set(t,{material:null,gltfMaterialIndex:n.material});return e};class Fc{constructor(t){this.parser=t,this.name="KHR_materials_variants"}afterRoot(t){const e=this.parser,n=e.json;if(void 0===n.extensions||void 0===n.extensions[this.name])return null;const i=(t=>{const e=[],n=new Set;for(const i of t){let t=i,r=0;for(;n.has(t);)t=i+"."+ ++r;n.add(t),e.push(t)}return e})((n.extensions[this.name].variants||[]).map((t=>t.name)));for(const i of t.scenes)i.traverse((t=>{const i=t;if(!i.isMesh)return;const r=e.associations.get(i);if(null==r||null==r.meshes||null==r.primitives)return;const s=n.meshes[r.meshes].primitives[r.primitives].extensions;s&&s[this.name]&&(i.userData.variantMaterials=Nc(s[this.name]))}));return t.userData.variants=i,Promise.resolve()}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */var Uc,kc;const Bc=new Map,zc=new Map;let Hc;const Vc=new class extends lo{constructor(t){super(t),this.decoderPath="",this.decoderConfig={},this.decoderBinary=null,this.decoderPending=null,this.workerLimit=4,this.workerPool=[],this.workerNextTaskID=1,this.workerSourceURL="",this.defaultAttributeIDs={position:"POSITION",normal:"NORMAL",color:"COLOR",uv:"TEX_COORD"},this.defaultAttributeTypes={position:"Float32Array",normal:"Float32Array",color:"Float32Array",uv:"Float32Array"}}setDecoderPath(t){return this.decoderPath=t,this}setDecoderConfig(t){return this.decoderConfig=t,this}setWorkerLimit(t){return this.workerLimit=t,this}load(t,e,n,i){const r=new co(this.manager);r.setPath(this.path),r.setResponseType("arraybuffer"),r.setRequestHeader(this.requestHeader),r.setWithCredentials(this.withCredentials),r.load(t,(t=>{const n={attributeIDs:this.defaultAttributeIDs,attributeTypes:this.defaultAttributeTypes,useUniqueIDs:!1};this.decodeGeometry(t,n).then(e).catch(i)}),n,i)}decodeDracoFile(t,e,n,i){const r={attributeIDs:n||this.defaultAttributeIDs,attributeTypes:i||this.defaultAttributeTypes,useUniqueIDs:!!n};this.decodeGeometry(t,r).then(e)}decodeGeometry(t,e){for(const t in e.attributeTypes){const n=e.attributeTypes[t];void 0!==n.BYTES_PER_ELEMENT&&(e.attributeTypes[t]=n.name)}const n=JSON.stringify(e);if(_h.has(t)){const e=_h.get(t);if(e.key===n)return e.promise;if(0===t.byteLength)throw new Error("THREE.DRACOLoader: Unable to re-decode a buffer with different settings. Buffer has already been transferred.")}let i;const r=this.workerNextTaskID++,s=t.byteLength,a=this._getWorker(r,s).then((n=>(i=n,new Promise(((n,s)=>{i._callbacks[r]={resolve:n,reject:s},i.postMessage({type:"decode",id:r,taskConfig:e,buffer:t},[t])}))))).then((t=>this._createGeometry(t.geometry)));return a.catch((()=>!0)).then((()=>{i&&r&&this._releaseTask(i,r)})),_h.set(t,{key:n,promise:a}),a}_createGeometry(t){const e=new ye;t.index&&e.setIndex(new oe(t.index.array,1));for(let n=0;n<t.attributes.length;n++){const i=t.attributes[n],r=i.name,s=i.array,a=i.itemSize;e.setAttribute(r,new oe(s,a))}return e}_loadLibrary(t,e){const n=new co(this.manager);return n.setPath(this.decoderPath),n.setResponseType(e),n.setWithCredentials(this.withCredentials),new Promise(((e,i)=>{n.load(t,e,void 0,i)}))}preload(){return this._initDecoder(),this}_initDecoder(){if(this.decoderPending)return this.decoderPending;const t="object"!=typeof WebAssembly||"js"===this.decoderConfig.type,e=[];return t?e.push(this._loadLibrary("draco_decoder.js","text")):(e.push(this._loadLibrary("draco_wasm_wrapper.js","text")),e.push(this._loadLibrary("draco_decoder.wasm","arraybuffer"))),this.decoderPending=Promise.all(e).then((e=>{const n=e[0];t||(this.decoderConfig.wasmBinary=e[1]);const i=wh.toString(),r=["/* draco decoder */",n,"","/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([r]))})),this.decoderPending}_getWorker(t,e){return this._initDecoder().then((()=>{if(this.workerPool.length<this.workerLimit){const t=new Worker(this.workerSourceURL);t._callbacks={},t._taskCosts={},t._taskLoad=0,t.postMessage({type:"init",decoderConfig:this.decoderConfig}),t.onmessage=function(e){const n=e.data;switch(n.type){case"decode":t._callbacks[n.id].resolve(n);break;case"error":t._callbacks[n.id].reject(n);break;default:console.error('THREE.DRACOLoader: Unexpected message, "'+n.type+'"')}},this.workerPool.push(t)}else this.workerPool.sort((function(t,e){return t._taskLoad>e._taskLoad?-1:1}));const n=this.workerPool[this.workerPool.length-1];return n._taskCosts[t]=e,n._taskLoad+=e,n}))}_releaseTask(t,e){t._taskLoad-=t._taskCosts[e],delete t._callbacks[e],delete t._taskCosts[e]}debug(){console.log("Task load: ",this.workerPool.map((t=>t._taskLoad)))}dispose(){for(let t=0;t<this.workerPool.length;++t)this.workerPool[t].terminate();return this.workerPool.length=0,this}};let Gc;const Wc=new Ec;let jc,qc;const Xc=Symbol("loader"),$c=Symbol("evictionPolicy"),Yc=Symbol("GLTFInstance");class Jc extends i{constructor(t){super(),this[kc]=(new Mh).register((t=>new Fc(t))),this[Yc]=t,this[Xc].setDRACOLoader(Vc),this[Xc].setKTX2Loader(Wc)}static setDRACODecoderLocation(t){Hc=t,Vc.setDecoderPath(t)}static getDRACODecoderLocation(){return Hc}static setKTX2TranscoderLocation(t){Gc=t,Wc.setTranscoderPath(t)}static getKTX2TranscoderLocation(){return Gc}static setMeshoptDecoderLocation(t){var e;jc!==t&&(jc=t,qc=(e=t,new Promise(((t,n)=>{const i=document.createElement("script");document.body.appendChild(i),i.onload=t,i.onerror=n,i.async=!0,i.src=e}))).then((()=>MeshoptDecoder.ready)).then((()=>MeshoptDecoder)))}static getMeshoptDecoderLocation(){return jc}static initializeKTX2Loader(t){Wc.detectSupport(t)}static get cache(){return Bc}static clearCache(){Bc.forEach(((t,e)=>{this.delete(e)})),this[$c].reset()}static has(t){return Bc.has(t)}static async delete(t){if(!this.has(t))return;const e=Bc.get(t);zc.delete(t),Bc.delete(t);(await e).dispose()}static hasFinishedLoading(t){return!!zc.get(t)}get[(Uc=$c,kc=Xc,$c)](){return this.constructor[$c]}async preload(t,e,n=(()=>{})){if(this[Xc].setWithCredentials(Jc.withCredentials),this.dispatchEvent({type:"preload",element:e,src:t}),!Bc.has(t)){null!=qc&&this[Xc].setMeshoptDecoder(await qc);const e=((t,e,n=(()=>{}))=>{const i=t=>{const e=t.loaded/t.total;n(Math.max(0,Math.min(1,isFinite(e)?e:1)))};return new Promise(((n,r)=>{e.load(t,n,i,r)}))})(t,this[Xc],(t=>{n(.8*t)})),i=this[Yc],r=e.then((t=>i.prepare(t))).then((t=>(n(.9),new i(t)))).catch((t=>(console.error(t),new i)));Bc.set(t,r)}await Bc.get(t),zc.set(t,!0),n&&n(1)}async load(t,e,n=(()=>{})){await this.preload(t,e,n);const i=await Bc.get(t),r=await i.clone();return this[$c].retain(t),r.dispose=()=>{this[$c].release(t)},r}}Jc[Uc]=new Oc(Jc);class Kc extends Wt{constructor(t=document.createElement("div")){super(),this.element=t,this.element.style.position="absolute",this.element.style.userSelect="none",this.element.setAttribute("draggable",!1),this.addEventListener("removed",(function(){this.traverse((function(t){t.element instanceof Element&&null!==t.element.parentNode&&t.element.parentNode.removeChild(t.element)}))}))}copy(t,e){return super.copy(t,e),this.element=t.element.cloneNode(!0),this}}Kc.prototype.isCSS2DObject=!0;const Zc=new V,Qc=new xt,tu=new xt,eu=new V,nu=new V;class iu{constructor(t={}){const e=this;let n,i,r,s;const a={objects:new WeakMap},o=void 0!==t.element?t.element:document.createElement("div");function l(t,n,i){if(t.isCSS2DObject){Zc.setFromMatrixPosition(t.matrixWorld),Zc.applyMatrix4(tu);const l=!0===t.visible&&Zc.z>=-1&&Zc.z<=1&&!0===t.layers.test(i.layers);if(t.element.style.display=!0===l?"":"none",!0===l){t.onBeforeRender(e,n,i);const a=t.element;/apple/i.test(navigator.vendor)?a.style.transform="translate(-50%,-50%) translate("+Math.round(Zc.x*r+r)+"px,"+Math.round(-Zc.y*s+s)+"px)":a.style.transform="translate(-50%,-50%) translate("+(Zc.x*r+r)+"px,"+(-Zc.y*s+s)+"px)",a.parentNode!==o&&o.appendChild(a),t.onAfterRender(e,n,i)}const c={distanceToCameraSquared:h(i,t)};a.objects.set(t,c)}for(let e=0,r=t.children.length;e<r;e++)l(t.children[e],n,i)}function h(t,e){return eu.setFromMatrixPosition(t.matrixWorld),nu.setFromMatrixPosition(e.matrixWorld),eu.distanceToSquared(nu)}o.style.overflow="hidden",this.domElement=o,this.getSize=function(){return{width:n,height:i}},this.render=function(t,e){!0===t.autoUpdate&&t.updateMatrixWorld(),null===e.parent&&e.updateMatrixWorld(),Qc.copy(e.matrixWorldInverse),tu.multiplyMatrices(e.projectionMatrix,Qc),l(t,t,e),function(t){const e=function(t){const e=[];return t.traverse((function(t){t.isCSS2DObject&&e.push(t)})),e}(t).sort((function(t,e){if(t.renderOrder!==e.renderOrder)return e.renderOrder-t.renderOrder;return a.objects.get(t).distanceToCameraSquared-a.objects.get(e).distanceToCameraSquared})),n=e.length;for(let t=0,i=e.length;t<i;t++)e[t].element.style.zIndex=n-t}(t)},this.setSize=function(t,e){n=t,i=e,r=n/2,s=i/2,o.style.width=t+"px",o.style.height=e+"px"}}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const ru=t=>t&&"null"!==t?au(t):null,su=()=>{if(ph)return;const t=[];throw hh||t.push("WebXR Device API"),ch||t.push("WebXR Hit Test API"),new Error(`The following APIs are required for AR, but are missing in this browser: ${t.join(", ")}`)},au=t=>new URL(t,window.location.toString()).toString(),ou=(t,e)=>{let n=null;return(...i)=>{null!=n&&self.clearTimeout(n),n=self.setTimeout((()=>{n=null,t(...i)}),e)}},lu=(t,e,n)=>Math.max(e,Math.min(n,t)),hu=(()=>{const t=(()=>{var t;if(null===(t=document.documentElement.getAttribute("itemtype"))||void 0===t?void 0:t.includes("schema.org/SearchResultsPage"))return!0;const e=null!=document.head?Array.from(document.head.querySelectorAll("meta")):[];for(const t of e)if("viewport"===t.name)return!0;return!1})();return t||console.warn('No <meta name="viewport"> detected; <model-viewer> will cap pixel density at 1.'),()=>t?window.devicePixelRatio:1})(),cu=(()=>{const t=new RegExp("[?&]model-viewer-debug-mode(&|$)");return()=>self.ModelViewerElement&&self.ModelViewerElement.debugMode||self.location&&self.location.search&&self.location.search.match(t)})(),uu=(t=0)=>new Promise((e=>setTimeout(e,t)));class du{constructor(t=50){this.velocity=0,this.naturalFrequency=0,this.setDecayTime(t)}setDecayTime(t){this.naturalFrequency=1/Math.max(.001,t)}update(t,e,n,i){const r=2e-4*this.naturalFrequency;if(null==t||0===i)return e;if(t===e&&0===this.velocity)return e;if(n<0)return t;const s=t-e,a=this.velocity+this.naturalFrequency*s,o=s+n*a,l=Math.exp(-this.naturalFrequency*n),h=(a-this.naturalFrequency*o)*l,c=-this.naturalFrequency*(h+a*l);return Math.abs(h)<r*Math.abs(i)&&c*s>=0?(this.velocity=0,e):(this.velocity=h,e+o*l)}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const pu=(t,e)=>({type:"number",number:t,unit:e}),mu=(()=>{const t={};return e=>{const n=e;if(n in t)return t[n];const i=[];let r=0;for(;e;){if(++r>1e3){e="";break}const t=fu(e),n=t.nodes[0];if(null==n||0===n.terms.length)break;i.push(n),e=t.remainingInput}return t[n]=i}})(),fu=(()=>{const t=/^(\-\-|[a-z\u0240-\uffff])/i,e=/^([\*\+\/]|[\-]\s)/i,n=/^[\),]/;return i=>{const r=[];for(;i.length&&(i=i.trim(),!n.test(i));)if("("===i[0]){const{nodes:t,remainingInput:e}=xu(i);i=e,r.push({type:"function",name:{type:"ident",value:"calc"},arguments:t})}else if(t.test(i)){const t=gu(i),e=t.nodes[0];if("("===(i=t.remainingInput)[0]){const{nodes:t,remainingInput:n}=xu(i);r.push({type:"function",name:e,arguments:t}),i=n}else r.push(e)}else if(e.test(i))r.push({type:"operator",value:i[0]}),i=i.slice(1);else{const{nodes:t,remainingInput:e}="#"===i[0]?yu(i):vu(i);if(0===t.length)break;r.push(t[0]),i=e}return{nodes:[{type:"expression",terms:r}],remainingInput:i}}})(),gu=(()=>{const t=/[^a-z0-9_\-\u0240-\uffff]/i;return e=>{const n=e.match(t);return{nodes:[{type:"ident",value:null==n?e:e.substr(0,n.index)}],remainingInput:null==n?"":e.substr(n.index)}}})(),vu=(()=>{const t=/[\+\-]?(\d+[\.]\d+|\d+|[\.]\d+)([eE][\+\-]?\d+)?/,e=/^[a-z%]+/i,n=/^(m|mm|cm|rad|deg|[%])$/;return i=>{const r=i.match(t),s=null==r?"0":r[0],a=(i=null==s?i:i.slice(s.length)).match(e);let o=null!=a&&""!==a[0]?a[0]:null;const l=null==a?i:i.slice(o.length);return null==o||n.test(o)||(o=null),{nodes:[{type:"number",number:parseFloat(s)||0,unit:o}],remainingInput:l}}})(),yu=(()=>{const t=/^[a-f0-9]*/i;return e=>{const n=(e=e.slice(1).trim()).match(t);return{nodes:null==n?[]:[{type:"hex",value:n[0]}],remainingInput:null==n?e:e.slice(n[0].length)}}})(),xu=t=>{const e=[];for(t=t.slice(1).trim();t.length;){const n=fu(t);if(e.push(n.nodes[0]),","===(t=n.remainingInput.trim())[0])t=t.slice(1).trim();else if(")"===t[0]){t=t.slice(1);break}}return{nodes:e,remainingInput:t}},bu=Symbol("visitedTypes");class _u{constructor(t){this[bu]=t}walk(t,e){const n=t.slice();for(;n.length;){const t=n.shift();switch(this[bu].indexOf(t.type)>-1&&e(t),t.type){case"expression":n.unshift(...t.terms);break;case"function":n.unshift(t.name,...t.arguments)}}}}const wu=Object.freeze({type:"number",number:0,unit:null}),Mu=(t,e=0)=>{let{number:n,unit:i}=t;if(isFinite(n)){if("rad"===t.unit||null==t.unit)return t}else n=e,i="rad";return{type:"number",number:("deg"===i&&null!=n?n:0)*Math.PI/180,unit:"rad"}},Su=(t,e=0)=>{let n,{number:i,unit:r}=t;if(isFinite(i)){if("m"===t.unit)return t}else i=e,r="m";switch(r){default:n=1;break;case"cm":n=.01;break;case"mm":n=.001}return{type:"number",number:n*i,unit:"m"}},Tu=(()=>{const t=t=>t,e={rad:t,deg:Mu,m:t,mm:Su,cm:Su};return(t,n=wu)=>{isFinite(t.number)||(t.number=n.number,t.unit=n.unit);const{unit:i}=t;if(null==i)return t;const r=e[i];return null==r?n:r(t)}})();
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
class Eu extends Kc{constructor(t){super(document.createElement("div")),this.normal=new V(0,1,0),this.initialized=!1,this.referenceCount=1,this.pivot=document.createElement("div"),this.slot=document.createElement("slot"),this.element.classList.add("annotation-wrapper"),this.slot.name=t.name,this.element.appendChild(this.pivot),this.pivot.appendChild(this.slot),this.updatePosition(t.position),this.updateNormal(t.normal)}get facingCamera(){return!this.element.classList.contains("hide")}show(){this.facingCamera&&this.initialized||this.updateVisibility(!0)}hide(){!this.facingCamera&&this.initialized||this.updateVisibility(!1)}increment(){this.referenceCount++}decrement(){return this.referenceCount>0&&--this.referenceCount,0===this.referenceCount}updatePosition(t){if(null==t)return;const e=mu(t)[0].terms;for(let t=0;t<3;++t)this.position.setComponent(t,Tu(e[t]).number);this.updateMatrixWorld()}updateNormal(t){if(null==t)return;const e=mu(t)[0].terms;for(let t=0;t<3;++t)this.normal.setComponent(t,Tu(e[t]).number)}orient(t){this.pivot.style.transform=`rotate(${t}rad)`}updateVisibility(t){t?this.element.classList.remove("hide"):this.element.classList.add("hide"),this.slot.assignedNodes().forEach((e=>{if(e.nodeType!==Node.ELEMENT_NODE)return;const n=e,i=n.dataset.visibilityAttribute;if(null!=i){const e=`data-${i}`;t?n.setAttribute(e,""):n.removeAttribute(e)}n.dispatchEvent(new CustomEvent("hotspot-visibility",{detail:{visible:t}}))})),this.initialized=!0}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const Au=(t,e,n)=>{let i=n;const r=new V;return t.traverseVisible((t=>{let n,s;t.updateWorldMatrix(!1,!1);const a=t.geometry;if(void 0!==a)if(a.isGeometry){const o=a.vertices;for(n=0,s=o.length;n<s;n++)r.copy(o[n]),t.isSkinnedMesh?t.boneTransform(n,r):r.applyMatrix4(t.matrixWorld),i=e(i,r)}else if(a.isBufferGeometry){const{position:o}=a.attributes;if(void 0!==o){const a=(t=>{if(!t.normalized)return 1;const e=t.array;return e instanceof Int8Array?1/127:e instanceof Uint8Array?1/255:e instanceof Int16Array?1/32767:e instanceof Uint16Array?1/65535:1})(o);for(n=0,s=o.count;n<s;n++)r.fromBufferAttribute(o,n),r.multiplyScalar(a),t.isSkinnedMesh?t.boneTransform(n,r):r.applyMatrix4(t.matrixWorld),i=e(i,r)}}})),i},Ru={uniforms:{tDiffuse:{value:null},h:{value:1/512}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float h;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 sum = vec4( 0.0 );\n\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 4.0 * h, vUv.y ) ) * 0.051;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 3.0 * h, vUv.y ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 2.0 * h, vUv.y ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 1.0 * h, vUv.y ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 1.0 * h, vUv.y ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 2.0 * h, vUv.y ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 3.0 * h, vUv.y ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 4.0 * h, vUv.y ) ) * 0.051;\n\n\t\t\tgl_FragColor = sum;\n\n\t\t}"},Cu={uniforms:{tDiffuse:{value:null},v:{value:1/512}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float v;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 sum = vec4( 0.0 );\n\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 4.0 * v ) ) * 0.051;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 3.0 * v ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 2.0 * v ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 1.0 * v ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 1.0 * v ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 2.0 * v ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 3.0 * v ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 4.0 * v ) ) * 0.051;\n\n\t\t\tgl_FragColor = sum;\n\n\t\t}"},Lu=[];for(let t=0;t<256;t++)Lu[t]=(t<16?"0":"")+t.toString(16);function Pu(t,e,n){return(1-n)*t+n*e}
/* @license
 * Copyright 2022 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */class Du extends Wt{constructor(t,e,n){super(),this.camera=new mn,this.renderTarget=null,this.renderTargetBlur=null,this.depthMaterial=new _r,this.horizontalBlurMaterial=new Ve(Ru),this.verticalBlurMaterial=new Ve(Cu),this.intensity=0,this.softness=1,this.boundingBox=new j,this.size=new V,this.maxDimension=0,this.isAnimated=!1,this.needsUpdate=!1;const{camera:i}=this;i.rotation.x=Math.PI/2,i.left=-.5,i.right=.5,i.bottom=-.5,i.top=.5,this.add(i);const r=new rn,s=new re({opacity:1,transparent:!0,side:1});this.floor=new Fe(r,s),this.floor.userData.shadow=!0,i.add(this.floor),this.blurPlane=new Fe(r),this.blurPlane.visible=!1,i.add(this.blurPlane),t.target.add(this),this.depthMaterial.onBeforeCompile=function(t){t.fragmentShader=t.fragmentShader.replace("gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );","gl_FragColor = vec4( vec3( 0.0 ), ( 1.0 - fragCoordZ ) * opacity );")},this.horizontalBlurMaterial.depthTest=!1,this.verticalBlurMaterial.depthTest=!1,this.setScene(t,e,n)}setScene(t,e,n){const{boundingBox:i,size:r,rotation:s,position:a}=this;if(this.isAnimated=t.animationNames.length>0,this.boundingBox.copy(t.boundingBox),this.size.copy(t.size),this.maxDimension=Math.max(r.x,r.y,r.z)*(this.isAnimated?2:1),this.boundingBox.getCenter(a),"back"===n){const{min:t,max:e}=i;[t.y,t.z]=[t.z,t.y],[e.y,e.z]=[e.z,e.y],[r.y,r.z]=[r.z,r.y],s.x=Math.PI/2,s.y=Math.PI}else s.x=0,s.y=0;if(this.isAnimated){const t=i.min.y,e=i.max.y;r.y=this.maxDimension,i.expandByVector(r.subScalar(this.maxDimension).multiplyScalar(-.5)),i.min.y=t,i.max.y=e,r.set(this.maxDimension,e-t,this.maxDimension)}"bottom"===n?a.y=i.min.y:a.z=i.min.y,this.setSoftness(e)}setSoftness(t){this.softness=t;const{size:e,camera:n}=this,i=this.isAnimated?2:1,r=i*Math.pow(2,9-3*t);this.setMapSize(r);const s=e.y/2,a=e.y*i;n.near=0,n.far=Pu(a,s,t),this.depthMaterial.opacity=1/t,n.updateProjectionMatrix(),this.setIntensity(this.intensity),this.setOffset(0)}setMapSize(t){const{size:e}=this;this.isAnimated&&(t*=2);const n=Math.floor(e.x>e.z?t:t*e.x/e.z),i=Math.floor(e.x>e.z?t*e.z/e.x:t),r=10+n,s=10+i;if(null==this.renderTarget||this.renderTarget.width===r&&this.renderTarget.height===s||(this.renderTarget.dispose(),this.renderTarget=null,this.renderTargetBlur.dispose(),this.renderTargetBlur=null),null==this.renderTarget){const t={format:1023};this.renderTarget=new k(r,s,t),this.renderTargetBlur=new k(r,s,t),this.floor.material.map=this.renderTarget.texture}this.camera.scale.set(e.x*(1+10/n),e.z*(1+10/i),1),this.needsUpdate=!0}setIntensity(t){this.intensity=t,t>0?(this.visible=!0,this.floor.visible=!0,this.floor.material.opacity=t*Pu(.3,1,this.softness*this.softness)):(this.visible=!1,this.floor.visible=!1)}getIntensity(){return this.intensity}setOffset(t){this.floor.position.z=-t+.001*this.maxDimension}render(t,e){e.overrideMaterial=this.depthMaterial;const n=t.getClearAlpha();t.setClearAlpha(0),this.floor.visible=!1;const i=t.xr.enabled;t.xr.enabled=!1;const r=t.getRenderTarget();t.setRenderTarget(this.renderTarget),t.render(e,this.camera),e.overrideMaterial=null,this.floor.visible=!0,this.blurShadow(t),t.xr.enabled=i,t.setRenderTarget(r),t.setClearAlpha(n)}blurShadow(t){const{camera:e,horizontalBlurMaterial:n,verticalBlurMaterial:i,renderTarget:r,renderTargetBlur:s,blurPlane:a}=this;a.visible=!0,a.material=n,n.uniforms.h.value=1/this.renderTarget.width,n.uniforms.tDiffuse.value=this.renderTarget.texture,t.setRenderTarget(s),t.render(a,e),a.material=i,i.uniforms.v.value=1/this.renderTarget.height,i.uniforms.tDiffuse.value=this.renderTargetBlur.texture,t.setRenderTarget(r),t.render(a,e),a.visible=!1}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const Iu=new V,Ou=new V,Nu=new V,Fu=new class{constructor(t,e,n=0,i=1/0){this.ray=new yt(t,e),this.near=n,this.far=i,this.camera=null,this.layers=new Lt,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):console.error("THREE.Raycaster: Unsupported camera type: "+e.type)}intersectObject(t,e=!0,n=[]){return Jo(t,this,n,e),n.sort(Yo),n}intersectObjects(t,e=!0,n=[]){for(let i=0,r=t.length;i<r;i++)Jo(t[i],this,n,e);return n.sort(Yo),n}},Uu=new V,ku=new g;class Bu extends Nr{constructor({canvas:t,element:e,width:n,height:i}){super(),this.context=null,this.annotationRenderer=new iu,this.schemaElement=document.createElement("script"),this.width=1,this.height=1,this.aspect=1,this.renderCount=0,this.externalRenderer=null,this.camera=new We(45,1,.1,100),this.xrCamera=null,this.url=null,this.target=new Wt,this.modelContainer=new Wt,this.animationNames=[],this.boundingBox=new j,this.boundingSphere=new ct,this.size=new V,this.idealAspect=0,this.framedFoVDeg=0,this.shadow=null,this.shadowIntensity=0,this.shadowSoftness=1,this.bakedShadows=new Set,this.exposure=1,this.canScale=!0,this.tightBounds=!1,this.isDirty=!1,this.goalTarget=new V,this.targetDamperX=new du,this.targetDamperY=new du,this.targetDamperZ=new du,this._currentGLTF=null,this.cancelPendingSourceChange=null,this.animationsByName=new Map,this.currentAnimationAction=null,this.name="ModelScene",this.element=e,this.canvas=t,this.camera=new We(45,1,.1,100),this.camera.name="MainCamera",this.add(this.target),this.setSize(n,i),this.target.name="Target",this.modelContainer.name="ModelContainer",this.target.add(this.modelContainer),this.mixer=new $o(this.modelContainer);const{domElement:r}=this.annotationRenderer,{style:s}=r;s.display="none",s.pointerEvents="none",s.position="absolute",s.top="0",this.element.shadowRoot.querySelector(".default").appendChild(r),this.schemaElement.setAttribute("type","application/ld+json")}createContext(){this.context=this.canvas.getContext("2d")}getCamera(){return null!=this.xrCamera?this.xrCamera:this.camera}queueRender(){this.isDirty=!0}shouldRender(){return this.isDirty}hasRendered(){this.isDirty=!1}async setObject(t){this.reset(),this.modelContainer.add(t),await this.setupScene()}async setSource(t,e=(()=>{})){if(!t||t===this.url)return void e(1);if(this.reset(),this.url=t,null!=this.externalRenderer){const t=await this.externalRenderer.load(e);return this.boundingSphere.radius=t.framedRadius,this.idealAspect=t.fieldOfViewAspect,void this.dispatchEvent({type:"model-load",url:this.url})}let n;null!=this.cancelPendingSourceChange&&(this.cancelPendingSourceChange(),this.cancelPendingSourceChange=null);try{n=await new Promise((async(n,i)=>{this.cancelPendingSourceChange=()=>i();try{n(await this.element[Ep].loader.load(t,this.element,e))}catch(t){i(t)}}))}catch(t){if(null==t)return;throw t}this.reset(),this.url=t,this._currentGLTF=n,null!=n&&this.modelContainer.add(n.scene);const{animations:i}=n,r=new Map,s=[];for(const t of i)r.set(t.name,t),s.push(t.name);this.animations=i,this.animationsByName=r,this.animationNames=s,await this.setupScene()}async setupScene(){this.updateBoundingBox(),await this.updateFraming(),this.updateShadow(),this.setShadowIntensity(this.shadowIntensity),this.dispatchEvent({type:"model-load",url:this.url})}reset(){this.url=null,this.queueRender(),null!=this.shadow&&this.shadow.setIntensity(0),this.bakedShadows.clear();const t=this._currentGLTF;if(null!=t){for(const t of this.modelContainer.children)this.modelContainer.remove(t);t.dispose(),this._currentGLTF=null}null!=this.currentAnimationAction&&(this.currentAnimationAction.stop(),this.currentAnimationAction=null),this.mixer.stopAllAction(),this.mixer.uncacheRoot(this)}get currentGLTF(){return this._currentGLTF}setSize(t,e){if(this.width!==t||this.height!==e){if(this.width=Math.max(t,1),this.height=Math.max(e,1),this.annotationRenderer.setSize(t,e),this.aspect=this.width/this.height,null!=this.externalRenderer){const n=hu();this.externalRenderer.resize(t*n,e*n)}this.queueRender()}}markBakedShadow(t){t.userData.shadow=!0,this.bakedShadows.add(t)}unmarkBakedShadow(t){t.userData.shadow=!1,t.visible=!0,this.bakedShadows.delete(t),this.boundingBox.expandByObject(t)}findBakedShadows(t){const e=new j;t.traverse((t=>{const n=t;if(!n.isMesh)return;if(!n.material.transparent)return;e.setFromObject(n);const i=e.getSize(Uu),r=Math.min(i.x,i.y,i.z);Math.max(i.x,i.y,i.z)<100*r||this.markBakedShadow(n)}))}checkBakedShadows(){const{min:t,max:e}=this.boundingBox,n=new j;this.boundingBox.getSize(this.size);for(const i of this.bakedShadows)n.setFromObject(i),n.min.y<t.y+this.size.y/100&&n.min.x<=t.x&&n.max.x>=e.x&&n.min.z<=t.z&&n.max.z>=e.z||n.min.z<t.z+this.size.z/100&&n.min.x<=t.x&&n.max.x>=e.x&&n.min.y<=t.y&&n.max.y>=e.y||this.unmarkBakedShadow(i)}updateBoundingBox(){if(this.target.remove(this.modelContainer),this.findBakedShadows(this.modelContainer),!0===this.tightBounds){const t=(t,e)=>t.expandByPoint(e);this.setBakedShadowVisibility(!1),this.boundingBox=Au(this.modelContainer,t,new j),this.boundingBox.isEmpty()&&(this.setBakedShadowVisibility(!0),this.bakedShadows.forEach((t=>this.unmarkBakedShadow(t))),this.boundingBox=Au(this.modelContainer,t,new j)),this.checkBakedShadows(),this.setBakedShadowVisibility()}else this.boundingBox.setFromObject(this.modelContainer);this.boundingBox.getSize(this.size),this.target.add(this.modelContainer)}async updateFraming(){this.target.remove(this.modelContainer),this.setBakedShadowVisibility(!1);const{center:t}=this.boundingSphere;!0===this.tightBounds?(this.element.requestUpdate("cameraTarget"),await this.element.updateComplete,t.copy(this.getTarget())):this.boundingBox.getCenter(t);this.boundingSphere.radius=Math.sqrt(Au(this.modelContainer,((e,n)=>Math.max(e,t.distanceToSquared(n))),0));this.idealAspect=Au(this.modelContainer,((e,n)=>{n.sub(t);const i=Math.sqrt(n.x*n.x+n.z*n.z);return Math.max(e,i/(this.idealCameraDistance()-Math.abs(n.y)))}),0)/Math.tan(this.framedFoVDeg/2*Math.PI/180),this.setBakedShadowVisibility(),this.target.add(this.modelContainer)}setBakedShadowVisibility(t=this.shadowIntensity<=0){for(const e of this.bakedShadows)e.visible=t}idealCameraDistance(){const t=this.framedFoVDeg/2*Math.PI/180;return this.boundingSphere.radius/Math.sin(t)}adjustedFoV(t){const e=Math.tan(t/2*Math.PI/180)*Math.max(1,this.idealAspect/this.aspect);return 2*Math.atan(e)*180/Math.PI}getNDC(t,e){if(null!=this.xrCamera)ku.set(t/window.screen.width,e/window.screen.height);else{const n=this.element.getBoundingClientRect();ku.set((t-n.x)/this.width,(e-n.y)/this.height)}return ku.multiplyScalar(2).subScalar(1),ku.y*=-1,ku}getSize(){return{width:this.width,height:this.height}}setTarget(t,e,n){this.goalTarget.set(-t,-e,-n)}setTargetDamperDecayTime(t){this.targetDamperX.setDecayTime(t),this.targetDamperY.setDecayTime(t),this.targetDamperZ.setDecayTime(t)}getTarget(){return Uu.copy(this.goalTarget).multiplyScalar(-1)}jumpToGoal(){this.updateTarget(1e4)}updateTarget(t){const e=this.goalTarget,n=this.target.position;if(e.equals(n))return!1;{const i=this.boundingSphere.radius/10;let{x:r,y:s,z:a}=n;return r=this.targetDamperX.update(r,e.x,t,i),s=this.targetDamperY.update(s,e.y,t,i),a=this.targetDamperZ.update(a,e.z,t,i),this.target.position.set(r,s,a),this.target.updateMatrixWorld(),this.queueRender(),!0}}pointTowards(t,e){const{x:n,z:i}=this.position;this.yaw=Math.atan2(t-n,e-i)}set yaw(t){this.rotation.y=t,this.queueRender()}get yaw(){return this.rotation.y}set animationTime(t){this.mixer.setTime(t),this.queueShadowRender()}get animationTime(){if(null!=this.currentAnimationAction){const t=Math.max(this.currentAnimationAction._loopCount,0);return 2202===this.currentAnimationAction.loop&&1==(1&t)?this.duration-this.currentAnimationAction.time:this.currentAnimationAction.time}return 0}set animationTimeScale(t){this.mixer.timeScale=t}get animationTimeScale(){return this.mixer.timeScale}get duration(){return null!=this.currentAnimationAction&&this.currentAnimationAction.getClip()?this.currentAnimationAction.getClip().duration:0}get hasActiveAnimation(){return null!=this.currentAnimationAction}playAnimation(t=null,e=0,n=2201,i=1/0){if(null==this._currentGLTF)return;const{animations:r}=this;if(null==r||0===r.length)return void console.warn("Cannot play animation (model does not have any animations)");let s=null;if(null!=t&&(s=this.animationsByName.get(t),null==s)){const e=parseInt(t);!isNaN(e)&&e>=0&&e<r.length&&(s=r[e])}null==s&&(s=r[0]);try{const{currentAnimationAction:t}=this,r=this.mixer.clipAction(s,this);this.currentAnimationAction=r,this.element.paused?this.mixer.stopAllAction():(r.paused=!1,null!=t&&r!==t?r.crossFadeFrom(t,e,!1):this.animationTimeScale>0&&this.animationTime==this.duration&&(this.animationTime=0)),r.setLoop(n,i),r.enabled=!0,r.clampWhenFinished=!0,r.play()}catch(t){console.error(t)}}stopAnimation(){this.currentAnimationAction=null,this.mixer.stopAllAction()}updateAnimation(t){this.mixer.update(t),this.queueShadowRender()}subscribeMixerEvent(t,e){this.mixer.addEventListener(t,e)}updateShadow(){const t=this.shadow;if(null!=t){const e="wall"===this.element.arPlacement?"back":"bottom";t.setScene(this,this.shadowSoftness,e),t.needsUpdate=!0}}renderShadow(t){const e=this.shadow;null!=e&&1==e.needsUpdate&&(e.render(t,this),e.needsUpdate=!1)}queueShadowRender(){null!=this.shadow&&(this.shadow.needsUpdate=!0)}setShadowIntensity(t){if(this.shadowIntensity=t,null!=this._currentGLTF&&(this.setBakedShadowVisibility(),!(t<=0&&null==this.shadow))){if(null==this.shadow){const t="wall"===this.element.arPlacement?"back":"bottom";this.shadow=new Du(this,this.shadowSoftness,t)}this.shadow.setIntensity(t)}}setShadowSoftness(t){this.shadowSoftness=t;const e=this.shadow;null!=e&&e.setSoftness(t)}setShadowOffset(t){const e=this.shadow;null!=e&&e.setOffset(t)}get raycaster(){return Fu}positionAndNormalFromPoint(t,e=this){this.raycaster.setFromCamera(t,this.getCamera());const n=this.raycaster.intersectObject(e,!0).find((t=>!t.object.userData.shadow));return null==n||null==n.face?null:null==n.uv?{position:n.point,normal:n.face.normal,uv:null}:(n.face.normal.applyNormalMatrix((new v).getNormalMatrix(n.object.matrixWorld)),{position:n.point,normal:n.face.normal,uv:n.uv})}addHotspot(t){this.target.add(t),this.annotationRenderer.domElement.appendChild(t.element)}removeHotspot(t){this.target.remove(t)}forHotspots(t){const{children:e}=this.target;for(let n=0,i=e.length;n<i;n++){const i=e[n];i instanceof Eu&&t(i)}}updateHotspots(t){this.forHotspots((e=>{Iu.copy(t),Ou.setFromMatrixPosition(e.matrixWorld),Iu.sub(Ou),Nu.copy(e.normal).transformDirection(this.target.matrixWorld),Iu.dot(Nu)<0?e.hide():e.show()}))}orientHotspots(t){this.forHotspots((e=>{e.orient(t)}))}setHotspotsVisibility(t){this.forHotspots((e=>{e.visible=t}))}updateSchema(t){var e;const{schemaElement:n,element:i}=this,{alt:r,poster:s,iosSrc:a}=i;if(null!=t){const i=[{"@type":"MediaObject",contentUrl:t,encodingFormat:"gltf"===(null===(e=t.split(".").pop())||void 0===e?void 0:e.toLowerCase())?"model/gltf+json":"model/gltf-binary"}];a&&i.push({"@type":"MediaObject",contentUrl:a,encodingFormat:"model/vnd.usdz+zip"});const o={"@context":"http://schema.org/","@type":"3DModel",image:null!=s?s:void 0,name:null!=r?r:void 0,encoding:i};n.textContent=JSON.stringify(o),document.head.appendChild(n)}else null!=n.parentElement&&n.parentElement.removeChild(n)}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */var zu=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Hu=Symbol("currentEnvironmentMap"),Vu=Symbol("applyEnvironmentMap"),Gu=Symbol("updateEnvironment"),Wu=Symbol("cancelEnvironmentUpdate"),ju=Symbol("onPreload");class qu{constructor(t,e,n,i,r){this.xrLight=t,this.renderer=e,this.lightProbe=n,this.xrWebGLBinding=null,this.estimationStartCallback=r,this.frameCallback=this.onXRFrame.bind(this);const s=e.xr.getSession();if(i&&"XRWebGLBinding"in window){const n=new Xe(16);t.environment=n.texture;const i=e.getContext();switch(s.preferredReflectionFormat){case"srgba8":i.getExtension("EXT_sRGB");break;case"rgba16f":i.getExtension("OES_texture_half_float")}this.xrWebGLBinding=new XRWebGLBinding(s,i),this.lightProbe.addEventListener("reflectionchange",(()=>{this.updateReflection()}))}s.requestAnimationFrame(this.frameCallback)}updateReflection(){const t=this.renderer.properties.get(this.xrLight.environment);if(t){const e=this.xrWebGLBinding.getReflectionCubeMap(this.lightProbe);e&&(t.__webglTexture=e,this.xrLight.environment.needsPMREMUpdate=!0)}}onXRFrame(t,e){if(!this.xrLight)return;e.session.requestAnimationFrame(this.frameCallback);const n=e.getLightEstimate(this.lightProbe);if(n){this.xrLight.lightProbe.sh.fromArray(n.sphericalHarmonicsCoefficients),this.xrLight.lightProbe.intensity=1;const t=Math.max(1,Math.max(n.primaryLightIntensity.x,Math.max(n.primaryLightIntensity.y,n.primaryLightIntensity.z)));this.xrLight.directionalLight.color.setRGB(n.primaryLightIntensity.x/t,n.primaryLightIntensity.y/t,n.primaryLightIntensity.z/t),this.xrLight.directionalLight.intensity=t,this.xrLight.directionalLight.position.copy(n.primaryLightDirection),this.estimationStartCallback&&(this.estimationStartCallback(),this.estimationStartCallback=null)}}dispose(){this.xrLight=null,this.renderer=null,this.lightProbe=null,this.xrWebGLBinding=null}}class Xu extends Rr{constructor(t,e=!0){super(),this.lightProbe=new Po,this.lightProbe.intensity=0,this.add(this.lightProbe),this.directionalLight=new Co,this.directionalLight.intensity=0,this.add(this.directionalLight),this.environment=null;let n=null,i=!1;t.xr.addEventListener("sessionstart",(()=>{const r=t.xr.getSession();"requestLightProbe"in r&&r.requestLightProbe({reflectionFormat:r.preferredReflectionFormat}).then((r=>{n=new qu(this,t,r,e,(()=>{i=!0,this.dispatchEvent({type:"estimationstart"})}))}))})),t.xr.addEventListener("sessionend",(()=>{n&&(n.dispose(),n=null),i&&this.dispatchEvent({type:"estimationend"})})),this.dispose=()=>{n&&(n.dispose(),n=null),this.remove(this.lightProbe),this.lightProbe=null,this.remove(this.directionalLight),this.directionalLight=null,this.environment=null}}}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const $u=Math.PI/24,Yu=new g,Ju=(t,e,n)=>{let i=e>0?n>0?0:-Math.PI/2:n>0?Math.PI/2:Math.PI;for(let r=0;r<=12;++r)t.push(e+.17*Math.cos(i),n+.17*Math.sin(i),0,e+.2*Math.cos(i),n+.2*Math.sin(i),0),i+=$u};class Ku extends Fe{constructor(t,e){const n=new ye,i=[],r=[],{size:s,boundingBox:a}=t,o=s.x/2,l=("back"===e?s.y:s.z)/2;Ju(r,o,l),Ju(r,-o,l),Ju(r,-o,-l),Ju(r,o,-l);const h=r.length/3;for(let t=0;t<h-2;t+=2)i.push(t,t+1,t+3,t,t+3,t+2);const c=h-2;i.push(c,c+1,1,c,1,0),n.setAttribute("position",new ce(r,3)),n.setIndex(i),super(n),this.side=e;const u=this.material;switch(u.side=0,u.transparent=!0,u.opacity=0,this.goalOpacity=0,this.opacityDamper=new du,this.hitPlane=new Fe(new rn(2*(o+.2),2*(l+.2))),this.hitPlane.visible=!1,this.add(this.hitPlane),a.getCenter(this.position),e){case"bottom":this.rotateX(-Math.PI/2),this.shadowHeight=a.min.y,this.position.y=this.shadowHeight;break;case"back":this.shadowHeight=a.min.z,this.position.z=this.shadowHeight}t.target.add(this),this.offsetHeight=0}getHit(t,e,n){Yu.set(e,-n),this.hitPlane.visible=!0;const i=t.positionAndNormalFromPoint(Yu,this.hitPlane);return this.hitPlane.visible=!1,null==i?null:i.position}getExpandedHit(t,e,n){this.hitPlane.scale.set(1e3,1e3,1e3);const i=this.getHit(t,e,n);return this.hitPlane.scale.set(1,1,1),i}set offsetHeight(t){t-=.001,"back"===this.side?this.position.z=this.shadowHeight+t:this.position.y=this.shadowHeight+t}get offsetHeight(){return"back"===this.side?this.position.z-this.shadowHeight:this.position.y-this.shadowHeight}set show(t){this.goalOpacity=t?.75:0}updateOpacity(t){const e=this.material;e.opacity=this.opacityDamper.update(e.opacity,this.goalOpacity,t,1),this.visible=e.opacity>0}dispose(){var t;const{geometry:e,material:n}=this.hitPlane;e.dispose(),n.dispose(),this.geometry.dispose(),this.material.dispose(),null===(t=this.parent)||void 0===t||t.remove(this)}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const Zu="not-presenting",Qu="session-started",td="object-placed",ed="failed",nd="tracking",id="not-tracking",rd=new V,sd=new xt,ad=new V,od=new We(45,1,.1,100);class ld extends i{constructor(t){super(),this.renderer=t,this.currentSession=null,this.placeOnWall=!1,this.placementBox=null,this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.oldBackground=null,this.oldEnvironment=null,this.frame=null,this.initialHitSource=null,this.transientHitTestSource=null,this.inputSource=null,this._presentedScene=null,this.resolveCleanup=null,this.exitWebXRButtonContainer=null,this.overlay=null,this.xrLight=null,this.tracking=!0,this.frames=0,this.initialized=!1,this.oldTarget=new V,this.placementComplete=!1,this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.lastDragPosition=new V,this.firstRatio=0,this.lastAngle=0,this.goalPosition=new V,this.goalYaw=0,this.goalScale=1,this.xDamper=new du,this.yDamper=new du,this.zDamper=new du,this.yawDamper=new du,this.scaleDamper=new du,this.onExitWebXRButtonContainerClick=()=>this.stopPresenting(),this.onUpdateScene=()=>{null!=this.placementBox&&this.isPresenting&&(this.placementBox.dispose(),this.placementBox=new Ku(this.presentedScene,this.placeOnWall?"back":"bottom"))},this.onSelectStart=t=>{const e=this.transientHitTestSource;if(null==e)return;const n=this.frame.getHitTestResultsForTransientInput(e),i=this.presentedScene,r=this.placementBox;if(1===n.length){this.inputSource=t.inputSource;const{axes:e}=this.inputSource.gamepad,n=r.getHit(this.presentedScene,e[0],e[1]);r.show=!0,null!=n?(this.isTranslating=!0,this.lastDragPosition.copy(n)):!1===this.placeOnWall&&(this.isRotating=!0,this.lastAngle=1.5*e[0])}else if(2===n.length){r.show=!0,this.isTwoFingering=!0;const{separation:t}=this.fingerPolar(n);this.firstRatio=t/i.scale.x}},this.onSelectEnd=()=>{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.inputSource=null,this.goalPosition.y+=this.placementBox.offsetHeight*this.presentedScene.scale.x,this.placementBox.show=!1},this.threeRenderer=t.threeRenderer,this.threeRenderer.xr.enabled=!0}async resolveARSession(){su();const t=await navigator.xr.requestSession("immersive-ar",{requiredFeatures:["hit-test"],optionalFeatures:["dom-overlay","light-estimation"],domOverlay:{root:this.overlay}});return this.threeRenderer.xr.setReferenceSpaceType("local"),await this.threeRenderer.xr.setSession(t),this.threeRenderer.xr.cameraAutoUpdate=!1,t}get presentedScene(){return this._presentedScene}async supportsPresentation(){try{return su(),await navigator.xr.isSessionSupported("immersive-ar")}catch(t){return console.warn("Request to present in WebXR denied:"),console.warn(t),console.warn("Falling back to next ar-mode"),!1}}async present(t,e=!1){this.isPresenting&&console.warn("Cannot present while a model is already presenting");let n=new Promise(((t,e)=>{requestAnimationFrame((()=>t()))}));t.setHotspotsVisibility(!1),t.queueRender(),await n,this._presentedScene=t,this.overlay=t.element.shadowRoot.querySelector("div.default"),!0===e&&(this.xrLight=new Xu(this.threeRenderer),this.xrLight.addEventListener("estimationstart",(()=>{if(!this.isPresenting||null==this.xrLight)return;const t=this.presentedScene;t.add(this.xrLight),this.oldEnvironment=t.environment,t.environment=this.xrLight.environment})));const i=await this.resolveARSession();i.addEventListener("end",(()=>{this.postSessionCleanup()}),{once:!0});const r=t.element.shadowRoot.querySelector(".slot.exit-webxr-ar-button");r.classList.add("enabled"),r.addEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=r;const s=await i.requestReferenceSpace("viewer");this.tracking=!0,this.frames=0,this.initialized=!1,this.turntableRotation=t.yaw,this.goalYaw=t.yaw,this.goalScale=1,this.oldBackground=t.background,t.background=null,this.oldShadowIntensity=t.shadowIntensity,t.setShadowIntensity(.01),this.oldTarget.copy(t.getTarget()),t.addEventListener("model-load",this.onUpdateScene);const a=20*Math.PI/180,o=!0===this.placeOnWall?void 0:new XRRay(new DOMPoint(0,0,0),{x:0,y:-Math.sin(a),z:-Math.cos(a)});i.requestHitTestSource({space:s,offsetRay:o}).then((t=>{this.initialHitSource=t})),this.currentSession=i,this.placementBox=new Ku(t,this.placeOnWall?"back":"bottom"),this.placementComplete=!1,this.lastTick=performance.now(),this.dispatchEvent({type:"status",status:Qu})}async stopPresenting(){if(!this.isPresenting)return;const t=new Promise((t=>{this.resolveCleanup=t}));try{await this.currentSession.end(),await t}catch(t){console.warn("Error while trying to end WebXR AR session"),console.warn(t),this.postSessionCleanup()}}get isPresenting(){return null!=this.presentedScene}get target(){return this.oldTarget}updateTarget(){const t=this.presentedScene;if(null!=t){const e=t.getTarget();this.oldTarget.copy(e),this.placeOnWall?e.z=t.boundingBox.min.z:e.y=t.boundingBox.min.y,t.setTarget(e.x,e.y,e.z)}}postSessionCleanup(){const t=this.currentSession;null!=t&&(t.removeEventListener("selectstart",this.onSelectStart),t.removeEventListener("selectend",this.onSelectEnd),this.currentSession=null);const e=this.presentedScene;if(null!=e){const{element:t}=e;null!=this.xrLight&&(e.remove(this.xrLight),null!=this.oldEnvironment&&(e.environment=this.oldEnvironment,this.oldEnvironment=null),this.xrLight.dispose(),this.xrLight=null),e.position.set(0,0,0),e.scale.set(1,1,1),e.setShadowOffset(0);const n=this.turntableRotation;null!=n&&(e.yaw=n);const i=this.oldShadowIntensity;null!=i&&e.setShadowIntensity(i);const r=this.oldBackground;null!=r&&(e.background=r);const s=this.oldTarget;e.setTarget(s.x,s.y,s.z),e.xrCamera=null,e.removeEventListener("model-load",this.onUpdateScene),e.orientHotspots(0),t.requestUpdate("cameraTarget"),t.requestUpdate("maxCameraOrbit"),t[Tp](t.getBoundingClientRect())}this.renderer.height=0;const n=this.exitWebXRButtonContainer;null!=n&&(n.classList.remove("enabled"),n.removeEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=null);const i=this.transientHitTestSource;null!=i&&(i.cancel(),this.transientHitTestSource=null);const r=this.initialHitSource;null!=r&&(r.cancel(),this.initialHitSource=null),null!=this.placementBox&&(this.placementBox.dispose(),this.placementBox=null),this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.oldBackground=null,this._presentedScene=null,this.frame=null,this.inputSource=null,this.overlay=null,null!=this.resolveCleanup&&this.resolveCleanup(),this.dispatchEvent({type:"status",status:Zu})}updateView(t){const e=this.presentedScene,n=this.threeRenderer.xr;n.updateCamera(od),e.xrCamera=n.getCamera();const{elements:i}=e.getCamera().matrixWorld;if(e.orientHotspots(Math.atan2(i[1],i[5])),this.initialized||(this.placeInitially(),this.initialized=!0),t.requestViewportScale&&t.recommendedViewportScale){const e=t.recommendedViewportScale;t.requestViewportScale(Math.max(e,.25))}const r=this.currentSession.renderState.baseLayer.getViewport(t);this.threeRenderer.setViewport(r.x,r.y,r.width,r.height)}placeInitially(){const t=this.presentedScene,{position:e,element:n}=t,i=t.getCamera(),{width:r,height:s}=this.overlay.getBoundingClientRect();t.setSize(r,s),i.projectionMatrixInverse.copy(i.projectionMatrix).invert();const{theta:a,radius:o}=n.getCameraOrbit(),l=i.getWorldDirection(rd);t.yaw=Math.atan2(-l.x,-l.z)-a,this.goalYaw=t.yaw,e.copy(i.position).add(l.multiplyScalar(o)),this.updateTarget();const h=t.getTarget();e.add(h).sub(this.oldTarget),this.goalPosition.copy(e),t.setHotspotsVisibility(!0);const{session:c}=this.frame;c.addEventListener("selectstart",this.onSelectStart),c.addEventListener("selectend",this.onSelectEnd),c.requestHitTestSourceForTransientInput({profile:"generic-touchscreen"}).then((t=>{this.transientHitTestSource=t}))}getTouchLocation(){const{axes:t}=this.inputSource.gamepad;let e=this.placementBox.getExpandedHit(this.presentedScene,t[0],t[1]);return null!=e&&(rd.copy(e).sub(this.presentedScene.getCamera().position),rd.length()>10)?null:e}getHitPoint(t){const e=this.threeRenderer.xr.getReferenceSpace(),n=t.getPose(e);if(null==n)return null;const i=sd.fromArray(n.transform.matrix);return!0===this.placeOnWall&&(this.goalYaw=Math.atan2(i.elements[4],i.elements[6])),i.elements[5]>.75!==this.placeOnWall?ad.setFromMatrixPosition(i):null}moveToFloor(t){const e=this.initialHitSource;if(null==e)return;const n=t.getHitTestResults(e);if(0==n.length)return;const i=n[0],r=this.getHitPoint(i);null!=r&&(this.placementBox.show=!0,this.isTranslating||(this.placeOnWall?this.goalPosition.copy(r):this.goalPosition.y=r.y),e.cancel(),this.initialHitSource=null,this.dispatchEvent({type:"status",status:td}))}fingerPolar(t){const e=t[0].inputSource.gamepad.axes,n=t[1].inputSource.gamepad.axes,i=n[0]-e[0],r=n[1]-e[1],s=Math.atan2(r,i);let a=this.lastAngle-s;return a>Math.PI?a-=2*Math.PI:a<-Math.PI&&(a+=2*Math.PI),this.lastAngle=s,{separation:Math.sqrt(i*i+r*r),deltaYaw:a}}processInput(t){const e=this.transientHitTestSource;if(null==e)return;if(!this.isTranslating&&!this.isTwoFingering&&!this.isRotating)return;const n=t.getHitTestResultsForTransientInput(e),i=this.presentedScene,r=i.scale.x;if(this.isTwoFingering)if(n.length<2)this.isTwoFingering=!1;else{const{separation:t,deltaYaw:e}=this.fingerPolar(n);if(!1===this.placeOnWall&&(this.goalYaw+=e),i.canScale){const e=t/this.firstRatio;this.goalScale=e<1.3&&e>.7692307692307692?1:e}}else if(2!==n.length)if(this.isRotating){const t=1.5*this.inputSource.gamepad.axes[0];this.goalYaw+=t-this.lastAngle,this.lastAngle=t}else this.isTranslating&&n.forEach((t=>{if(t.inputSource!==this.inputSource)return;let e=null;if(t.results.length>0&&(e=this.getHitPoint(t.results[0])),null==e&&(e=this.getTouchLocation()),null!=e){if(this.goalPosition.sub(this.lastDragPosition),!1===this.placeOnWall){const t=e.y-this.lastDragPosition.y;if(t<0){this.placementBox.offsetHeight=t/r,this.presentedScene.setShadowOffset(t);const n=rd.copy(i.getCamera().position),s=-t/(n.y-e.y);n.multiplyScalar(s),e.multiplyScalar(1-s).add(n)}}this.goalPosition.add(e),this.lastDragPosition.copy(e)}}));else{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!0;const{separation:t}=this.fingerPolar(n);this.firstRatio=t/r}}moveScene(t){const e=this.presentedScene,{position:n,yaw:i}=e,r=e.boundingSphere.radius,s=this.goalPosition,a=e.scale.x,o=this.placementBox;if(!s.equals(n)||this.goalScale!==a){let{x:i,y:l,z:h}=n;i=this.xDamper.update(i,s.x,t,r),l=this.yDamper.update(l,s.y,t,r),h=this.zDamper.update(h,s.z,t,r),n.set(i,l,h);const c=this.scaleDamper.update(a,this.goalScale,t,1);if(e.scale.set(c,c,c),!this.isTranslating){const t=s.y-l;this.placementComplete&&!1===this.placeOnWall?(o.offsetHeight=t/c,e.setShadowOffset(t)):0===t&&(this.placementComplete=!0,o.show=!1,e.setShadowIntensity(.8))}}o.updateOpacity(t),e.updateTarget(t),e.yaw=this.yawDamper.update(i,this.goalYaw,t,Math.PI)}onWebXRFrame(t,e){this.frame=e,++this.frames;const n=this.threeRenderer.xr.getReferenceSpace(),i=e.getViewerPose(n);null==i&&!0===this.tracking&&this.frames>30&&(this.tracking=!1,this.dispatchEvent({type:"tracking",status:id}));const r=this.presentedScene;if(null==i||null==r||!r.element[Pp]())return void this.threeRenderer.clear();!1===this.tracking&&(this.tracking=!0,this.dispatchEvent({type:"tracking",status:nd}));let s=!0;for(const n of i.views){if(this.updateView(n),s){this.moveToFloor(e),this.processInput(e);const n=t-this.lastTick;this.moveScene(n),this.renderer.preRender(r,t,n),this.lastTick=t,r.renderShadow(this.threeRenderer)}this.threeRenderer.render(r,r.getCamera()),s=!1}}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */class hd{constructor(t){t.threeRenderer.debug={checkShaderErrors:!0},Promise.resolve().then((()=>{self.dispatchEvent(new CustomEvent("model-viewer-renderer-debug",{detail:{renderer:t,THREE:{ShaderMaterial:Ve,Texture:F,Mesh:Fe,Scene:Nr,PlaneBufferGeometry:rn,OrthographicCamera:mn,WebGLRenderTarget:k}}}))}))}addScene(t){self.dispatchEvent(new CustomEvent("model-viewer-scene-added-debug",{detail:{scene:t}}))}removeScene(t){self.dispatchEvent(new CustomEvent("model-viewer-scene-removed-debug",{detail:{scene:t}}))}}function cd(t){const e=new Map,n=new Map,i=t.clone();return ud(t,i,(function(t,i){e.set(i,t),n.set(t,i)})),i.traverse((function(t){if(!t.isSkinnedMesh)return;const i=t,r=e.get(t),s=r.skeleton.bones;i.skeleton=r.skeleton.clone(),i.bindMatrix.copy(r.bindMatrix),i.skeleton.bones=s.map((function(t){return n.get(t)})),i.bind(i.skeleton,i.bindMatrix)})),i}function ud(t,e,n){n(t,e);for(let i=0;i<t.children.length;i++)ud(t.children[i],e.children[i],n)}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const dd=Symbol("prepared"),pd=Symbol("prepare"),md=Symbol("preparedGLTF"),fd=Symbol("clone");class gd{constructor(t){this[md]=t}static prepare(t){if(null==t.scene)throw new Error("Model does not have a scene");if(t[dd])return t;const e=this[pd](t);return e[dd]=!0,e}static[pd](t){const{scene:e}=t,n=[e];return Object.assign(Object.assign({},t),{scene:e,scenes:n})}get parser(){return this[md].parser}get animations(){return this[md].animations}get scene(){return this[md].scene}get scenes(){return this[md].scenes}get cameras(){return this[md].cameras}get asset(){return this[md].asset}get userData(){return this[md].userData}clone(){return new(0,this.constructor)(this[fd]())}dispose(){this.scenes.forEach((t=>{t.traverse((t=>{if(!t.isMesh)return;const e=t;(Array.isArray(e.material)?e.material:[e.material]).forEach((t=>{for(const e in t){const n=t[e];if(n instanceof F){const t=n.source.data;t instanceof ImageBitmap&&t.close(),n.dispose()}}t.dispose()})),e.geometry.dispose()}))}))}[fd](){const t=this[md],e=cd(this.scene);vd(e,this.scene);const n=[e],i=t.userData?Object.assign({},t.userData):{};return Object.assign(Object.assign({},t),{scene:e,scenes:n,userData:i})}}const vd=(t,e)=>{yd(t,e,((t,e)=>{void 0!==e.userData.variantMaterials&&(t.userData.variantMaterials=new Map(e.userData.variantMaterials)),void 0!==e.userData.variantData&&(t.userData.variantData=e.userData.variantData),void 0!==e.userData.originalMaterial&&(t.userData.originalMaterial=e.userData.originalMaterial)}))},yd=(t,e,n)=>{n(t,e);for(let i=0;i<t.children.length;i++)yd(t.children[i],e.children[i],n)},xd=Symbol("threeGLTF"),bd=Symbol("gltf"),_d=Symbol("gltfElementMap"),wd=Symbol("threeObjectMap"),Md=Symbol("parallelTraverseThreeScene"),Sd=Symbol("correlateOriginalThreeGLTF"),Td=Symbol("correlateCloneThreeGLTF");class Ed{constructor(t,e,n,i){this[xd]=t,this[bd]=e,this[_d]=i,this[wd]=n}static from(t,e){return null!=e?this[Td](t,e):this[Sd](t)}static[Sd](t){const e=t.parser.json,n=t.parser.associations,i=new Map,r={name:"Default"},s={type:"materials",index:-1};for(const t of n.keys())t instanceof ie&&null==n.get(t)&&(s.index<0&&(null==e.materials&&(e.materials=[]),s.index=e.materials.length,e.materials.push(r)),t.name=r.name,n.set(t,{materials:s.index}));for(const[t,r]of n){if(r){const e=t;e.userData=e.userData||{},e.userData.associations=r}for(const n in r)if(null!=n&&"primitives"!==n){const s=n,a=(e[s]||[])[r[s]];if(null==a)continue;let o=i.get(a);null==o&&(o=new Set,i.set(a,o)),o.add(t)}}return new Ed(t,e,n,i)}static[Td](t,e){const n=e.threeGLTF,i=e.gltf,r=JSON.parse(JSON.stringify(i)),s=new Map,a=new Map;for(let i=0;i<n.scenes.length;i++)this[Md](n.scenes[i],t.scenes[i],((t,n)=>{const i=e.threeObjectMap.get(t);if(null!=i)for(const t in i)if(null!=t&&"primitives"!==t){const e=t,o=i[e],l=r[e][o],h=s.get(n)||{};h[e]=o,s.set(n,h);const c=a.get(l)||new Set;c.add(n),a.set(l,c)}}));return new Ed(t,r,s,a)}static[Md](t,e,n){const i=(t,e)=>{if(n(t,e),t.isObject3D){if(t.isMesh)if(Array.isArray(t.material))for(let n=0;n<t.material.length;++n)i(t.material[n],e.material[n]);else i(t.material,e.material);for(let n=0;n<t.children.length;++n)i(t.children[n],e.children[n])}};i(t,e)}get threeGLTF(){return this[xd]}get gltf(){return this[bd]}get gltfElementMap(){return this[_d]}get threeObjectMap(){return this[wd]}}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const Ad=Symbol("correlatedSceneGraph");class Rd extends gd{static[pd](t){const e=super[pd](t);null==e[Ad]&&(e[Ad]=Ed.from(e));const{scene:n}=e,i=new ct(void 0,1/0);return n.traverse((t=>{t.renderOrder=1e3,t.frustumCulled=!1,t.name||(t.name=t.uuid);const n=t;if(n.isMesh){const{geometry:t}=n;n.castShadow=!0,n.isSkinnedMesh&&(t.boundingSphere=i,t.boundingBox=null);const r=n.material;if(!0===r.isMeshBasicMaterial&&(r.toneMapped=!1),r.shadowSide=0,r.aoMap){const{gltf:n,threeObjectMap:i}=e[Ad],s=i.get(r);if(null!=n.materials&&null!=s&&null!=s.materials){const e=n.materials[s.materials];e.occlusionTexture&&0===e.occlusionTexture.texCoord&&null!=t.attributes.uv&&t.setAttribute("uv2",t.attributes.uv)}}}})),e}get correlatedSceneGraph(){return this[md][Ad]}[fd](){const t=super[fd](),e=new Map;return t.scene.traverse((t=>{if(t.isMesh){const n=t,i=n.material;if(null!=i){if(e.has(i.uuid))return void(n.material=e.get(i.uuid));n.material=i.clone(),e.set(i.uuid,n.material)}}})),t[Ad]=Ed.from(t,this.correlatedSceneGraph),t}}
/* @license
 * Copyright 2021 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
class Cd extends Nr{constructor(){super(),this.position.y=-3.5;const t=new ke;t.deleteAttribute("uv");const e=new Fa({metalness:0,side:1}),n=new Fa({metalness:0}),i=new Ao(16777215,500,28,2);i.position.set(.418,16.199,.3),this.add(i);const r=new Fe(t,e);r.position.set(-.757,13.219,.717),r.scale.set(31.713,28.305,28.591),this.add(r);const s=new Fe(t,n);s.position.set(-10.906,2.009,1.846),s.rotation.set(0,-.195,0),s.scale.set(2.328,7.905,4.651),this.add(s);const a=new Fe(t,n);a.position.set(-5.607,-.754,-.758),a.rotation.set(0,.994,0),a.scale.set(1.97,1.534,3.955),this.add(a);const o=new Fe(t,n);o.position.set(6.167,.857,7.803),o.rotation.set(0,.561,0),o.scale.set(3.927,6.285,3.687),this.add(o);const l=new Fe(t,n);l.position.set(-2.017,.018,6.124),l.rotation.set(0,.333,0),l.scale.set(2.002,4.566,2.064),this.add(l);const h=new Fe(t,n);h.position.set(2.291,-.756,-2.621),h.rotation.set(0,-.286,0),h.scale.set(1.546,1.552,1.496),this.add(h);const c=new Fe(t,n);c.position.set(-2.193,-.369,-5.547),c.rotation.set(0,.516,0),c.scale.set(3.875,3.487,2.986),this.add(c);const u=new Fe(t,this.createAreaLightMaterial(50));u.position.set(-16.116,14.37,8.208),u.scale.set(.1,2.428,2.739),this.add(u);const d=new Fe(t,this.createAreaLightMaterial(50));d.position.set(-16.109,18.021,-8.207),d.scale.set(.1,2.425,2.751),this.add(d);const p=new Fe(t,this.createAreaLightMaterial(17));p.position.set(14.904,12.198,-1.832),p.scale.set(.15,4.265,6.331),this.add(p);const m=new Fe(t,this.createAreaLightMaterial(43));m.position.set(-.462,8.89,14.52),m.scale.set(4.38,5.441,.088),this.add(m);const f=new Fe(t,this.createAreaLightMaterial(20));f.position.set(3.235,11.486,-12.541),f.scale.set(2.5,2,.1),this.add(f);const g=new Fe(t,this.createAreaLightMaterial(100));g.position.set(0,20,0),g.scale.set(1,.1,1),this.add(g)}createAreaLightMaterial(t){const e=new re;return e.color.setScalar(t),e}}
/* @license
 * Copyright 2021 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */class Ld extends Nr{constructor(){super(),this.position.y=-3.5;const t=new ke;t.deleteAttribute("uv");const e=new Fa({metalness:0,side:1}),n=new Fa({metalness:0}),i=new Ao(16777215,400,28,2);i.position.set(.5,14,.5),this.add(i);const r=new Fe(t,e);r.position.set(0,13.2,0),r.scale.set(31.5,28.5,31.5),this.add(r);const s=new Fe(t,n);s.position.set(-10.906,-1,1.846),s.rotation.set(0,-.195,0),s.scale.set(2.328,7.905,4.651),this.add(s);const a=new Fe(t,n);a.position.set(-5.607,-.754,-.758),a.rotation.set(0,.994,0),a.scale.set(1.97,1.534,3.955),this.add(a);const o=new Fe(t,n);o.position.set(6.167,-.16,7.803),o.rotation.set(0,.561,0),o.scale.set(3.927,6.285,3.687),this.add(o);const l=new Fe(t,n);l.position.set(-2.017,.018,6.124),l.rotation.set(0,.333,0),l.scale.set(2.002,4.566,2.064),this.add(l);const h=new Fe(t,n);h.position.set(2.291,-.756,-2.621),h.rotation.set(0,-.286,0),h.scale.set(1.546,1.552,1.496),this.add(h);const c=new Fe(t,n);c.position.set(-2.193,-.369,-5.547),c.rotation.set(0,.516,0),c.scale.set(3.875,3.487,2.986),this.add(c);const u=new Fe(t,this.createAreaLightMaterial(80));u.position.set(-14,10,8),u.scale.set(.1,2.5,2.5),this.add(u);const d=new Fe(t,this.createAreaLightMaterial(80));d.position.set(-14,14,-4),d.scale.set(.1,2.5,2.5),this.add(d);const p=new Fe(t,this.createAreaLightMaterial(23));p.position.set(14,12,0),p.scale.set(.1,5,5),this.add(p);const m=new Fe(t,this.createAreaLightMaterial(16));m.position.set(0,9,14),m.scale.set(5,5,.1),this.add(m);const f=new Fe(t,this.createAreaLightMaterial(80));f.position.set(7,8,-14),f.scale.set(2.5,2.5,.1),this.add(f);const g=new Fe(t,this.createAreaLightMaterial(80));g.position.set(-7,16,-14),g.scale.set(2.5,2.5,.1),this.add(g);const v=new Fe(t,this.createAreaLightMaterial(1));v.position.set(0,20,0),v.scale.set(.1,.1,.1),this.add(v)}createAreaLightMaterial(t){const e=new re;return e.color.setScalar(t),e}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const Pd=/\.hdr(\.js)?$/,Dd=new fo,Id=new class extends mo{constructor(t){super(t),this.type=1016}parse(t){const e=function(t,e){switch(t){case 1:console.error("THREE.RGBELoader Read Error: "+(e||""));break;case 2:console.error("THREE.RGBELoader Write Error: "+(e||""));break;case 3:console.error("THREE.RGBELoader Bad File Format: "+(e||""));break;default:console.error("THREE.RGBELoader: Error: "+(e||""))}return-1},n=function(t,e,n){e=e||1024;let i=t.pos,r=-1,s=0,a="",o=String.fromCharCode.apply(null,new Uint16Array(t.subarray(i,i+128)));for(;0>(r=o.indexOf("\n"))&&s<e&&i<t.byteLength;)a+=o,s+=o.length,i+=128,o+=String.fromCharCode.apply(null,new Uint16Array(t.subarray(i,i+128)));return-1<r&&(!1!==n&&(t.pos+=s+r+1),a+o.slice(0,r))},i=function(t,e,n,i){const r=t[e+3],s=Math.pow(2,r-128)/255;n[i+0]=t[e+0]*s,n[i+1]=t[e+1]*s,n[i+2]=t[e+2]*s,n[i+3]=1},r=function(t,e,n,i){const r=t[e+3],s=Math.pow(2,r-128)/255;n[i+0]=nl.toHalfFloat(Math.min(t[e+0]*s,65504)),n[i+1]=nl.toHalfFloat(Math.min(t[e+1]*s,65504)),n[i+2]=nl.toHalfFloat(Math.min(t[e+2]*s,65504)),n[i+3]=nl.toHalfFloat(1)},s=new Uint8Array(t);s.pos=0;const a=function(t){const i=/^\s*GAMMA\s*=\s*(\d+(\.\d+)?)\s*$/,r=/^\s*EXPOSURE\s*=\s*(\d+(\.\d+)?)\s*$/,s=/^\s*FORMAT=(\S+)\s*$/,a=/^\s*\-Y\s+(\d+)\s+\+X\s+(\d+)\s*$/,o={valid:0,string:"",comments:"",programtype:"RGBE",format:"",gamma:1,exposure:1,width:0,height:0};let l,h;if(t.pos>=t.byteLength||!(l=n(t)))return e(1,"no header found");if(!(h=l.match(/^#\?(\S+)/)))return e(3,"bad initial token");for(o.valid|=1,o.programtype=h[1],o.string+=l+"\n";l=n(t),!1!==l;)if(o.string+=l+"\n","#"!==l.charAt(0)){if((h=l.match(i))&&(o.gamma=parseFloat(h[1])),(h=l.match(r))&&(o.exposure=parseFloat(h[1])),(h=l.match(s))&&(o.valid|=2,o.format=h[1]),(h=l.match(a))&&(o.valid|=4,o.height=parseInt(h[1],10),o.width=parseInt(h[2],10)),2&o.valid&&4&o.valid)break}else o.comments+=l+"\n";return 2&o.valid?4&o.valid?o:e(3,"missing image size specifier"):e(3,"missing format specifier")}(s);if(-1!==a){const t=a.width,n=a.height,o=function(t,n,i){const r=n;if(r<8||r>32767||2!==t[0]||2!==t[1]||128&t[2])return new Uint8Array(t);if(r!==(t[2]<<8|t[3]))return e(3,"wrong scanline width");const s=new Uint8Array(4*n*i);if(!s.length)return e(4,"unable to allocate buffer space");let a=0,o=0;const l=4*r,h=new Uint8Array(4),c=new Uint8Array(l);let u=i;for(;u>0&&o<t.byteLength;){if(o+4>t.byteLength)return e(1);if(h[0]=t[o++],h[1]=t[o++],h[2]=t[o++],h[3]=t[o++],2!=h[0]||2!=h[1]||(h[2]<<8|h[3])!=r)return e(3,"bad rgbe scanline format");let n,i=0;for(;i<l&&o<t.byteLength;){n=t[o++];const r=n>128;if(r&&(n-=128),0===n||i+n>l)return e(3,"bad scanline data");if(r){const e=t[o++];for(let t=0;t<n;t++)c[i++]=e}else c.set(t.subarray(o,o+n),i),i+=n,o+=n}const d=r;for(let t=0;t<d;t++){let e=0;s[a]=c[t+e],e+=r,s[a+1]=c[t+e],e+=r,s[a+2]=c[t+e],e+=r,s[a+3]=c[t+e],a+=4}u--}return s}(s.subarray(s.pos),t,n);if(-1!==o){let e,s,l,h;switch(this.type){case 1015:h=o.length/4;const t=new Float32Array(4*h);for(let e=0;e<h;e++)i(o,4*e,t,4*e);e=t,l=1015;break;case 1016:h=o.length/4;const n=new Uint16Array(4*h);for(let t=0;t<h;t++)r(o,4*t,n,4*t);e=n,l=1016;break;default:console.error("THREE.RGBELoader: unsupported type: ",this.type)}return{width:t,height:n,data:e,header:a.string,gamma:a.gamma,exposure:a.exposure,format:s,type:l}}}return null}setDataType(t){return this.type=t,this}load(t,e,n,i){return super.load(t,(function(t,n){switch(t.type){case 1015:case 1016:t.encoding=3e3,t.minFilter=1006,t.magFilter=1006,t.generateMipmaps=!1,t.flipY=!0}e&&e(t,n)}),n,i)}};Id.setDataType(1016);class Od extends i{constructor(t){super(),this.threeRenderer=t,this.generatedEnvironmentMap=null,this.generatedEnvironmentMapAlt=null,this.skyboxCache=new Map,this.blurMaterial=null,this.blurScene=null}async load(t,e=(()=>{})){try{const n=Pd.test(t),i=n?Id:Dd,r=await new Promise(((n,r)=>i.load(t,n,(t=>{e(t.loaded/t.total*.9)}),r)));return e(1),r.name=t,r.mapping=303,n||(r.encoding=3001),r}finally{e&&e(1)}}async generateEnvironmentMapAndSkybox(t=null,e=null,n={}){const{progressTracker:i}=n,r="neutral"===e;!0===r&&(e=null),e=ru(e);let s,a=Promise.resolve(null);t&&(a=this.loadEquirectFromUrl(t,i)),s=e?this.loadEquirectFromUrl(e,i):t?this.loadEquirectFromUrl(t,i):!0===r?this.loadGeneratedEnvironmentMapAlt():this.loadGeneratedEnvironmentMap();let[o,l]=await Promise.all([s,a]);if(null==o)throw new Error("Failed to load environment map.");return{environmentMap:o,skybox:l}}async loadEquirectFromUrl(t,e){if(!this.skyboxCache.has(t)){const n=e?e.beginActivity():()=>{},i=this.load(t,n);this.skyboxCache.set(t,i)}return this.skyboxCache.get(t)}async GenerateEnvironmentMap(t,e){await uu();const n=this.threeRenderer,i=new Xe(256,{generateMipmaps:!1,type:1016,format:1023,encoding:3e3,depthBuffer:!0}),r=new je(.1,100,i),s=r.renderTarget.texture;s.name=e;const a=n.outputEncoding,o=n.toneMapping;return n.toneMapping=0,n.outputEncoding=3e3,r.update(n,t),this.blurCubemap(i,.04),n.toneMapping=o,n.outputEncoding=a,s}async loadGeneratedEnvironmentMap(){return null==this.generatedEnvironmentMap&&(this.generatedEnvironmentMap=this.GenerateEnvironmentMap(new Cd,"default")),this.generatedEnvironmentMap}async loadGeneratedEnvironmentMapAlt(){return null==this.generatedEnvironmentMapAlt&&(this.generatedEnvironmentMapAlt=this.GenerateEnvironmentMap(new Ld,"neutral")),this.generatedEnvironmentMapAlt}blurCubemap(t,e){if(null==this.blurMaterial){this.blurMaterial=this.getBlurShader(20);const t=new ke,e=new Fe(t,this.blurMaterial);this.blurScene=new Nr,this.blurScene.add(e)}const n=t.clone();this.halfblur(t,n,e,"latitudinal"),this.halfblur(n,t,e,"longitudinal")}halfblur(t,e,n,i){const r=t.width,s=isFinite(n)?Math.PI/(2*r):2*Math.PI/39,a=n/s,o=isFinite(n)?1+Math.floor(3*a):20;o>20&&console.warn(`sigmaRadians, ${n}, is too large and will clip, as it requested ${o} samples when the maximum is set to 20`);const l=[];let h=0;for(let t=0;t<20;++t){const e=t/a,n=Math.exp(-e*e/2);l.push(n),0==t?h+=n:t<o&&(h+=2*n)}for(let t=0;t<l.length;t++)l[t]=l[t]/h;const c=this.blurMaterial.uniforms;c.envMap.value=t.texture,c.samples.value=o,c.weights.value=l,c.latitudinal.value="latitudinal"===i,c.dTheta.value=s;new je(.1,100,e).update(this.threeRenderer,this.blurScene)}getBlurShader(t){const e=new Float32Array(t),n=new V(0,1,0);return new Ve({name:"SphericalGaussianBlur",defines:{n:t},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:e},latitudinal:{value:!1},dTheta:{value:0},poleAxis:{value:n}},vertexShader:"\n      \n      varying vec3 vOutputDirection;\n  \n      void main() {\n  \n        vOutputDirection = vec3( position );\n        gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n  \n      }\n    ",fragmentShader:"\n        varying vec3 vOutputDirection;\n  \n        uniform samplerCube envMap;\n        uniform int samples;\n        uniform float weights[ n ];\n        uniform bool latitudinal;\n        uniform float dTheta;\n        uniform vec3 poleAxis;\n  \n        vec3 getSample( float theta, vec3 axis ) {\n  \n          float cosTheta = cos( theta );\n          // Rodrigues' axis-angle rotation\n          vec3 sampleDirection = vOutputDirection * cosTheta\n            + cross( axis, vOutputDirection ) * sin( theta )\n            + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n  \n          return vec3( textureCube( envMap, sampleDirection ) );\n  \n        }\n  \n        void main() {\n  \n          vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n  \n          if ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n  \n            axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n  \n          }\n  \n          axis = normalize( axis );\n  \n          gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n          gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n  \n          for ( int i = 1; i < n; i++ ) {\n  \n            if ( i >= samples ) {\n  \n              break;\n  \n            }\n  \n            float theta = dTheta * float( i );\n            gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n            gl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n  \n          }\n        }\n      ",blending:0,depthTest:!1,depthWrite:!1,side:1})}async dispose(){for(const[,t]of this.skyboxCache){(await t).dispose()}null!=this.generatedEnvironmentMap&&((await this.generatedEnvironmentMap).dispose(),this.generatedEnvironmentMap=null),null!=this.generatedEnvironmentMapAlt&&((await this.generatedEnvironmentMapAlt).dispose(),this.generatedEnvironmentMapAlt=null),null!=this.blurMaterial&&this.blurMaterial.dispose()}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const Nd=[1,.79,.62,.5,.4,.31,.25];class Fd extends i{constructor(t){super(),this.loader=new Jc(Rd),this.width=0,this.height=0,this.dpr=1,this.debugger=null,this.scenes=new Set,this.multipleScenesVisible=!1,this.scaleStep=0,this.lastStep=3,this.avgFrameDuration=22,this.onWebGLContextLost=t=>{this.dispatchEvent({type:"contextlost",sourceEvent:t})},this.onWebGLContextRestored=()=>{var t;null===(t=this.textureUtils)||void 0===t||t.dispose(),this.textureUtils=new Od(this.threeRenderer);for(const t of this.scenes)t.element[Gu]()},this.dpr=hu(),this.canvas3D=document.createElement("canvas"),this.canvas3D.id="webgl-canvas";try{this.threeRenderer=new Or({canvas:this.canvas3D,alpha:!0,antialias:!0,powerPreference:t.powerPreference,preserveDrawingBuffer:!0}),this.threeRenderer.autoClear=!0,this.threeRenderer.outputEncoding=3001,this.threeRenderer.physicallyCorrectLights=!0,this.threeRenderer.setPixelRatio(1),this.debugger=t.debug?new hd(this):null,this.threeRenderer.debug={checkShaderErrors:!!this.debugger},this.threeRenderer.toneMapping=4}catch(t){console.warn(t)}this.arRenderer=new ld(this),this.textureUtils=this.canRender?new Od(this.threeRenderer):null,Jc.initializeKTX2Loader(this.threeRenderer),this.canvas3D.addEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.addEventListener("webglcontextrestored",this.onWebGLContextRestored),this.updateRendererSize(),this.lastTick=performance.now(),this.avgFrameDuration=0}static get singleton(){return this._singleton}static resetSingleton(){const t=this._singleton.dispose();for(const e of t)e.disconnectedCallback();this._singleton=new Fd({powerPreference:(self.ModelViewerElement||{}).powerPreference||"high-performance",debug:cu()});for(const e of t)e.connectedCallback()}get canRender(){return null!=this.threeRenderer}get scaleFactor(){return Nd[this.scaleStep]}set minScale(t){let e=1;for(;e<Nd.length&&!(Nd[e]<t);)++e;this.lastStep=e-1}updateRendererSize(){const t=hu();if(t!==this.dpr)for(const t of this.scenes){const{element:e}=t;e[op](e.getBoundingClientRect())}let e=0,n=0;for(const t of this.scenes)e=Math.max(e,t.width),n=Math.max(n,t.height);if(e===this.width&&n===this.height&&t===this.dpr)return;this.width=e,this.height=n,this.dpr=t,this.canRender&&this.threeRenderer.setSize(e*t,n*t,!1);const i=this.scaleFactor,r=e/i,s=n/i;this.canvas3D.style.width=`${r}px`,this.canvas3D.style.height=`${s}px`;for(const i of this.scenes){const{canvas:a}=i;a.width=Math.round(e*t),a.height=Math.round(n*t),a.style.width=`${r}px`,a.style.height=`${s}px`,i.queueRender()}}updateRendererScale(){const t=this.scaleStep;if(this.avgFrameDuration>26?++this.scaleStep:this.avgFrameDuration<18&&this.scaleStep>0&&--this.scaleStep,this.scaleStep=Math.min(this.scaleStep,this.lastStep),t==this.scaleStep)return;const e=this.scaleFactor;this.avgFrameDuration=22;const n=this.width/e,i=this.height/e;this.canvas3D.style.width=`${n}px`,this.canvas3D.style.height=`${i}px`;for(const t of this.scenes){const{style:e}=t.canvas;e.width=`${n}px`,e.height=`${i}px`,t.queueRender(),this.dispatchRenderScale(t)}}dispatchRenderScale(t){const e=this.scaleFactor,n=this.dpr*e,i=e<1?"GPU throttling":this.dpr!==window.devicePixelRatio?"No meta viewport tag":"";t.element.dispatchEvent(new CustomEvent("render-scale",{detail:{reportedDpr:window.devicePixelRatio,renderedDpr:n,minimumDpr:this.dpr*Nd[this.lastStep],pixelWidth:Math.ceil(t.width*n),pixelHeight:Math.ceil(t.height*n),reason:i}}))}registerScene(t){this.scenes.add(t);const{canvas:e}=t,n=this.scaleFactor;e.width=Math.round(this.width*this.dpr),e.height=Math.round(this.height*this.dpr),e.style.width=this.width/n+"px",e.style.height=this.height/n+"px",this.multipleScenesVisible&&e.classList.add("show"),t.queueRender(),this.dispatchRenderScale(t),this.canRender&&this.scenes.size>0&&this.threeRenderer.setAnimationLoop(((t,e)=>this.render(t,e))),null!=this.debugger&&this.debugger.addScene(t)}unregisterScene(t){this.scenes.delete(t),this.canRender&&0===this.scenes.size&&this.threeRenderer.setAnimationLoop(null),null!=this.debugger&&this.debugger.removeScene(t)}displayCanvas(t){return this.multipleScenesVisible?t.element[bp]:this.canvas3D}selectCanvas(){let t=0,e=null;for(const n of this.scenes){const{element:i}=n;i.modelIsVisible&&null==n.externalRenderer&&(++t,e=n.canvas)}if(null==e)return;const n=t>1,{canvas3D:i}=this;if(n!==this.multipleScenesVisible||!n&&i.parentElement!==e.parentElement){this.multipleScenesVisible=n,n&&i.classList.remove("show");for(const t of this.scenes){if(null!=t.externalRenderer)continue;const r=t.element[bp];n?(r.classList.add("show"),t.queueRender()):t.canvas===e&&(t.canvas.parentElement.appendChild(i),i.classList.add("show"),r.classList.remove("show"),t.queueRender())}}}orderedScenes(){const t=[];for(const e of[!1,!0])for(const n of this.scenes)n.element.modelIsVisible===e&&t.push(n);return t}get isPresenting(){return this.arRenderer.isPresenting}preRender(t,e,n){const{element:i,exposure:r}=t;i[Mp](e,n);const s="number"==typeof r&&!self.isNaN(r);this.threeRenderer.toneMappingExposure=s?r:1}render(t,e){if(null!=e)return void this.arRenderer.onWebXRFrame(t,e);const n=t-this.lastTick;if(this.lastTick=t,!this.canRender||this.isPresenting)return;this.avgFrameDuration+=lu(.2*(n-this.avgFrameDuration),-2,2),this.selectCanvas(),this.updateRendererSize(),this.updateRendererScale();const{dpr:i,scaleFactor:r}=this;for(const e of this.orderedScenes()){const{element:s}=e;if(!s.modelIsVisible&&e.renderCount>0)continue;if(this.preRender(e,t,n),!e.shouldRender())continue;if(null!=e.externalRenderer){const t=e.getCamera();t.updateMatrix();const{matrix:n,projectionMatrix:i}=t,r=n.elements.slice(),s=e.getTarget();r[12]+=s.x,r[13]+=s.y,r[14]+=s.z,e.externalRenderer.render({viewMatrix:r,projectionMatrix:i.elements});continue}if(!s.modelIsVisible&&!this.multipleScenesVisible)for(const t of this.scenes)t.element.modelIsVisible&&t.queueRender();const a=Math.min(Math.ceil(e.width*r*i),this.canvas3D.width),o=Math.min(Math.ceil(e.height*r*i),this.canvas3D.height);if(e.renderShadow(this.threeRenderer),this.threeRenderer.setRenderTarget(null),this.threeRenderer.setViewport(0,Math.floor(this.height*i)-o,a,o),this.threeRenderer.render(e,e.camera),this.multipleScenesVisible){null==e.context&&e.createContext();const t=e.context;t.clearRect(0,0,a,o),t.drawImage(this.canvas3D,0,0,a,o,0,0,a,o)}e.hasRendered(),s.loaded&&++e.renderCount}}dispose(){null!=this.textureUtils&&this.textureUtils.dispose(),null!=this.threeRenderer&&this.threeRenderer.dispose(),this.textureUtils=null,this.threeRenderer=null;const t=[];for(const e of this.scenes)t.push(e.element);return this.canvas3D.removeEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.removeEventListener("webglcontextrestored",this.onWebGLContextRestored),t}}Fd._singleton=new Fd({powerPreference:(self.ModelViewerElement||{}).powerPreference||"high-performance",debug:cu()});
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
class Ud extends EventTarget{constructor(){super(...arguments),this.ongoingActivities=new Set,this.totalProgress=0}get ongoingActivityCount(){return this.ongoingActivities.size}beginActivity(){const t={progress:0,completed:!1};return this.ongoingActivities.add(t),1===this.ongoingActivityCount&&this.announceTotalProgress(t,0),e=>{let n;return n=Math.max(lu(e,0,1),t.progress),n!==t.progress&&this.announceTotalProgress(t,n),t.progress}}announceTotalProgress(t,e){let n=0,i=0;1==e&&(t.completed=!0);for(const t of this.ongoingActivities){const{progress:e}=t;n+=1-e,!0===t.completed&&i++}const r=t.progress;t.progress=e,this.totalProgress+=(e-r)*(1-this.totalProgress)/n;const s=i===this.ongoingActivityCount?1:this.totalProgress;this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:s}})),i===this.ongoingActivityCount&&(this.totalProgress=0,this.ongoingActivities.clear())}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */var kd,Bd,zd,Hd,Vd,Gd,Wd,jd,qd,Xd,$d,Yd,Jd=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Kd=document.createElement("canvas"),Zd=Symbol("fallbackResizeHandler"),Qd=Symbol("defaultAriaLabel"),tp=Symbol("resizeObserver"),ep=Symbol("clearModelTimeout"),np=Symbol("onContextLost"),ip=Symbol("loaded"),rp=Symbol("status"),sp=Symbol("onFocus"),ap=Symbol("onBlur"),op=Symbol("updateSize"),lp=Symbol("intersectionObserver"),hp=Symbol("isElementInViewport"),cp=Symbol("announceModelVisibility"),up=Symbol("ariaLabel"),dp=Symbol("altDefaulted"),pp=Symbol("statusElement"),mp=Symbol("updateStatus"),fp=Symbol("loadedTime"),gp=Symbol("updateSource"),vp=Symbol("markLoaded"),yp=Symbol("container"),xp=Symbol("input"),bp=Symbol("canvas"),_p=Symbol("scene"),wp=Symbol("needsRender"),Mp=Symbol("tick"),Sp=Symbol("onModelLoad"),Tp=Symbol("onResize"),Ep=Symbol("renderer"),Ap=Symbol("progressTracker"),Rp=Symbol("getLoaded"),Cp=Symbol("getModelIsVisible"),Lp=Symbol("shouldAttemptPreload"),Pp=Symbol("sceneIsReady"),Dp=Symbol("hasTransitioned"),Ip=t=>({x:t.x,y:t.y,z:t.z,toString(){return`${this.x}m ${this.y}m ${this.z}m`}}),Op=t=>({u:t.x,v:t.y,toString(){return`${this.u} ${this.v}`}});class Np extends Ml{constructor(){super(),this.alt=null,this.src=null,this.withCredentials=!1,this[kd]=!1,this[Bd]=!1,this[zd]=0,this[Hd]=null,this[Vd]=ou((()=>{const t=this.getBoundingClientRect();this[op](t)}),50),this[Gd]=ou((t=>{const e=this.modelIsVisible;e!==t&&this.dispatchEvent(new CustomEvent("model-visibility",{detail:{visible:e}}))}),0),this[Wd]=null,this[jd]=null,this[qd]=new Ud,this[Xd]=()=>{this[pp].textContent=this[rp]},this[$d]=()=>{this[pp].textContent=""},this[Yd]=t=>{this.dispatchEvent(new CustomEvent("error",{detail:{type:"webglcontextlost",sourceError:t.sourceEvent}}))},this.attachShadow({mode:"open"});const t=this.shadowRoot;let e,n;if((t=>{jl(bh,t)})(t),this[yp]=t.querySelector(".container"),this[xp]=t.querySelector(".userInput"),this[bp]=t.querySelector("canvas"),this[pp]=t.querySelector("#status"),this[Qd]=this[xp].getAttribute("aria-label"),this.isConnected){const t=this.getBoundingClientRect();e=t.width,n=t.height}else e=300,n=150;this[_p]=new Bu({canvas:this[bp],element:this,width:e,height:n}),this[_p].addEventListener("model-load",(async t=>{this[vp](),this[Sp](),await uu(),this.dispatchEvent(new CustomEvent("load",{detail:{url:t.url}}))})),Promise.resolve().then((()=>{this[op](this.getBoundingClientRect())})),uh&&(this[tp]=new ResizeObserver((t=>{if(!this[Ep].isPresenting)for(let e of t)e.target===this&&this[op](e.contentRect)}))),dh?this[lp]=new IntersectionObserver((t=>{for(let e of t)if(e.target===this){const t=this.modelIsVisible;this[hp]=e.isIntersecting,this[cp](t),this[hp]&&!this[Pp]()&&this[gp]()}}),{root:null,rootMargin:"0px",threshold:0}):this[hp]=!0}static get is(){return"model-viewer"}static set modelCacheSize(t){Jc[$c].evictionThreshold=t}static get modelCacheSize(){return Jc[$c].evictionThreshold}static set minimumRenderScale(t){t>1&&console.warn("<model-viewer> minimumRenderScale has been clamped to a maximum value of 1."),t<=0&&console.warn("<model-viewer> minimumRenderScale has been clamped to a minimum value of 0.25."),Fd.singleton.minScale=t}static get minimumRenderScale(){return Fd.singleton.minScale}get loaded(){return this[Rp]()}get[(kd=hp,Bd=ip,zd=fp,Hd=ep,Vd=Zd,Gd=cp,Wd=tp,jd=lp,qd=Ap,Ep)](){return Fd.singleton}get modelIsVisible(){return this[Cp]()}connectedCallback(){super.connectedCallback&&super.connectedCallback(),uh?this[tp].observe(this):self.addEventListener("resize",this[Zd]),dh&&this[lp].observe(this),this.addEventListener("focus",this[sp]),this.addEventListener("blur",this[ap]);const t=this[Ep];t.addEventListener("contextlost",this[np]),t.registerScene(this[_p]),null!=this[ep]&&(self.clearTimeout(this[ep]),this[ep]=null,this.requestUpdate("src",null))}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),uh?this[tp].unobserve(this):self.removeEventListener("resize",this[Zd]),dh&&this[lp].unobserve(this),this.removeEventListener("focus",this[sp]),this.removeEventListener("blur",this[ap]);const t=this[Ep];t.removeEventListener("contextlost",this[np]),t.unregisterScene(this[_p]),this[ep]=self.setTimeout((()=>{this[_p].reset()}),1e3)}updated(t){super.updated(t),t.has("src")&&(null==this.src?(this[ip]=!1,this[fp]=0,this[_p].reset()):this.src!==this[_p].url&&(this[ip]=!1,this[fp]=0,this[gp]())),t.has("alt")&&this[xp].setAttribute("aria-label",this[up]),t.has("withCredentials")&&(Jc.withCredentials=this.withCredentials)}toDataURL(t,e){return this[Ep].displayCanvas(this[_p]).toDataURL(t,e)}async toBlob(t){const e=t?t.mimeType:void 0,n=t?t.qualityArgument:void 0,i=t?t.idealAspect:void 0,{width:r,height:s,idealAspect:a,aspect:o}=this[_p],{dpr:l,scaleFactor:h}=this[Ep];let c=r*h*l,u=s*h*l,d=0,p=0;if(!0===i)if(a>o){const t=u;u=Math.round(c/a),p=(t-u)/2}else{const t=c;c=Math.round(u*a),d=(t-c)/2}Kd.width=c,Kd.height=u;try{return new Promise((async(t,i)=>(Kd.getContext("2d").drawImage(this[Ep].displayCanvas(this[_p]),d,p,c,u,0,0,c,u),!Kd.msToBlob||e&&"image/png"!==e?Kd.toBlob?void Kd.toBlob((e=>{if(!e)return i(new Error("Unable to retrieve canvas blob"));t(e)}),e,n):t(await(async t=>new Promise(((e,n)=>{const i=t.match(/data:(.*);/);if(!i)return n(new Error(`${t} is not a valid data Url`));const r=i[1],s=t.replace(/data:image\/\w+;base64,/,""),a=atob(s),o=[];for(let t=0;t<a.length;t+=512){const e=a.slice(t,t+512),n=new Array(e.length);for(let t=0;t<e.length;t++)n[t]=e.charCodeAt(t);const i=new Uint8Array(n);o.push(i)}e(new Blob(o,{type:r}))})))(Kd.toDataURL(e,n))):t(Kd.msToBlob()))))}finally{this[op]({width:r,height:s})}}registerRenderer(t){this[_p].externalRenderer=t}unregisterRenderer(){this[_p].externalRenderer=null}get[up](){return this[dp]}get[dp](){return null==this.alt||"null"===this.alt?this[Qd]:this.alt}[Rp](){return this[ip]}[Cp](){return this.loaded&&this[hp]}[Dp](){return this.modelIsVisible}[Lp](){return!!this.src&&this[hp]}[Pp](){return this[ip]}[op]({width:t,height:e}){this[yp].style.width=`${t}px`,this[yp].style.height=`${e}px`,this[Tp]({width:parseFloat(t),height:parseFloat(e)})}[Mp](t,e){}[vp](){this[ip]||(this[ip]=!0,this[fp]=performance.now())}[wp](){this[_p].queueRender()}[Sp](){}[mp](t){this[rp]=t;const e=this.getRootNode();null!=e&&e.activeElement===this&&this[pp].textContent!=t&&(this[pp].textContent=t)}[(Xd=sp,$d=ap,Tp)](t){this[_p].setSize(t.width,t.height)}async[(Yd=np,gp)](){if(this.loaded||!this[Lp]())return;const t=this[Ap].beginActivity(),e=this.src;try{await this[_p].setSource(e,(e=>t(.95*e)));const n={url:e};this.dispatchEvent(new CustomEvent("preload",{detail:n}))}catch(t){this.dispatchEvent(new CustomEvent("error",{detail:t}))}finally{requestAnimationFrame((()=>{requestAnimationFrame((()=>{t(1)}))}))}}}Jd([e({type:String})],Np.prototype,"alt",void 0),Jd([e({type:String})],Np.prototype,"src",void 0),Jd([e({type:Boolean,attribute:"with-credentials"})],Np.prototype,"withCredentials",void 0);
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var Fp=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Up=Symbol("changeAnimation"),kp=Symbol("paused"),Bp={repetitions:1/0,pingpong:!1},zp=Symbol("hotspotMap"),Hp=Symbol("mutationCallback"),Vp=Symbol("observer"),Gp=Symbol("addHotspot"),Wp=Symbol("removeHotspot"),jp=new xt,qp=new v;
/*!
fflate - fast JavaScript compression/decompression
<https://101arrowz.github.io/fflate>
Licensed under MIT. https://github.com/101arrowz/fflate/blob/master/LICENSE
version 0.6.9
*/
var Xp=function(t){return URL.createObjectURL(new Blob([t],{type:"text/javascript"}))};try{URL.revokeObjectURL(Xp(""))}catch(Al){Xp=function(t){return"data:application/javascript;charset=UTF-8,"+encodeURI(t)}}var $p=Uint8Array,Yp=Uint16Array,Jp=Uint32Array,Kp=new $p([0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0,0]),Zp=new $p([0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,0,0]),Qp=new $p([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]),tm=function(t,e){for(var n=new Yp(31),i=0;i<31;++i)n[i]=e+=1<<t[i-1];var r=new Jp(n[30]);for(i=1;i<30;++i)for(var s=n[i];s<n[i+1];++s)r[s]=s-n[i]<<5|i;return[n,r]},em=tm(Kp,2),nm=em[0],im=em[1];nm[28]=258,im[258]=28;for(var rm=tm(Zp,0)[1],sm=new Yp(32768),am=0;am<32768;++am){var om=(43690&am)>>>1|(21845&am)<<1;om=(61680&(om=(52428&om)>>>2|(13107&om)<<2))>>>4|(3855&om)<<4,sm[am]=((65280&om)>>>8|(255&om)<<8)>>>1}var lm=function(t,e,n){for(var i=t.length,r=0,s=new Yp(e);r<i;++r)++s[t[r]-1];var a,o=new Yp(e);for(r=0;r<e;++r)o[r]=o[r-1]+s[r-1]<<1;if(n){a=new Yp(1<<e);var l=15-e;for(r=0;r<i;++r)if(t[r])for(var h=r<<4|t[r],c=e-t[r],u=o[t[r]-1]++<<c,d=u|(1<<c)-1;u<=d;++u)a[sm[u]>>>l]=h}else for(a=new Yp(i),r=0;r<i;++r)t[r]&&(a[r]=sm[o[t[r]-1]++]>>>15-t[r]);return a},hm=new $p(288);for(am=0;am<144;++am)hm[am]=8;for(am=144;am<256;++am)hm[am]=9;for(am=256;am<280;++am)hm[am]=7;for(am=280;am<288;++am)hm[am]=8;var cm=new $p(32);for(am=0;am<32;++am)cm[am]=5;var um=lm(hm,9,0),dm=lm(cm,5,0),pm=function(t){return(t/8|0)+(7&t&&1)},mm=function(t,e,n){(null==e||e<0)&&(e=0),(null==n||n>t.length)&&(n=t.length);var i=new(t instanceof Yp?Yp:t instanceof Jp?Jp:$p)(n-e);return i.set(t.subarray(e,n)),i},fm=function(t,e,n){n<<=7&e;var i=e/8|0;t[i]|=n,t[i+1]|=n>>>8},gm=function(t,e,n){n<<=7&e;var i=e/8|0;t[i]|=n,t[i+1]|=n>>>8,t[i+2]|=n>>>16},vm=function(t,e){for(var n=[],i=0;i<t.length;++i)t[i]&&n.push({s:i,f:t[i]});var r=n.length,s=n.slice();if(!r)return[Sm,0];if(1==r){var a=new $p(n[0].s+1);return a[n[0].s]=1,[a,1]}n.sort((function(t,e){return t.f-e.f})),n.push({s:-1,f:25001});var o=n[0],l=n[1],h=0,c=1,u=2;for(n[0]={s:-1,f:o.f+l.f,l:o,r:l};c!=r-1;)o=n[n[h].f<n[u].f?h++:u++],l=n[h!=c&&n[h].f<n[u].f?h++:u++],n[c++]={s:-1,f:o.f+l.f,l:o,r:l};var d=s[0].s;for(i=1;i<r;++i)s[i].s>d&&(d=s[i].s);var p=new Yp(d+1),m=ym(n[c-1],p,0);if(m>e){i=0;var f=0,g=m-e,v=1<<g;for(s.sort((function(t,e){return p[e.s]-p[t.s]||t.f-e.f}));i<r;++i){var y=s[i].s;if(!(p[y]>e))break;f+=v-(1<<m-p[y]),p[y]=e}for(f>>>=g;f>0;){var x=s[i].s;p[x]<e?f-=1<<e-p[x]++-1:++i}for(;i>=0&&f;--i){var b=s[i].s;p[b]==e&&(--p[b],++f)}m=e}return[new $p(p),m]},ym=function(t,e,n){return-1==t.s?Math.max(ym(t.l,e,n+1),ym(t.r,e,n+1)):e[t.s]=n},xm=function(t){for(var e=t.length;e&&!t[--e];);for(var n=new Yp(++e),i=0,r=t[0],s=1,a=function(t){n[i++]=t},o=1;o<=e;++o)if(t[o]==r&&o!=e)++s;else{if(!r&&s>2){for(;s>138;s-=138)a(32754);s>2&&(a(s>10?s-11<<5|28690:s-3<<5|12305),s=0)}else 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B=U[k];for(S=0;S<B.length;++S){var z=31&B[S];fm(e,c,F[z]),c+=E[z],z>15&&(fm(e,c,B[S]>>>5&127),c+=B[S]>>>12)}}}else C=um,L=hm,P=dm,D=cm;for(S=0;S<o;++S)if(i[S]>255){z=i[S]>>>18&31;gm(e,c,C[z+257]),c+=L[z+257],z>7&&(fm(e,c,i[S]>>>23&31),c+=Kp[z]);var H=31&i[S];gm(e,c,P[H]),c+=D[H],H>3&&(gm(e,c,i[S]>>>5&8191),c+=Zp[H])}else gm(e,c,C[i[S]]),c+=L[i[S]];return gm(e,c,C[256]),c+L[256]},Mm=new Jp([65540,131080,131088,131104,262176,1048704,1048832,2114560,2117632]),Sm=new $p(0),Tm=function(){for(var t=new Jp(256),e=0;e<256;++e){for(var n=e,i=9;--i;)n=(1&n&&3988292384)^n>>>1;t[e]=n}return t}(),Em=function(){var t=-1;return{p:function(e){for(var n=t,i=0;i<e.length;++i)n=Tm[255&n^e[i]]^n>>>8;t=n},d:function(){return~t}}},Am=function(t,e,n,i,r){return function(t,e,n,i,r,s){var a=t.length,o=new $p(i+a+5*(1+Math.ceil(a/7e3))+r),l=o.subarray(i,o.length-r),h=0;if(!e||a<8)for(var c=0;c<=a;c+=65535){var u=c+65535;u<a?h=_m(l,h,t.subarray(c,u)):(l[c]=s,h=_m(l,h,t.subarray(c,a)))}else{for(var d=Mm[e-1],p=d>>>13,m=8191&d,f=(1<<n)-1,g=new Yp(32768),v=new Yp(f+1),y=Math.ceil(n/3),x=2*y,b=function(e){return(t[e]^t[e+1]<<y^t[e+2]<<x)&f},_=new Jp(25e3),w=new Yp(288),M=new Yp(32),S=0,T=0,E=(c=0,0),A=0,R=0;c<a;++c){var C=b(c),L=32767&c,P=v[C];if(g[L]=P,v[C]=L,A<=c){var D=a-c;if((S>7e3||E>24576)&&D>423){h=wm(t,l,0,_,w,M,T,E,R,c-R,h),E=S=T=0,R=c;for(var I=0;I<286;++I)w[I]=0;for(I=0;I<30;++I)M[I]=0}var O=2,N=0,F=m,U=L-P&32767;if(D>2&&C==b(c-U))for(var k=Math.min(p,D)-1,B=Math.min(32767,c),z=Math.min(258,D);U<=B&&--F&&L!=P;){if(t[c+O]==t[c+O-U]){for(var H=0;H<z&&t[c+H]==t[c+H-U];++H);if(H>O){if(O=H,N=U,H>k)break;var V=Math.min(U,H-2),G=0;for(I=0;I<V;++I){var W=c-U+I+32768&32767,j=W-g[W]+32768&32767;j>G&&(G=j,P=W)}}}U+=(L=P)-(P=g[L])+32768&32767}if(N){_[E++]=268435456|im[O]<<18|rm[N];var q=31&im[O],X=31&rm[N];T+=Kp[q]+Zp[X],++w[257+q],++M[X],A=c+O,++S}else _[E++]=t[c],++w[t[c]]}}h=wm(t,l,s,_,w,M,T,E,R,c-R,h),!s&&7&h&&(h=_m(l,h+1,Sm))}return mm(o,0,i+pm(h)+r)}(t,null==e.level?6:e.level,null==e.mem?Math.ceil(1.5*Math.max(8,Math.min(13,Math.log(t.length)))):12+e.mem,n,i,!r)},Rm=function(t,e){var n={};for(var i in t)n[i]=t[i];for(var i in e)n[i]=e[i];return n},Cm=function(t,e,n){for(;n;++e)t[e]=n,n>>>=8};function Lm(t,e){return Am(t,e||{},0,0)}var Pm=function(t,e,n,i){for(var r in t){var s=t[r],a=e+r;s instanceof $p?n[a]=[s,i]:Array.isArray(s)?n[a]=[s[0],Rm(i,s[1])]:Pm(s,a+"/",n,i)}},Dm="undefined"!=typeof TextEncoder&&new TextEncoder,Im="undefined"!=typeof TextDecoder&&new TextDecoder;try{Im.decode(Sm,{stream:!0}),1}catch(Al){}function Om(t,e){if(e){for(var n=new $p(t.length),i=0;i<t.length;++i)n[i]=t.charCodeAt(i);return n}if(Dm)return Dm.encode(t);var r=t.length,s=new $p(t.length+(t.length>>1)),a=0,o=function(t){s[a++]=t};for(i=0;i<r;++i){if(a+5>s.length){var l=new $p(a+8+(r-i<<1));l.set(s),s=l}var h=t.charCodeAt(i);h<128||e?o(h):h<2048?(o(192|h>>6),o(128|63&h)):h>55295&&h<57344?(o(240|(h=65536+(1047552&h)|1023&t.charCodeAt(++i))>>18),o(128|h>>12&63),o(128|h>>6&63),o(128|63&h)):(o(224|h>>12),o(128|h>>6&63),o(128|63&h))}return mm(s,0,a)}var Nm=function(t){var e=0;if(t)for(var n in t){var i=t[n].length;if(i>65535)throw"extra field too long";e+=i+4}return e},Fm=function(t,e,n,i,r,s,a,o){var l=i.length,h=n.extra,c=o&&o.length,u=Nm(h);Cm(t,e,null!=a?33639248:67324752),e+=4,null!=a&&(t[e++]=20,t[e++]=n.os),t[e]=20,e+=2,t[e++]=n.flag<<1|(null==s&&8),t[e++]=r&&8,t[e++]=255&n.compression,t[e++]=n.compression>>8;var d=new Date(null==n.mtime?Date.now():n.mtime),p=d.getFullYear()-1980;if(p<0||p>119)throw"date not in range 1980-2099";if(Cm(t,e,p<<25|d.getMonth()+1<<21|d.getDate()<<16|d.getHours()<<11|d.getMinutes()<<5|d.getSeconds()>>>1),e+=4,null!=s&&(Cm(t,e,n.crc),Cm(t,e+4,s),Cm(t,e+8,n.size)),Cm(t,e+12,l),Cm(t,e+14,u),e+=16,null!=a&&(Cm(t,e,c),Cm(t,e+6,n.attrs),Cm(t,e+10,a),e+=14),t.set(i,e),e+=l,u)for(var m in h){var f=h[m],g=f.length;Cm(t,e,+m),Cm(t,e+2,g),t.set(f,e+4),e+=4+g}return c&&(t.set(o,e),e+=c),e};function Um(t,e){e||(e={});var n={},i=[];Pm(t,"",n,e);var r=0,s=0;for(var a in n){var o=n[a],l=o[0],h=o[1],c=0==h.level?0:8,u=(M=Om(a)).length,d=h.comment,p=d&&Om(d),m=p&&p.length,f=Nm(h.extra);if(u>65535)throw"filename too long";var g=c?Lm(l,h):l,v=g.length,y=Em();y.p(l),i.push(Rm(h,{size:l.length,crc:y.d(),c:g,f:M,m:p,u:u!=a.length||p&&d.length!=m,o:r,compression:c})),r+=30+u+f+v,s+=76+2*(u+f)+(m||0)+v}for(var x=new $p(s+22),b=r,_=s-r,w=0;w<i.length;++w){var M=i[w];Fm(x,M.o,M,M.f,M.u,M.c.length);var S=30+M.f.length+Nm(M.extra);x.set(M.c,M.o+S),Fm(x,r,M,M.f,M.u,M.c.length,M.o,M.m),r+=16+S+(M.m?M.m.length:0)}return function(t,e,n,i,r){Cm(t,e,101010256),Cm(t,e+8,n),Cm(t,e+10,n),Cm(t,e+12,i),Cm(t,e+16,r)}(x,r,i.length,_,b),x}class km{async parse(t){const e={};e["model.usda"]=null;let n=zm();const i={},r={};t.traverseVisible((t=>{if(t.isMesh)if(t.material.isMeshStandardMaterial){const r=t.geometry,s=t.material,a="geometries/Geometry_"+r.id+".usd";if(!(a in e)){const t=function(t){return`\ndef "Geometry"\n{\n  ${function(t){const e="Geometry",n=t.attributes,i=n.position.count;return`\n    def Mesh "${e}"\n    {\n        int[] faceVertexCounts = [${function(t){const e=null!==t.index?t.index.count:t.attributes.position.count;return Array(e/3).fill(3).join(", ")}(t)}]\n        int[] faceVertexIndices = [${function(t){const e=t.index,n=[];if(null!==e)for(let t=0;t<e.count;t++)n.push(e.getX(t));else{const e=t.attributes.position.count;for(let t=0;t<e;t++)n.push(t)}return n.join(", ")}(t)}]\n        normal3f[] normals = [${Vm(n.normal,i)}] (\n            interpolation = "vertex"\n        )\n        point3f[] points = [${Vm(n.position,i)}]\n        float2[] primvars:st = [${function(t,e){if(void 0===t)return console.warn("USDZExporter: UVs missing."),Array(e).fill("(0, 0)").join(", ");const n=[];for(let e=0;e<t.count;e++){const i=t.getX(e),r=t.getY(e);n.push(`(${i.toPrecision(7)}, ${1-r.toPrecision(7)})`)}return n.join(", ")}(n.uv,i)}] (\n            interpolation = "vertex"\n        )\n        uniform token subdivisionScheme = "none"\n    }\n`}(t)}\n}\n`}(r);e[a]=function(t){let e=zm();return e+=t,Om(e)}(t)}s.uuid in i||(i[s.uuid]=s),n+=function(t,e,n){const i="Object_"+t.id,r=function(t){const e=t.elements;return`( ${Hm(e,0)}, ${Hm(e,4)}, ${Hm(e,8)}, ${Hm(e,12)} )`}(t.matrixWorld);t.matrixWorld.determinant()<0&&console.warn("THREE.USDZExporter: USDZ does not support negative scales",t);return`def Xform "${i}" (\n    prepend references = @./geometries/Geometry_${e.id}.usd@</Geometry>\n)\n{\n    matrix4d xformOp:transform = ${r}\n    uniform token[] xformOpOrder = ["xformOp:transform"]\n\n    rel material:binding = </Materials/Material_${n.id}>\n}\n\n`}(t,r,s)}else console.warn("THREE.USDZExporter: Unsupported material type (USDZ only supports MeshStandardMaterial)",t)})),n+=function(t,e){const n=[];for(const i in t){const r=t[i];n.push(Gm(r,e))}return`def "Materials"\n{\n${n.join("")}\n}\n\n`}(i,r),e["model.usda"]=Om(n),n=null;for(const t in r){const n=r[t],i=t.split("_")[1],s=1023===n.format,a=Bm(n.image,i),o=await new Promise((t=>a.toBlob(t,s?"image/png":"image/jpeg",1)));e[`textures/Texture_${t}.${s?"png":"jpg"}`]=new Uint8Array(await o.arrayBuffer())}let s=0;for(const t in e){const n=e[t];s+=34+t.length;const i=63&s;if(4!==i){const r=new Uint8Array(64-i);e[t]=[n,{extra:{12345:r}}]}s=n.length}return Um(e,{level:0})}}function Bm(t,e){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const n=1024/Math.max(t.width,t.height),i=document.createElement("canvas");i.width=t.width*Math.min(1,n),i.height=t.height*Math.min(1,n);const r=i.getContext("2d");if(r.drawImage(t,0,0,i.width,i.height),void 0!==e){const t=parseInt(e,16),n=(t>>16&255)/255,s=(t>>8&255)/255,a=(255&t)/255,o=r.getImageData(0,0,i.width,i.height),l=o.data;for(let t=0;t<l.length;t+=4)l[t+0]=l[t+0]*n,l[t+1]=l[t+1]*s,l[t+2]=l[t+2]*a;r.putImageData(o,0,0)}return i}}function zm(){return'#usda 1.0\n(\n    customLayerData = {\n        string creator = "Three.js USDZExporter"\n    }\n    metersPerUnit = 1\n    upAxis = "Y"\n)\n\n'}function Hm(t,e){return`(${t[e+0]}, ${t[e+1]}, ${t[e+2]}, ${t[e+3]})`}function Vm(t,e){if(void 0===t)return console.warn("USDZExporter: Normals missing."),Array(e).fill("(0, 0, 0)").join(", ");const n=[];for(let e=0;e<t.count;e++){const i=t.getX(e),r=t.getY(e),s=t.getZ(e);n.push(`(${i.toPrecision(7)}, ${r.toPrecision(7)}, ${s.toPrecision(7)})`)}return n.join(", ")}function Gm(t,e){const n="            ",i=[],r=[];function s(n,i,r){const s=n.id+(r?"_"+r.getHexString():""),a=1023===n.format;return e[s]=n,`\n        def Shader "Transform2d_${i}" (\n            sdrMetadata = {\n                string role = "math"\n            }\n        )\n        {\n            uniform token info:id = "UsdTransform2d"\n            float2 inputs:in.connect = </Materials/Material_${t.id}/uvReader_st.outputs:result>\n            float2 inputs:scale = ${jm(n.repeat)}\n            float2 inputs:translation = ${jm(n.offset)}\n            float2 outputs:result\n        }\n\n        def Shader "Texture_${n.id}_${i}"\n        {\n            uniform token info:id = "UsdUVTexture"\n            asset inputs:file = @textures/Texture_${s}.${a?"png":"jpg"}@\n            float2 inputs:st.connect = </Materials/Material_${t.id}/Transform2d_${i}.outputs:result>\n            token inputs:wrapS = "repeat"\n            token inputs:wrapT = "repeat"\n            float outputs:r\n            float outputs:g\n            float outputs:b\n            float3 outputs:rgb\n            ${t.transparent||t.alphaTest>0?"float outputs:a":""}\n        }`}return null!==t.map?(i.push(`${n}color3f inputs:diffuseColor.connect = </Materials/Material_${t.id}/Texture_${t.map.id}_diffuse.outputs:rgb>`),t.transparent?i.push(`${n}float inputs:opacity.connect = </Materials/Material_${t.id}/Texture_${t.map.id}_diffuse.outputs:a>`):t.alphaTest>0&&(i.push(`${n}float inputs:opacity.connect = </Materials/Material_${t.id}/Texture_${t.map.id}_diffuse.outputs:a>`),i.push(`${n}float inputs:opacityThreshold = ${t.alphaTest}`)),r.push(s(t.map,"diffuse",t.color))):i.push(`${n}color3f inputs:diffuseColor = ${Wm(t.color)}`),null!==t.emissiveMap?(i.push(`${n}color3f inputs:emissiveColor.connect = </Materials/Material_${t.id}/Texture_${t.emissiveMap.id}_emissive.outputs:rgb>`),r.push(s(t.emissiveMap,"emissive"))):t.emissive.getHex()>0&&i.push(`${n}color3f inputs:emissiveColor = ${Wm(t.emissive)}`),null!==t.normalMap&&(i.push(`${n}normal3f inputs:normal.connect = </Materials/Material_${t.id}/Texture_${t.normalMap.id}_normal.outputs:rgb>`),r.push(s(t.normalMap,"normal"))),null!==t.aoMap&&(i.push(`${n}float inputs:occlusion.connect = </Materials/Material_${t.id}/Texture_${t.aoMap.id}_occlusion.outputs:r>`),r.push(s(t.aoMap,"occlusion"))),null!==t.roughnessMap&&1===t.roughness?(i.push(`${n}float inputs:roughness.connect = </Materials/Material_${t.id}/Texture_${t.roughnessMap.id}_roughness.outputs:g>`),r.push(s(t.roughnessMap,"roughness"))):i.push(`${n}float inputs:roughness = ${t.roughness}`),null!==t.metalnessMap&&1===t.metalness?(i.push(`${n}float inputs:metallic.connect = </Materials/Material_${t.id}/Texture_${t.metalnessMap.id}_metallic.outputs:b>`),r.push(s(t.metalnessMap,"metallic"))):i.push(`${n}float inputs:metallic = ${t.metalness}`),null!==t.alphaMap?(i.push(`${n}float inputs:opacity.connect = </Materials/Material_${t.id}/Texture_${t.alphaMap.id}_opacity.outputs:r>`),i.push(`${n}float inputs:opacityThreshold = 0.0001`),r.push(s(t.alphaMap,"opacity"))):i.push(`${n}float inputs:opacity = ${t.opacity}`),t.isMeshPhysicalMaterial&&(i.push(`${n}float inputs:clearcoat = ${t.clearcoat}`),i.push(`${n}float inputs:clearcoatRoughness = ${t.clearcoatRoughness}`),i.push(`${n}float inputs:ior = ${t.ior}`)),`\n    def Material "Material_${t.id}"\n    {\n        def Shader "PreviewSurface"\n        {\n            uniform token info:id = "UsdPreviewSurface"\n${i.join("\n")}\n            int inputs:useSpecularWorkflow = 0\n            token outputs:surface\n        }\n\n        token outputs:surface.connect = </Materials/Material_${t.id}/PreviewSurface.outputs:surface>\n        token inputs:frame:stPrimvarName = "st"\n\n        def Shader "uvReader_st"\n        {\n            uniform token info:id = "UsdPrimvarReader_float2"\n            token inputs:varname.connect = </Materials/Material_${t.id}.inputs:frame:stPrimvarName>\n            float2 inputs:fallback = (0.0, 0.0)\n            float2 outputs:result\n        }\n\n${r.join("\n")}\n\n    }\n`}function Wm(t){return`(${t.r}, ${t.g}, ${t.b})`}function jm(t){return`(${t.x}, ${t.y})`}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var qm=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};let Xm=!1,$m=!1;const Ym=(Jm=["quick-look","scene-viewer","webxr","none"],t=>{try{const e=mu(t),n=(e.length?e[0].terms:[]).filter((t=>t&&"ident"===t.type)).map((t=>t.value)).filter((t=>Jm.indexOf(t)>-1)),i=new Set;for(const t of n)i.add(t);return i}catch(t){}return new Set});var Jm;const Km="quick-look",Zm="scene-viewer",Qm="webxr",tf="none",ef=Symbol("arButtonContainer"),nf=Symbol("enterARWithWebXR"),rf=Symbol("openSceneViewer"),sf=Symbol("openIOSARQuickLook"),af=Symbol("canActivateAR"),of=Symbol("arMode"),lf=Symbol("arModes"),hf=Symbol("arAnchor"),cf=Symbol("preload"),uf=Symbol("onARButtonContainerClick"),df=Symbol("onARStatus"),pf=Symbol("onARTracking"),mf=Symbol("onARTap"),ff=Symbol("selectARMode"),gf=Symbol("triggerLoad");
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var vf,yf,xf;const bf=Symbol("evaluate"),_f=Symbol("lastValue");class wf{constructor(){this[vf]=null}static evaluatableFor(t,e=wu){if(t instanceof wf)return t;if("number"===t.type)return"%"===t.unit?new Tf(t,e):t;switch(t.name.value){case"calc":return new Lf(t,e);case"env":return new Af(t)}return wu}static evaluate(t){return t instanceof wf?t.evaluate():t}static isConstant(t){return!(t instanceof wf)||t.isConstant}static applyIntrinsics(t,e){const{basis:n,keywords:i}=e,{auto:r}=i;return n.map(((e,n)=>{const s=null==r[n]?e:r[n];let a=t[n]?t[n]:s;if("ident"===a.type){const t=a.value;t in i&&(a=i[t][n])}return null!=a&&"ident"!==a.type||(a=s),"%"===a.unit?pu(a.number/100*e.number,e.unit):(a=Tu(a,e),a.unit!==e.unit?e:a)}))}get isConstant(){return!1}evaluate(){return this.isConstant&&null!=this[_f]||(this[_f]=this[bf]()),this[_f]}}vf=_f;const Mf=Symbol("percentage"),Sf=Symbol("basis");class Tf extends wf{constructor(t,e){super(),this[Mf]=t,this[Sf]=e}get isConstant(){return!0}[bf](){return pu(this[Mf].number/100*this[Sf].number,this[Sf].unit)}}const Ef=Symbol("identNode");class Af extends wf{constructor(t){super(),this[yf]=null;const e=t.arguments.length?t.arguments[0].terms[0]:null;null!=e&&"ident"===e.type&&(this[Ef]=e)}get isConstant(){return!1}[(yf=Ef,bf)](){if(null!=this[Ef]&&"window-scroll-y"===this[Ef].value){return{type:"number",number:window.pageYOffset/(Math.max(document.body.scrollHeight,document.body.offsetHeight,document.documentElement.clientHeight,document.documentElement.scrollHeight,document.documentElement.offsetHeight)-window.innerHeight)||0,unit:null}}return wu}}const Rf=/[\*\/]/,Cf=Symbol("evalutor");class Lf extends wf{constructor(t,e=wu){if(super(),this[xf]=null,1!==t.arguments.length)return;const n=t.arguments[0].terms.slice(),i=[];for(;n.length;){const t=n.shift();if(i.length>0){const n=i[i.length-1];if("operator"===n.type&&Rf.test(n.value)){const n=i.pop(),r=i.pop();if(null==r)return;i.push(new Of(n,wf.evaluatableFor(r,e),wf.evaluatableFor(t,e)));continue}}i.push("operator"===t.type?t:wf.evaluatableFor(t,e))}for(;i.length>2;){const[t,n,r]=i.splice(0,3);if("operator"!==n.type)return;i.unshift(new Of(n,wf.evaluatableFor(t,e),wf.evaluatableFor(r,e)))}1===i.length&&(this[Cf]=i[0])}get isConstant(){return null==this[Cf]||wf.isConstant(this[Cf])}[(xf=Cf,bf)](){return null!=this[Cf]?wf.evaluate(this[Cf]):wu}}const Pf=Symbol("operator"),Df=Symbol("left"),If=Symbol("right");class Of extends wf{constructor(t,e,n){super(),this[Pf]=t,this[Df]=e,this[If]=n}get isConstant(){return wf.isConstant(this[Df])&&wf.isConstant(this[If])}[bf](){const t=Tu(wf.evaluate(this[Df])),e=Tu(wf.evaluate(this[If])),{number:n,unit:i}=t,{number:r,unit:s}=e;if(null!=s&&null!=i&&s!=i)return wu;const a=i||s;let o;switch(this[Pf].value){case"+":o=n+r;break;case"-":o=n-r;break;case"/":o=n/r;break;case"*":o=n*r;break;default:return wu}return{type:"number",number:o,unit:a}}}const Nf=Symbol("evaluatables"),Ff=Symbol("intrinsics");class Uf extends wf{constructor(t,e){super(),this[Ff]=e;const n=t[0],i=null!=n?n.terms:[];this[Nf]=e.basis.map(((t,e)=>{const n=i[e];return null==n?{type:"ident",value:"auto"}:"ident"===n.type?n:wf.evaluatableFor(n,t)}))}get isConstant(){for(const t of this[Nf])if(!wf.isConstant(t))return!1;return!0}[bf](){const t=this[Nf].map((t=>wf.evaluate(t)));return wf.applyIntrinsics(t,this[Ff]).map((t=>t.number))}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */var kf,Bf,zf,Hf;const Vf=Symbol("instances"),Gf=Symbol("activateListener"),Wf=Symbol("deactivateListener"),jf=Symbol("notifyInstances"),qf=Symbol("notify"),Xf=Symbol("callback");class $f{constructor(t){this[Xf]=t}static[jf](){for(const t of $f[Vf])t[qf]()}static[(kf=Vf,Gf)](){window.addEventListener("scroll",this[jf],{passive:!0})}static[Wf](){window.removeEventListener("scroll",this[jf])}observe(){0===$f[Vf].size&&$f[Gf](),$f[Vf].add(this)}disconnect(){$f[Vf].delete(this),0===$f[Vf].size&&$f[Wf]()}[qf](){this[Xf]()}}$f[kf]=new Set;const Yf=Symbol("computeStyleCallback"),Jf=Symbol("astWalker"),Kf=Symbol("dependencies"),Zf=Symbol("onScroll");class Qf{constructor(t){this[Bf]={},this[zf]=new _u(["function"]),this[Hf]=()=>{this[Yf]({relatedState:"window-scroll"})},this[Yf]=t}observeEffectsFor(t){const e={},n=this[Kf];this[Jf].walk(t,(t=>{const{name:i}=t,r=t.arguments[0].terms[0];if("env"===i.value&&null!=r&&"ident"===r.type&&"window-scroll-y"===r.value)if(null==e["window-scroll"]){const t="window-scroll"in n?n["window-scroll"]:new $f(this[Zf]);t.observe(),delete n["window-scroll"],e["window-scroll"]=t}}));for(const t in n){n[t].disconnect()}this[Kf]=e}dispose(){for(const t in this[Kf]){this[Kf][t].disconnect()}}}Bf=Kf,zf=Jf,Hf=Zf;
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const tg=t=>{const e=t.observeEffects||!1,n=t.intrinsics instanceof Function?t.intrinsics:()=>t.intrinsics;return(i,r)=>{const s=i.updated,a=i.connectedCallback,o=i.disconnectedCallback,l=Symbol(`${r}StyleEffector`),h=Symbol(`${r}StyleEvaluator`),c=Symbol(`${r}UpdateEvaluator`),u=Symbol(`${r}EvaluateAndSync`);Object.defineProperties(i,{[l]:{value:null,writable:!0},[h]:{value:null,writable:!0},[c]:{value:function(){const t=mu(this[r]);this[h]=new Uf(t,n(this)),null==this[l]&&e&&(this[l]=new Qf((()=>this[u]()))),null!=this[l]&&this[l].observeEffectsFor(t)}},[u]:{value:function(){if(null==this[h])return;const e=this[h].evaluate();this[t.updateHandler](e)}},updated:{value:function(t){t.has(r)&&(this[c](),this[u]()),s.call(this,t)}},connectedCallback:{value:function(){a.call(this),this.requestUpdate(r,this[r])}},disconnectedCallback:{value:function(){o.call(this),null!=this[l]&&(this[l].dispose(),this[l]=null)}}})}},eg=new g,ng=new V,ig=Object.freeze({minimumRadius:0,maximumRadius:1/0,minimumPolarAngle:Math.PI/8,maximumPolarAngle:Math.PI-Math.PI/8,minimumAzimuthalAngle:-1/0,maximumAzimuthalAngle:1/0,minimumFieldOfView:10,maximumFieldOfView:45,interactionPolicy:"always-allow",touchAction:"pan-y"}),rg=Math.PI/8,sg=33,ag=34,og=37,lg=38,hg=39,cg=40,ug="user-interaction",dg="none";
/* @license
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */class pg extends i{constructor(t,e,n){super(),this.camera=t,this.element=e,this.scene=n,this.sensitivity=1,this.isUserChange=!1,this._interactionEnabled=!1,this._disableZoom=!1,this.isUserPointing=!1,this.enablePan=!0,this.panProjection=new v,this.panPerPixel=0,this.spherical=new Ko,this.goalSpherical=new Ko,this.thetaDamper=new du,this.phiDamper=new du,this.radiusDamper=new du,this.logFov=Math.log(ig.maximumFieldOfView),this.goalLogFov=this.logFov,this.fovDamper=new du,this.touchMode=null,this.pointers=[],this.startTime=0,this.startPointerPosition={clientX:0,clientY:0},this.lastSeparation=0,this.touchDecided=!1,this.onContext=t=>{if(this.enablePan)t.preventDefault();else for(const t of this.pointers)this.onPointerUp(new PointerEvent("pointercancel",Object.assign(Object.assign({},this.startPointerPosition),{pointerId:t.id})))},this.touchModeZoom=(t,e)=>{if(!this._disableZoom){const t=this.twoTouchDistance(this.pointers[0],this.pointers[1]),e=.04*(this.lastSeparation-t)*50/this.scene.height;this.lastSeparation=t,this.userAdjustOrbit(0,0,e)}this.panPerPixel>0&&this.movePan(t,e)},this.disableScroll=t=>{t.preventDefault()},this.touchModeRotate=(t,e)=>{const{touchAction:n}=this._options;if(!this.touchDecided&&"none"!==n){this.touchDecided=!0;const i=Math.abs(t),r=Math.abs(e);if(this.isUserChange&&("pan-y"===n&&r>i||"pan-x"===n&&i>r))return void(this.touchMode=null);this.element.addEventListener("touchmove",this.disableScroll,{passive:!1})}this.handleSinglePointerMove(t,e)},this.onPointerDown=t=>{if(!this.canInteract||this.pointers.length>2)return;const{element:e}=this;0===this.pointers.length&&(e.addEventListener("pointermove",this.onPointerMove),e.addEventListener("pointerup",this.onPointerUp),this.touchMode=null,this.touchDecided=!1,this.startPointerPosition.clientX=t.clientX,this.startPointerPosition.clientY=t.clientY,this.startTime=performance.now());try{e.setPointerCapture(t.pointerId)}catch(t){}this.pointers.push({clientX:t.clientX,clientY:t.clientY,id:t.pointerId}),this.isUserPointing=!1,"touch"===t.pointerType?(this.isUserChange=!t.altKey,this.onTouchChange(t)):(this.isUserChange=!0,this.onMouseDown(t))},this.onPointerMove=t=>{const e=this.pointers.find((e=>e.id===t.pointerId));if(null==e)return;const n=this.pointers.length,i=(t.clientX-e.clientX)/n,r=(t.clientY-e.clientY)/n;0===i&&0===r||(e.clientX=t.clientX,e.clientY=t.clientY,"touch"===t.pointerType?(this.isUserChange=!t.altKey,null!==this.touchMode&&this.touchMode(i,r)):(this.isUserChange=!0,this.panPerPixel>0?this.movePan(i,r):this.handleSinglePointerMove(i,r)))},this.onPointerUp=t=>{const{element:e}=this,n=this.pointers.findIndex((e=>e.id===t.pointerId));-1!==n&&this.pointers.splice(n,1),this.panPerPixel>0&&!t.altKey&&this.resetRadius(),0===this.pointers.length?(e.removeEventListener("pointermove",this.onPointerMove),e.removeEventListener("pointerup",this.onPointerUp),e.removeEventListener("touchmove",this.disableScroll),this.enablePan&&this.recenter(t)):null!==this.touchMode&&this.onTouchChange(t),this.scene.element[kg].style.opacity=0,e.style.cursor="grab",this.panPerPixel=0,this.isUserPointing&&this.dispatchEvent({type:"pointer-change-end"})},this.onWheel=t=>{if(!this.canInteract)return;this.isUserChange=!0;const e=t.deltaY*(1==t.deltaMode?18:1)*.04/30;this.userAdjustOrbit(0,0,e),t.preventDefault()},this.onKeyDown=t=>{let e=!0;const{isUserChange:n}=this;switch(this.isUserChange=!0,t.keyCode){case sg:this.userAdjustOrbit(0,0,.04);break;case ag:this.userAdjustOrbit(0,0,-.04);break;case lg:this.userAdjustOrbit(0,-rg,0);break;case cg:this.userAdjustOrbit(0,rg,0);break;case og:this.userAdjustOrbit(-rg,0,0);break;case hg:this.userAdjustOrbit(rg,0,0);break;default:e=!1,this.isUserChange=n}e&&t.preventDefault()},this._options=Object.assign({},ig),this.setOrbit(0,Math.PI/2,1),this.setFieldOfView(100),this.jumpToGoal()}get interactionEnabled(){return this._interactionEnabled}enableInteraction(){if(!1===this._interactionEnabled){const{element:t}=this;t.addEventListener("pointerdown",this.onPointerDown),t.addEventListener("pointercancel",this.onPointerUp),this._disableZoom||t.addEventListener("wheel",this.onWheel),t.addEventListener("keydown",this.onKeyDown),t.addEventListener("touchmove",(()=>{}),{passive:!1}),t.addEventListener("contextmenu",this.onContext),this.element.style.cursor="grab",this._interactionEnabled=!0,this.updateTouchActionStyle()}}disableInteraction(){if(!0===this._interactionEnabled){const{element:t}=this;t.removeEventListener("pointerdown",this.onPointerDown),t.removeEventListener("pointermove",this.onPointerMove),t.removeEventListener("pointerup",this.onPointerUp),t.removeEventListener("pointercancel",this.onPointerUp),t.removeEventListener("wheel",this.onWheel),t.removeEventListener("keydown",this.onKeyDown),t.removeEventListener("contextmenu",this.onContext),t.style.cursor="",this.touchMode=null,this._interactionEnabled=!1,this.updateTouchActionStyle()}}get options(){return this._options}set disableZoom(t){this._disableZoom!=t&&(this._disableZoom=t,!0===t?this.element.removeEventListener("wheel",this.onWheel):this.element.addEventListener("wheel",this.onWheel),this.updateTouchActionStyle())}getCameraSpherical(t=new Ko){return t.copy(this.spherical)}getFieldOfView(){return this.camera.fov}applyOptions(t){Object.assign(this._options,t),this.setOrbit(),this.setFieldOfView(Math.exp(this.goalLogFov))}updateNearFar(t,e){this.camera.near=Math.max(t,e/1e3),this.camera.far=e,this.camera.updateProjectionMatrix()}updateAspect(t){this.camera.aspect=t,this.camera.updateProjectionMatrix()}setOrbit(t=this.goalSpherical.theta,e=this.goalSpherical.phi,n=this.goalSpherical.radius){const{minimumAzimuthalAngle:i,maximumAzimuthalAngle:r,minimumPolarAngle:s,maximumPolarAngle:a,minimumRadius:o,maximumRadius:l}=this._options,{theta:h,phi:c,radius:u}=this.goalSpherical,d=lu(t,i,r);isFinite(i)||isFinite(r)||(this.spherical.theta=this.wrapAngle(this.spherical.theta-d)+d);const p=lu(e,s,a),m=lu(n,o,l);return(d!==h||p!==c||m!==u)&&(this.goalSpherical.theta=d,this.goalSpherical.phi=p,this.goalSpherical.radius=m,this.goalSpherical.makeSafe(),!0)}setRadius(t){this.goalSpherical.radius=t,this.setOrbit()}setFieldOfView(t){const{minimumFieldOfView:e,maximumFieldOfView:n}=this._options;t=lu(t,e,n),this.goalLogFov=Math.log(t)}setDamperDecayTime(t){this.thetaDamper.setDecayTime(t),this.phiDamper.setDecayTime(t),this.radiusDamper.setDecayTime(t),this.fovDamper.setDecayTime(t)}adjustOrbit(t,e,n){const{theta:i,phi:r,radius:s}=this.goalSpherical,{minimumRadius:a,maximumRadius:o,minimumFieldOfView:l,maximumFieldOfView:h}=this._options,c=this.spherical.theta-i,u=Math.PI-.001,d=i-lu(t,-u-c,u-c),p=r-e,m=0===n?0:((n>0?o:a)-s)/(Math.log(n>0?h:l)-this.goalLogFov),f=s+n*(isFinite(m)?m:2*(o-a));if(this.setOrbit(d,p,f),0!==n){const t=this.goalLogFov+n;this.setFieldOfView(Math.exp(t))}}jumpToGoal(){this.update(0,1e4)}update(t,e){if(this.isStationary())return;const{maximumPolarAngle:n,maximumRadius:i}=this._options,r=this.spherical.theta-this.goalSpherical.theta;Math.abs(r)>Math.PI&&!isFinite(this._options.minimumAzimuthalAngle)&&!isFinite(this._options.maximumAzimuthalAngle)&&(this.spherical.theta-=2*Math.sign(r)*Math.PI),this.spherical.theta=this.thetaDamper.update(this.spherical.theta,this.goalSpherical.theta,e,Math.PI),this.spherical.phi=this.phiDamper.update(this.spherical.phi,this.goalSpherical.phi,e,n),this.spherical.radius=this.radiusDamper.update(this.spherical.radius,this.goalSpherical.radius,e,i),this.logFov=this.fovDamper.update(this.logFov,this.goalLogFov,e,1),this.moveCamera()}updateTouchActionStyle(){const{style:t}=this.element;if(this._interactionEnabled){const{touchAction:e}=this._options;this._disableZoom&&"none"!==e?t.touchAction="manipulation":t.touchAction=e}else t.touchAction=""}isStationary(){return this.goalSpherical.theta===this.spherical.theta&&this.goalSpherical.phi===this.spherical.phi&&this.goalSpherical.radius===this.spherical.radius&&this.goalLogFov===this.logFov}dispatchChange(){const t=this.isUserChange?ug:dg;this.dispatchEvent({type:"change",source:t})}moveCamera(){this.spherical.makeSafe(),this.camera.position.setFromSpherical(this.spherical),this.camera.setRotationFromEuler(new Ct(this.spherical.phi-Math.PI/2,this.spherical.theta,0,"YXZ")),this.camera.fov!==Math.exp(this.logFov)&&(this.camera.fov=Math.exp(this.logFov),this.camera.updateProjectionMatrix()),this.dispatchChange()}get canInteract(){if("allow-when-focused"==this._options.interactionPolicy){return this.element.getRootNode().activeElement===this.element}return"always-allow"===this._options.interactionPolicy}userAdjustOrbit(t,e,n){this.adjustOrbit(t*this.sensitivity,e*this.sensitivity,n),this.dispatchChange()}wrapAngle(t){const e=(t+Math.PI)/(2*Math.PI);return 2*(e-Math.floor(e))*Math.PI-Math.PI}pixelLengthToSphericalAngle(t){return 2*Math.PI*t/this.element.clientHeight}twoTouchDistance(t,e){const{clientX:n,clientY:i}=t,{clientX:r,clientY:s}=e,a=r-n,o=s-i;return Math.sqrt(a*a+o*o)}handleSinglePointerMove(t,e){const n=this.pixelLengthToSphericalAngle(t),i=this.pixelLengthToSphericalAngle(e);!1===this.isUserPointing&&(this.isUserPointing=!0,this.dispatchEvent({type:"pointer-change-start"})),this.userAdjustOrbit(n,i,0)}initializePan(){const{theta:t,phi:e}=this.spherical,n=t-this.scene.yaw;this.panPerPixel=.018/this.scene.height,this.panProjection.set(-Math.cos(n),-Math.cos(e)*Math.sin(n),0,0,Math.sin(e),0,Math.sin(n),-Math.cos(e)*Math.cos(n),0)}movePan(t,e){const{scene:n}=this,i=ng.set(t,e,0),r=this.spherical.radius*Math.exp(this.logFov)*this.panPerPixel;i.multiplyScalar(r);const s=n.getTarget();s.add(i.applyMatrix3(this.panProjection)),n.boundingSphere.clampPoint(s,s),n.setTarget(s.x,s.y,s.z),this.dispatchChange()}recenter(t){if(performance.now()>this.startTime+300||Math.abs(t.clientX-this.startPointerPosition.clientX)>2||Math.abs(t.clientY-this.startPointerPosition.clientY)>2)return;const{scene:e}=this,n=e.positionAndNormalFromPoint(e.getNDC(t.clientX,t.clientY));if(null==n){const{cameraTarget:t}=e.element;e.element.cameraTarget="",e.element.cameraTarget=t,this.userAdjustOrbit(0,0,1)}else e.target.worldToLocal(n.position),e.setTarget(n.position.x,n.position.y,n.position.z)}resetRadius(){const{scene:t}=this,e=t.positionAndNormalFromPoint(eg.set(0,0));if(null==e)return;t.target.worldToLocal(e.position);const n=t.getTarget(),{theta:i,phi:r}=this.spherical,s=i-t.yaw,a=ng.set(Math.sin(r)*Math.sin(s),Math.cos(r),Math.sin(r)*Math.cos(s)),o=a.dot(e.position.sub(n));n.add(a.multiplyScalar(o)),t.setTarget(n.x,n.y,n.z),this.setOrbit(void 0,void 0,this.goalSpherical.radius-o)}onTouchChange(t){if(1===this.pointers.length)this.touchMode=this.touchModeRotate;else{if(this._disableZoom)return this.touchMode=null,void this.element.removeEventListener("touchmove",this.disableScroll);this.touchMode=this.touchDecided&&null===this.touchMode?null:this.touchModeZoom,this.touchDecided=!0,this.element.addEventListener("touchmove",this.disableScroll,{passive:!1}),this.lastSeparation=this.twoTouchDistance(this.pointers[0],this.pointers[1]),this.enablePan&&null!=this.touchMode&&(this.initializePan(),t.altKey||(this.scene.element[kg].style.opacity=1))}}onMouseDown(t){this.panPerPixel=0,this.enablePan&&(2===t.button||t.ctrlKey||t.metaKey||t.shiftKey)&&(this.initializePan(),this.scene.element[kg].style.opacity=1),this.element.style.cursor="grabbing"}}
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const mg=t=>t<.5?2*t*t:(4-2*t)*t-1,fg=(t,e,n=mg)=>i=>t+(e-t)*n(i),gg=t=>{const e=[],n=[];let i=t.initialValue;for(let r=0;r<t.keyframes.length;++r){const s=t.keyframes[r],{value:a,frames:o}=s,l=s.ease||mg,h=fg(i,a,l);e.push(h),n.push(o),i=a}return((t,e)=>{const n=e.map((i=0,t=>i+=t));var i;return e=>{e=lu(e,0,1),e*=n[n.length-1];const i=n.findIndex((t=>t>=e)),r=i<1?0:n[i-1],s=n[i];return t[i]((e-r)/(s-r))}})(e,n)};
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var vg=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const yg=gg({initialValue:0,keyframes:[{frames:5,value:-1},{frames:1,value:-1},{frames:8,value:1},{frames:1,value:1},{frames:5,value:0},{frames:18,value:0}]}),xg=gg({initialValue:0,keyframes:[{frames:1,value:1},{frames:5,value:1},{frames:1,value:0},{frames:6,value:0}]}),bg=["front","right","back","left"],_g=["upper-","","lower-"],wg="auto",Mg="when-focused",Sg="wiggle",Tg="always-allow",Eg="pan-y",Ag=t=>{const e=t.enablePan?30:45;return{basis:[Mu(pu(e,"deg"))],keywords:{auto:[null]}}},Rg=t=>{const e=t.enablePan?12:25;return{basis:[Mu(pu(e,"deg"))],keywords:{auto:[null]}}},Cg=(()=>{const t=mu("0deg 75deg 105%")[0].terms,e=Tu(t[0]),n=Tu(t[1]);return t=>{const i=t[_p].idealCameraDistance();return{basis:[e,n,pu(i,"m")],keywords:{auto:[null,null,pu(105,"%")]}}}})(),Lg=t=>{const e=1.1*t[_p].boundingSphere.radius*(t.enablePan?2:1);return{basis:[pu(-1/0,"rad"),pu(Math.PI/8,"rad"),pu(e,"m")],keywords:{auto:[null,null,null]}}},Pg=t=>{const e=Cg(t),n=new Uf([],e).evaluate()[2];return{basis:[pu(1/0,"rad"),pu(Math.PI-Math.PI/8,"rad"),pu(n,"m")],keywords:{auto:[null,null,null]}}},Dg=t=>{const e=t[_p].boundingBox.getCenter(new V);return{basis:[pu(e.x,"m"),pu(e.y,"m"),pu(e.z,"m")],keywords:{auto:[null,null,null]}}},Ig=Math.PI/2,Og=Math.PI/3,Ng=Ig/2,Fg=2*Math.PI,Ug=Symbol("controls"),kg=Symbol("panElement"),Bg=Symbol("promptElement"),zg=Symbol("promptAnimatedContainer"),Hg=Symbol("fingerAnimatedContainers"),Vg=Symbol("deferInteractionPrompt"),Gg=Symbol("updateAria"),Wg=Symbol("updateCameraForRadius"),jg=Symbol("onBlur"),qg=Symbol("onFocus"),Xg=Symbol("onChange"),$g=Symbol("onPointerChange"),Yg=Symbol("waitingToPromptUser"),Jg=Symbol("userHasInteracted"),Kg=Symbol("promptElementVisibleTime"),Zg=Symbol("lastPromptOffset"),Qg=Symbol("focusedTime"),tv=Symbol("lastSpherical"),ev=Symbol("jumpCamera"),nv=Symbol("initialized"),iv=Symbol("maintainThetaPhi"),rv=Symbol("syncCameraOrbit"),sv=Symbol("syncFieldOfView"),av=Symbol("syncCameraTarget"),ov=Symbol("syncMinCameraOrbit"),lv=Symbol("syncMaxCameraOrbit"),hv=Symbol("syncMinFieldOfView"),cv=Symbol("syncMaxFieldOfView");
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var uv=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const dv="auto",pv="manual",mv="auto",fv="eager",gv="interaction",vv=Symbol("defaultProgressBarElement"),yv=Symbol("defaultProgressMaskElement"),xv=Symbol("posterContainerElement"),bv=Symbol("defaultPosterElement"),_v=Symbol("posterDismissalSource"),wv=Symbol("hidePoster"),Mv=Symbol("modelIsRevealed"),Sv=Symbol("updateProgressBar"),Tv=Symbol("lastReportedProgress"),Ev=Symbol("transitioned"),Av=Symbol("onTransitionEnd"),Rv=Symbol("ariaLabelCallToAction"),Cv=Symbol("onClick"),Lv=Symbol("onKeydown"),Pv=Symbol("onProgress");class Dv{constructor(){this.pluginCallbacks=[],this.register((function(t){return new ay(t)})),this.register((function(t){return new oy(t)})),this.register((function(t){return new ly(t)})),this.register((function(t){return new cy(t)})),this.register((function(t){return new uy(t)})),this.register((function(t){return new hy(t)}))}register(t){return-1===this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.push(t),this}unregister(t){return-1!==this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(t),1),this}parse(t,e,n,i){"object"==typeof n&&(console.warn("THREE.GLTFExporter: parse() expects options as the fourth argument now."),i=n);const r=new sy,s=[];for(let t=0,e=this.pluginCallbacks.length;t<e;t++)s.push(this.pluginCallbacks[t](r));r.setPlugins(s),r.write(t,e,i).catch(n)}parseAsync(t,e){const n=this;return new Promise((function(i,r){n.parse(t,i,r,e)}))}}const Iv=0,Ov=1,Nv=2,Fv=3,Uv=4,kv=5121,Bv=5123,zv=5126,Hv=5125,Vv=34962,Gv=34963,Wv=9728,jv=9729,qv=9984,Xv=9985,$v=9986,Yv=9987,Jv=33071,Kv=33648,Zv=10497,Qv={};Qv[1003]=Wv,Qv[1004]=qv,Qv[1005]=$v,Qv[1006]=jv,Qv[1007]=Xv,Qv[1008]=Yv,Qv[1001]=Jv,Qv[1e3]=Zv,Qv[1002]=Kv;const ty={scale:"scale",position:"translation",quaternion:"rotation",morphTargetInfluences:"weights"};function ey(t,e){return t.length===e.length&&t.every((function(t,n){return t===e[n]}))}function ny(t){return 4*Math.ceil(t/4)}function iy(t,e=0){const n=ny(t.byteLength);if(n!==t.byteLength){const i=new Uint8Array(n);if(i.set(new Uint8Array(t)),0!==e)for(let r=t.byteLength;r<n;r++)i[r]=e;return i.buffer}return t}let ry=null;class sy{constructor(){this.plugins=[],this.options={},this.pending=[],this.buffers=[],this.byteOffset=0,this.buffers=[],this.nodeMap=new Map,this.skins=[],this.extensionsUsed={},this.uids=new Map,this.uid=0,this.json={asset:{version:"2.0",generator:"THREE.GLTFExporter"}},this.cache={meshes:new Map,attributes:new Map,attributesNormalized:new Map,materials:new Map,textures:new Map,images:new Map}}setPlugins(t){this.plugins=t}async write(t,e,n){this.options=Object.assign({},{binary:!1,trs:!1,onlyVisible:!0,truncateDrawRange:!0,embedImages:!0,maxTextureSize:1/0,animations:[],includeCustomExtensions:!1},n),this.options.animations.length>0&&(this.options.trs=!0),this.processInput(t),await Promise.all(this.pending);const i=this,r=i.buffers,s=i.json;n=i.options;const a=i.extensionsUsed,o=new Blob(r,{type:"application/octet-stream"}),l=Object.keys(a);if(l.length>0&&(s.extensionsUsed=l),s.buffers&&s.buffers.length>0&&(s.buffers[0].byteLength=o.size),!0===n.binary){const t=new window.FileReader;t.readAsArrayBuffer(o),t.onloadend=function(){const n=iy(t.result),i=new DataView(new ArrayBuffer(8));i.setUint32(0,n.byteLength,!0),i.setUint32(4,5130562,!0);const r=iy(function(t){if(void 0!==window.TextEncoder)return(new TextEncoder).encode(t).buffer;const e=new Uint8Array(new ArrayBuffer(t.length));for(let n=0,i=t.length;n<i;n++){const i=t.charCodeAt(n);e[n]=i>255?32:i}return e.buffer}(JSON.stringify(s)),32),a=new DataView(new ArrayBuffer(8));a.setUint32(0,r.byteLength,!0),a.setUint32(4,1313821514,!0);const o=new ArrayBuffer(12),l=new DataView(o);l.setUint32(0,1179937895,!0),l.setUint32(4,2,!0);const h=12+a.byteLength+r.byteLength+i.byteLength+n.byteLength;l.setUint32(8,h,!0);const c=new Blob([o,a,r,i,n],{type:"application/octet-stream"}),u=new window.FileReader;u.readAsArrayBuffer(c),u.onloadend=function(){e(u.result)}}}else if(s.buffers&&s.buffers.length>0){const t=new window.FileReader;t.readAsDataURL(o),t.onloadend=function(){const n=t.result;s.buffers[0].uri=n,e(s)}}else e(s)}serializeUserData(t,e){if(0===Object.keys(t.userData).length)return;const n=this.options,i=this.extensionsUsed;try{const r=JSON.parse(JSON.stringify(t.userData));if(n.includeCustomExtensions&&r.gltfExtensions){void 0===e.extensions&&(e.extensions={});for(const t in r.gltfExtensions)e.extensions[t]=r.gltfExtensions[t],i[t]=!0;delete r.gltfExtensions}Object.keys(r).length>0&&(e.extras=r)}catch(e){console.warn("THREE.GLTFExporter: userData of '"+t.name+"' won't be serialized because of JSON.stringify error - "+e.message)}}getUID(t){return this.uids.has(t)||this.uids.set(t,this.uid++),this.uids.get(t)}isNormalizedNormalAttribute(t){if(this.cache.attributesNormalized.has(t))return!1;const e=new V;for(let n=0,i=t.count;n<i;n++)if(Math.abs(e.fromBufferAttribute(t,n).length()-1)>5e-4)return!1;return!0}createNormalizedNormalAttribute(t){const e=this.cache;if(e.attributesNormalized.has(t))return e.attributesNormalized.get(t);const n=t.clone(),i=new V;for(let t=0,e=n.count;t<e;t++)i.fromBufferAttribute(n,t),0===i.x&&0===i.y&&0===i.z?i.setX(1):i.normalize(),n.setXYZ(t,i.x,i.y,i.z);return e.attributesNormalized.set(t,n),n}applyTextureTransform(t,e){let n=!1;const i={};0===e.offset.x&&0===e.offset.y||(i.offset=e.offset.toArray(),n=!0),0!==e.rotation&&(i.rotation=e.rotation,n=!0),1===e.repeat.x&&1===e.repeat.y||(i.scale=e.repeat.toArray(),n=!0),n&&(t.extensions=t.extensions||{},t.extensions.KHR_texture_transform=i,this.extensionsUsed.KHR_texture_transform=!0)}buildMetalRoughTexture(t,e){if(t===e)return t;console.warn("THREE.GLTFExporter: Merged metalnessMap and roughnessMap textures.");const n=t?.image,i=e?.image,r=Math.max(n?.width||0,i?.width||0),s=Math.max(n?.height||0,i?.height||0),a=document.createElement("canvas");a.width=r,a.height=s;const o=a.getContext("2d");o.fillStyle="#00ffff",o.fillRect(0,0,r,s);const l=o.getImageData(0,0,r,s);if(n){o.drawImage(n,0,0,r,s);const t=o.getImageData(0,0,r,s).data;for(let e=2;e<t.length;e+=4)l.data[e]=t[e]}if(i){o.drawImage(i,0,0,r,s);const t=o.getImageData(0,0,r,s).data;for(let e=1;e<t.length;e+=4)l.data[e]=t[e]}o.putImageData(l,0,0);const h=(t||e).clone();return h.source=new I(a),h}processBuffer(t){const e=this.json,n=this.buffers;return e.buffers||(e.buffers=[{byteLength:0}]),n.push(t),0}processBufferView(t,e,n,i,r){const s=this.json;let a;s.bufferViews||(s.bufferViews=[]),a=e===kv?1:e===Bv?2:4;const o=ny(i*t.itemSize*a),l=new DataView(new ArrayBuffer(o));let h=0;for(let r=n;r<n+i;r++)for(let n=0;n<t.itemSize;n++){let i;t.itemSize>4?i=t.array[r*t.itemSize+n]:0===n?i=t.getX(r):1===n?i=t.getY(r):2===n?i=t.getZ(r):3===n&&(i=t.getW(r)),e===zv?l.setFloat32(h,i,!0):e===Hv?l.setUint32(h,i,!0):e===Bv?l.setUint16(h,i,!0):e===kv&&l.setUint8(h,i),h+=a}const c={buffer:this.processBuffer(l.buffer),byteOffset:this.byteOffset,byteLength:o};void 0!==r&&(c.target=r),r===Vv&&(c.byteStride=t.itemSize*a),this.byteOffset+=o,s.bufferViews.push(c);return{id:s.bufferViews.length-1,byteLength:0}}processBufferViewImage(t){const e=this,n=e.json;return n.bufferViews||(n.bufferViews=[]),new Promise((function(i){const r=new window.FileReader;r.readAsArrayBuffer(t),r.onloadend=function(){const t=iy(r.result),s={buffer:e.processBuffer(t),byteOffset:e.byteOffset,byteLength:t.byteLength};e.byteOffset+=t.byteLength,i(n.bufferViews.push(s)-1)}}))}processAccessor(t,e,n,i){const r=this.options,s=this.json;let a;if(t.array.constructor===Float32Array)a=zv;else if(t.array.constructor===Uint32Array)a=Hv;else if(t.array.constructor===Uint16Array)a=Bv;else{if(t.array.constructor!==Uint8Array)throw new Error("THREE.GLTFExporter: Unsupported bufferAttribute component type.");a=kv}if(void 0===n&&(n=0),void 0===i&&(i=t.count),r.truncateDrawRange&&void 0!==e&&null===e.index){const r=n+i,s=e.drawRange.count===1/0?t.count:e.drawRange.start+e.drawRange.count;n=Math.max(n,e.drawRange.start),(i=Math.min(r,s)-n)<0&&(i=0)}if(0===i)return null;const o=function(t,e,n){const i={min:new Array(t.itemSize).fill(Number.POSITIVE_INFINITY),max:new Array(t.itemSize).fill(Number.NEGATIVE_INFINITY)};for(let r=e;r<e+n;r++)for(let e=0;e<t.itemSize;e++){let n;t.itemSize>4?n=t.array[r*t.itemSize+e]:0===e?n=t.getX(r):1===e?n=t.getY(r):2===e?n=t.getZ(r):3===e&&(n=t.getW(r)),i.min[e]=Math.min(i.min[e],n),i.max[e]=Math.max(i.max[e],n)}return i}(t,n,i);let l;void 0!==e&&(l=t===e.index?Gv:Vv);const h=this.processBufferView(t,a,n,i,l),c={bufferView:h.id,byteOffset:h.byteOffset,componentType:a,count:i,max:o.max,min:o.min,type:{1:"SCALAR",2:"VEC2",3:"VEC3",4:"VEC4",16:"MAT4"}[t.itemSize]};return!0===t.normalized&&(c.normalized=!0),s.accessors||(s.accessors=[]),s.accessors.push(c)-1}processImage(t,e,n,i="image/png"){const r=this,s=r.cache,a=r.json,o=r.options,l=r.pending;s.images.has(t)||s.images.set(t,{});const h=s.images.get(t),c=i+":flipY/"+n.toString();if(void 0!==h[c])return h[c];a.images||(a.images=[]);const u={mimeType:i};if(o.embedImages){const s=ry=ry||document.createElement("canvas");s.width=Math.min(t.width,o.maxTextureSize),s.height=Math.min(t.height,o.maxTextureSize);const a=s.getContext("2d");if(!0===n&&(a.translate(0,s.height),a.scale(1,-1)),"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap)a.drawImage(t,0,0,s.width,s.height);else{1023!==e&&console.error("GLTFExporter: Only RGBAFormat is supported."),(t.width>o.maxTextureSize||t.height>o.maxTextureSize)&&console.warn("GLTFExporter: Image size is bigger than maxTextureSize",t);const n=new Uint8ClampedArray(t.height*t.width*4);for(let e=0;e<n.length;e+=4)n[e+0]=t.data[e+0],n[e+1]=t.data[e+1],n[e+2]=t.data[e+2],n[e+3]=t.data[e+3];a.putImageData(new ImageData(n,t.width,t.height),0,0)}!0===o.binary?l.push(new Promise((function(t){s.toBlob((function(e){r.processBufferViewImage(e).then((function(e){u.bufferView=e,t()}))}),i)}))):u.uri=s.toDataURL(i)}else u.uri=t.src;const d=a.images.push(u)-1;return h[c]=d,d}processSampler(t){const e=this.json;e.samplers||(e.samplers=[]);const n={magFilter:Qv[t.magFilter],minFilter:Qv[t.minFilter],wrapS:Qv[t.wrapS],wrapT:Qv[t.wrapT]};return e.samplers.push(n)-1}processTexture(t){const e=this.cache,n=this.json;if(e.textures.has(t))return e.textures.get(t);n.textures||(n.textures=[]);let i=t.userData.mimeType;"image/webp"===i&&(i="image/png");const r={sampler:this.processSampler(t),source:this.processImage(t.image,t.format,t.flipY,i)};t.name&&(r.name=t.name),this._invokeAll((function(e){e.writeTexture&&e.writeTexture(t,r)}));const s=n.textures.push(r)-1;return e.textures.set(t,s),s}processMaterial(t){const e=this.cache,n=this.json;if(e.materials.has(t))return e.materials.get(t);if(t.isShaderMaterial)return console.warn("GLTFExporter: THREE.ShaderMaterial not supported."),null;n.materials||(n.materials=[]);const i={pbrMetallicRoughness:{}};!0!==t.isMeshStandardMaterial&&!0!==t.isMeshBasicMaterial&&console.warn("GLTFExporter: Use MeshStandardMaterial or MeshBasicMaterial for best results.");const r=t.color.toArray().concat([t.opacity]);if(ey(r,[1,1,1,1])||(i.pbrMetallicRoughness.baseColorFactor=r),t.isMeshStandardMaterial?(i.pbrMetallicRoughness.metallicFactor=t.metalness,i.pbrMetallicRoughness.roughnessFactor=t.roughness):(i.pbrMetallicRoughness.metallicFactor=.5,i.pbrMetallicRoughness.roughnessFactor=.5),t.metalnessMap||t.roughnessMap){const e=this.buildMetalRoughTexture(t.metalnessMap,t.roughnessMap),n={index:this.processTexture(e)};this.applyTextureTransform(n,e),i.pbrMetallicRoughness.metallicRoughnessTexture=n}if(t.map){const e={index:this.processTexture(t.map)};this.applyTextureTransform(e,t.map),i.pbrMetallicRoughness.baseColorTexture=e}if(t.emissive){const e=t.emissive.clone().multiplyScalar(t.emissiveIntensity),n=Math.max(e.r,e.g,e.b);if(n>1&&(e.multiplyScalar(1/n),console.warn("THREE.GLTFExporter: Some emissive components exceed 1; emissive has been limited")),n>0&&(i.emissiveFactor=e.toArray()),t.emissiveMap){const e={index:this.processTexture(t.emissiveMap)};this.applyTextureTransform(e,t.emissiveMap),i.emissiveTexture=e}}if(t.normalMap){const e={index:this.processTexture(t.normalMap)};t.normalScale&&1!==t.normalScale.x&&(e.scale=t.normalScale.x),this.applyTextureTransform(e,t.normalMap),i.normalTexture=e}if(t.aoMap){const e={index:this.processTexture(t.aoMap),texCoord:1};1!==t.aoMapIntensity&&(e.strength=t.aoMapIntensity),this.applyTextureTransform(e,t.aoMap),i.occlusionTexture=e}t.transparent?i.alphaMode="BLEND":t.alphaTest>0&&(i.alphaMode="MASK",i.alphaCutoff=t.alphaTest),2===t.side&&(i.doubleSided=!0),""!==t.name&&(i.name=t.name),this.serializeUserData(t,i),this._invokeAll((function(e){e.writeMaterial&&e.writeMaterial(t,i)}));const s=n.materials.push(i)-1;return e.materials.set(t,s),s}processMesh(t){const e=this.cache,n=this.json,i=[t.geometry.uuid];if(Array.isArray(t.material))for(let e=0,n=t.material.length;e<n;e++)i.push(t.material[e].uuid);else i.push(t.material.uuid);const r=i.join(":");if(e.meshes.has(r))return e.meshes.get(r);const s=t.geometry;let a;if(a=t.isLineSegments?Ov:t.isLineLoop?Nv:t.isLine?Fv:t.isPoints?Iv:t.material.wireframe?Ov:Uv,!0!==s.isBufferGeometry)throw new Error("THREE.GLTFExporter: Geometry is not of type THREE.BufferGeometry.");const o={},l={},h=[],c=[],u={uv:"TEXCOORD_0",uv2:"TEXCOORD_1",color:"COLOR_0",skinWeight:"WEIGHTS_0",skinIndex:"JOINTS_0"},d=s.getAttribute("normal");void 0===d||this.isNormalizedNormalAttribute(d)||(console.warn("THREE.GLTFExporter: Creating normalized normal attribute from the non-normalized one."),s.setAttribute("normal",this.createNormalizedNormalAttribute(d)));let p=null;for(let t in s.attributes){if("morph"===t.slice(0,5))continue;const n=s.attributes[t];t=u[t]||t.toUpperCase();if(/^(POSITION|NORMAL|TANGENT|TEXCOORD_\d+|COLOR_\d+|JOINTS_\d+|WEIGHTS_\d+)$/.test(t)||(t="_"+t),e.attributes.has(this.getUID(n))){l[t]=e.attributes.get(this.getUID(n));continue}p=null;const i=n.array;"JOINTS_0"!==t||i instanceof Uint16Array||i instanceof Uint8Array||(console.warn('GLTFExporter: Attribute "skinIndex" converted to type UNSIGNED_SHORT.'),p=new oe(new Uint16Array(i),n.itemSize,n.normalized));const r=this.processAccessor(p||n,s);null!==r&&(l[t]=r,e.attributes.set(this.getUID(n),r))}if(void 0!==d&&s.setAttribute("normal",d),0===Object.keys(l).length)return null;if(void 0!==t.morphTargetInfluences&&t.morphTargetInfluences.length>0){const n=[],i=[],r={};if(void 0!==t.morphTargetDictionary)for(const e in t.morphTargetDictionary)r[t.morphTargetDictionary[e]]=e;for(let a=0;a<t.morphTargetInfluences.length;++a){const o={};let l=!1;for(const t in s.morphAttributes){if("position"!==t&&"normal"!==t){l||(console.warn("GLTFExporter: Only POSITION and NORMAL morph are supported."),l=!0);continue}const n=s.morphAttributes[t][a],i=t.toUpperCase(),r=s.attributes[t];if(e.attributes.has(this.getUID(n))){o[i]=e.attributes.get(this.getUID(n));continue}const h=n.clone();if(!s.morphTargetsRelative)for(let t=0,e=n.count;t<e;t++)h.setXYZ(t,n.getX(t)-r.getX(t),n.getY(t)-r.getY(t),n.getZ(t)-r.getZ(t));o[i]=this.processAccessor(h,s),e.attributes.set(this.getUID(r),o[i])}c.push(o),n.push(t.morphTargetInfluences[a]),void 0!==t.morphTargetDictionary&&i.push(r[a])}o.weights=n,i.length>0&&(o.extras={},o.extras.targetNames=i)}const m=Array.isArray(t.material);if(m&&0===s.groups.length)return null;const f=m?t.material:[t.material],g=m?s.groups:[{materialIndex:0,start:void 0,count:void 0}];for(let t=0,n=g.length;t<n;t++){const n={mode:a,attributes:l};if(this.serializeUserData(s,n),c.length>0&&(n.targets=c),null!==s.index){let i=this.getUID(s.index);void 0===g[t].start&&void 0===g[t].count||(i+=":"+g[t].start+":"+g[t].count),e.attributes.has(i)?n.indices=e.attributes.get(i):(n.indices=this.processAccessor(s.index,s,g[t].start,g[t].count),e.attributes.set(i,n.indices)),null===n.indices&&delete n.indices}const i=this.processMaterial(f[g[t].materialIndex]);null!==i&&(n.material=i),h.push(n)}o.primitives=h,n.meshes||(n.meshes=[]),this._invokeAll((function(e){e.writeMesh&&e.writeMesh(t,o)}));const v=n.meshes.push(o)-1;return e.meshes.set(r,v),v}processCamera(t){const e=this.json;e.cameras||(e.cameras=[]);const n=t.isOrthographicCamera,i={type:n?"orthographic":"perspective"};return n?i.orthographic={xmag:2*t.right,ymag:2*t.top,zfar:t.far<=0?.001:t.far,znear:t.near<0?0:t.near}:i.perspective={aspectRatio:t.aspect,yfov:f.degToRad(t.fov),zfar:t.far<=0?.001:t.far,znear:t.near<0?0:t.near},""!==t.name&&(i.name=t.type),e.cameras.push(i)-1}processAnimation(t,e){const n=this.json,i=this.nodeMap;n.animations||(n.animations=[]);const r=(t=Dv.Utils.mergeMorphTargetTracks(t.clone(),e)).tracks,s=[],a=[];for(let t=0;t<r.length;++t){const n=r[t],o=qo.parseTrackName(n.name);let l=qo.findNode(e,o.nodeName);const h=ty[o.propertyName];if("bones"===o.objectName&&(l=!0===l.isSkinnedMesh?l.skeleton.getBoneByName(o.objectIndex):void 0),!l||!h)return console.warn('THREE.GLTFExporter: Could not export animation track "%s".',n.name),null;const c=1;let u,d=n.values.length/n.times.length;h===ty.morphTargetInfluences&&(d/=l.morphTargetInfluences.length),!0===n.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline?(u="CUBICSPLINE",d/=3):u=2300===n.getInterpolation()?"STEP":"LINEAR",a.push({input:this.processAccessor(new oe(n.times,c)),output:this.processAccessor(new oe(n.values,d)),interpolation:u}),s.push({sampler:a.length-1,target:{node:i.get(l),path:h}})}return n.animations.push({name:t.name||"clip_"+n.animations.length,samplers:a,channels:s}),n.animations.length-1}processSkin(t){const e=this.json,n=this.nodeMap,i=e.nodes[n.get(t)],r=t.skeleton;if(void 0===r)return null;const s=t.skeleton.bones[0];if(void 0===s)return null;const a=[],o=new Float32Array(16*r.bones.length),l=new xt;for(let e=0;e<r.bones.length;++e)a.push(n.get(r.bones[e])),l.copy(r.boneInverses[e]),l.multiply(t.bindMatrix).toArray(o,16*e);void 0===e.skins&&(e.skins=[]),e.skins.push({inverseBindMatrices:this.processAccessor(new oe(o,16)),joints:a,skeleton:n.get(s)});return i.skin=e.skins.length-1}processNode(t){const e=this.json,n=this.options,i=this.nodeMap;e.nodes||(e.nodes=[]);const r={};if(n.trs){const e=t.quaternion.toArray(),n=t.position.toArray(),i=t.scale.toArray();ey(e,[0,0,0,1])||(r.rotation=e),ey(n,[0,0,0])||(r.translation=n),ey(i,[1,1,1])||(r.scale=i)}else t.matrixAutoUpdate&&t.updateMatrix(),!1===ey(t.matrix.elements,[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1])&&(r.matrix=t.matrix.elements);if(""!==t.name&&(r.name=String(t.name)),this.serializeUserData(t,r),t.isMesh||t.isLine||t.isPoints){const e=this.processMesh(t);null!==e&&(r.mesh=e)}else t.isCamera&&(r.camera=this.processCamera(t));if(t.isSkinnedMesh&&this.skins.push(t),t.children.length>0){const e=[];for(let i=0,r=t.children.length;i<r;i++){const r=t.children[i];if(r.visible||!1===n.onlyVisible){const t=this.processNode(r);null!==t&&e.push(t)}}e.length>0&&(r.children=e)}this._invokeAll((function(e){e.writeNode&&e.writeNode(t,r)}));const s=e.nodes.push(r)-1;return i.set(t,s),s}processScene(t){const e=this.json,n=this.options;e.scenes||(e.scenes=[],e.scene=0);const i={};""!==t.name&&(i.name=t.name),e.scenes.push(i);const r=[];for(let e=0,i=t.children.length;e<i;e++){const i=t.children[e];if(i.visible||!1===n.onlyVisible){const t=this.processNode(i);null!==t&&r.push(t)}}r.length>0&&(i.nodes=r),this.serializeUserData(t,i)}processObjects(t){const e=new Nr;e.name="AuxScene";for(let n=0;n<t.length;n++)e.children.push(t[n]);this.processScene(e)}processInput(t){const e=this.options;t=t instanceof Array?t:[t],this._invokeAll((function(e){e.beforeParse&&e.beforeParse(t)}));const n=[];for(let e=0;e<t.length;e++)t[e]instanceof Nr?this.processScene(t[e]):n.push(t[e]);n.length>0&&this.processObjects(n);for(let t=0;t<this.skins.length;++t)this.processSkin(this.skins[t]);for(let n=0;n<e.animations.length;++n)this.processAnimation(e.animations[n],t[0]);this._invokeAll((function(e){e.afterParse&&e.afterParse(t)}))}_invokeAll(t){for(let e=0,n=this.plugins.length;e<n;e++)t(this.plugins[e])}}class ay{constructor(t){this.writer=t,this.name="KHR_lights_punctual"}writeNode(t,e){if(!t.isLight)return;if(!t.isDirectionalLight&&!t.isPointLight&&!t.isSpotLight)return void console.warn("THREE.GLTFExporter: Only directional, point, and spot lights are supported.",t);const n=this.writer,i=n.json,r=n.extensionsUsed,s={};t.name&&(s.name=t.name),s.color=t.color.toArray(),s.intensity=t.intensity,t.isDirectionalLight?s.type="directional":t.isPointLight?(s.type="point",t.distance>0&&(s.range=t.distance)):t.isSpotLight&&(s.type="spot",t.distance>0&&(s.range=t.distance),s.spot={},s.spot.innerConeAngle=(t.penumbra-1)*t.angle*-1,s.spot.outerConeAngle=t.angle),void 0!==t.decay&&2!==t.decay&&console.warn("THREE.GLTFExporter: Light decay may be lost. glTF is physically-based, and expects light.decay=2."),!t.target||t.target.parent===t&&0===t.target.position.x&&0===t.target.position.y&&-1===t.target.position.z||console.warn("THREE.GLTFExporter: Light direction may be lost. For best results, make light.target a child of the light with position 0,0,-1."),r[this.name]||(i.extensions=i.extensions||{},i.extensions[this.name]={lights:[]},r[this.name]=!0);const a=i.extensions[this.name].lights;a.push(s),e.extensions=e.extensions||{},e.extensions[this.name]={light:a.length-1}}}class oy{constructor(t){this.writer=t,this.name="KHR_materials_unlit"}writeMaterial(t,e){if(!t.isMeshBasicMaterial)return;const n=this.writer.extensionsUsed;e.extensions=e.extensions||{},e.extensions[this.name]={},n[this.name]=!0,e.pbrMetallicRoughness.metallicFactor=0,e.pbrMetallicRoughness.roughnessFactor=.9}}class ly{constructor(t){this.writer=t,this.name="KHR_materials_pbrSpecularGlossiness"}writeMaterial(t,e){if(!t.isGLTFSpecularGlossinessMaterial)return;const n=this.writer,i=n.extensionsUsed,r={};e.pbrMetallicRoughness.baseColorFactor&&(r.diffuseFactor=e.pbrMetallicRoughness.baseColorFactor);const s=[1,1,1];if(t.specular.toArray(s,0),r.specularFactor=s,r.glossinessFactor=t.glossiness,e.pbrMetallicRoughness.baseColorTexture&&(r.diffuseTexture=e.pbrMetallicRoughness.baseColorTexture),t.specularMap){const e={index:n.processTexture(t.specularMap)};n.applyTextureTransform(e,t.specularMap),r.specularGlossinessTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}class hy{constructor(t){this.writer=t,this.name="KHR_materials_clearcoat"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial)return;const n=this.writer,i=n.extensionsUsed,r={};if(r.clearcoatFactor=t.clearcoat,t.clearcoatMap){const e={index:n.processTexture(t.clearcoatMap)};n.applyTextureTransform(e,t.clearcoatMap),r.clearcoatTexture=e}if(r.clearcoatRoughnessFactor=t.clearcoatRoughness,t.clearcoatRoughnessMap){const e={index:n.processTexture(t.clearcoatRoughnessMap)};n.applyTextureTransform(e,t.clearcoatRoughnessMap),r.clearcoatRoughnessTexture=e}if(t.clearcoatNormalMap){const e={index:n.processTexture(t.clearcoatNormalMap)};n.applyTextureTransform(e,t.clearcoatNormalMap),r.clearcoatNormalTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}class cy{constructor(t){this.writer=t,this.name="KHR_materials_transmission"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.transmission)return;const n=this.writer,i=n.extensionsUsed,r={};if(r.transmissionFactor=t.transmission,t.transmissionMap){const e={index:n.processTexture(t.transmissionMap)};n.applyTextureTransform(e,t.transmissionMap),r.transmissionTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}class uy{constructor(t){this.writer=t,this.name="KHR_materials_volume"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.transmission)return;const n=this.writer,i=n.extensionsUsed,r={};if(r.thicknessFactor=t.thickness,t.thicknessMap){const e={index:n.processTexture(t.thicknessMap)};n.applyTextureTransform(e,t.thicknessMap),r.thicknessTexture=e}r.attenuationDistance=t.attenuationDistance,r.attenuationColor=t.attenuationColor.toArray(),e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}Dv.Utils={insertKeyframe:function(t,e){const n=.001,i=t.getValueSize(),r=new t.TimeBufferType(t.times.length+1),s=new t.ValueBufferType(t.values.length+i),a=t.createInterpolant(new t.ValueBufferType(i));let o;if(0===t.times.length){r[0]=e;for(let t=0;t<i;t++)s[t]=0;o=0}else if(e<t.times[0]){if(Math.abs(t.times[0]-e)<n)return 0;r[0]=e,r.set(t.times,1),s.set(a.evaluate(e),0),s.set(t.values,i),o=0}else if(e>t.times[t.times.length-1]){if(Math.abs(t.times[t.times.length-1]-e)<n)return t.times.length-1;r[r.length-1]=e,r.set(t.times,0),s.set(t.values,0),s.set(a.evaluate(e),t.values.length),o=r.length-1}else for(let l=0;l<t.times.length;l++){if(Math.abs(t.times[l]-e)<n)return l;if(t.times[l]<e&&t.times[l+1]>e){r.set(t.times.slice(0,l+1),0),r[l+1]=e,r.set(t.times.slice(l+1),l+2),s.set(t.values.slice(0,(l+1)*i),0),s.set(a.evaluate(e),(l+1)*i),s.set(t.values.slice((l+1)*i),(l+2)*i),o=l+1;break}}return t.times=r,t.values=s,o},mergeMorphTargetTracks:function(t,e){const n=[],i={},r=t.tracks;for(let t=0;t<r.length;++t){let s=r[t];const a=qo.parseTrackName(s.name),o=qo.findNode(e,a.nodeName);if("morphTargetInfluences"!==a.propertyName||void 0===a.propertyIndex){n.push(s);continue}if(s.createInterpolant!==s.InterpolantFactoryMethodDiscrete&&s.createInterpolant!==s.InterpolantFactoryMethodLinear){if(s.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline)throw new Error("THREE.GLTFExporter: Cannot merge tracks with glTF CUBICSPLINE interpolation.");console.warn("THREE.GLTFExporter: Morph target interpolation mode not yet supported. Using LINEAR instead."),s=s.clone(),s.setInterpolation(2301)}const l=o.morphTargetInfluences.length,h=o.morphTargetDictionary[a.propertyIndex];if(void 0===h)throw new Error("THREE.GLTFExporter: Morph target name not found: "+a.propertyIndex);let c;if(void 0===i[o.uuid]){c=s.clone();const t=new c.ValueBufferType(l*c.times.length);for(let e=0;e<c.times.length;e++)t[e*l+h]=c.values[e];c.name=(a.nodeName||"")+".morphTargetInfluences",c.values=t,i[o.uuid]=c,n.push(c);continue}const u=s.createInterpolant(new s.ValueBufferType(1));c=i[o.uuid];for(let t=0;t<c.times.length;t++)c.values[t*l+h]=u.evaluate(c.times[t]);for(let t=0;t<s.times.length;t++){const e=this.insertKeyframe(c,s.times[t]);c.values[e*l+h]=s.values[t]}}return t.tracks=n,t}};
/* @license
 * Copyright 2021 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const dy=t=>void 0!==t.material&&t.userData&&t.userData.variantMaterials&&!!Array.from(t.userData.variantMaterials.values()).filter((t=>py(t.material))),py=t=>t&&t.isMaterial&&!Array.isArray(t);class my{constructor(t){this.writer=t,this.name="KHR_materials_variants",this.variantNames=[]}beforeParse(t){const e=new Set;for(const n of t)n.traverse((t=>{if(!dy(t))return;const n=t.userData.variantMaterials,i=t.userData.variantData;for(const[t,r]of i){const i=n.get(r.index);py(i.material)&&e.add(t)}}));e.forEach((t=>this.variantNames.push(t)))}writeMesh(t,e){if(!dy(t))return;const n=t.userData,i=n.variantMaterials,r=n.variantData,s=new Map,a=new Map,o=Array.from(r.values()).sort(((t,e)=>t.index-e.index));for(const[t,e]of o.entries())a.set(e.index,t);for(const t of r.values()){const e=i.get(t.index).material;if(!py(e))continue;const n=this.writer.processMaterial(e);s.has(n)||s.set(n,{material:n,variants:[]}),s.get(n).variants.push(a.get(t.index))}const l=Array.from(s.values()).map((t=>t.variants.sort(((t,e)=>t-e))&&t)).sort(((t,e)=>t.material-e.material));if(0===l.length)return;const h=py(n.originalMaterial)?this.writer.processMaterial(n.originalMaterial):-1;for(const t of e.primitives)h>=0&&(t.material=h),t.extensions=t.extensions||{},t.extensions[this.name]={mappings:l}}afterParse(){if(0===this.variantNames.length)return;const t=this.writer.json;t.extensions=t.extensions||{};const e=this.variantNames.map((t=>({name:t})));t.extensions[this.name]={variants:e},this.writer.extensionsUsed[this.name]=!0}}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const fy=Symbol("correlatedObjects"),gy=Symbol("sourceObject"),vy=Symbol("onUpdate");class yy{constructor(t,e,n=null){this[vy]=t,this[gy]=e,this[fy]=n}}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const xy=new uo,by=new re,_y=new rn(2,2);let wy=0;const My=Symbol("threeTexture");class Sy extends yy{get[My](){var t;return console.assert(null!=this[fy]&&this[fy].size>0,"Image correlated object is undefined"),null===(t=this[fy])||void 0===t?void 0:t.values().next().value}constructor(t,e,n){super(t,n=null!=n?n:{name:e&&e.image&&e.image.src?e.image.src.split("/").pop():"adhoc_image",uri:e&&e.image&&e.image.src?e.image.src:"adhoc_image"+wy++},new Set(e?[e]:[]))}get name(){return this[gy].name||""}get uri(){return this[gy].uri}get bufferView(){return this[gy].bufferView}get type(){return null!=this.uri?"external":"embedded"}set name(t){this[gy].name=t}async setURI(t){this[gy].uri=t,this[gy].name=t.split("/").pop();const e=await new Promise(((e,n)=>{xy.load(t,e,void 0,n)})),n=this[My];n.image=e,n.needsUpdate=!0,this[vy]()}async createThumbnail(t,e){const n=new Nr;by.map=this[My];const i=new Fe(_y,by);n.add(i);const r=new mn(-1,1,1,-1,0,1),{threeRenderer:s}=Fd.singleton,a=new k(t,e);s.setRenderTarget(a),s.render(n,r),s.setRenderTarget(null);const o=new Uint8Array(t*e*4);s.readRenderTargetPixels(a,0,0,t,e,o),Kd.width=t,Kd.height=e;const l=Kd.getContext("2d"),h=l.createImageData(t,e);return h.data.set(o),l.putImageData(h,0,0),new Promise((async(t,e)=>{Kd.toBlob((n=>{if(!n)return e("Failed to capture thumbnail.");t(URL.createObjectURL(n))}),"image/png")}))}}var Ty,Ey;!function(t){t[t.Nearest=9728]="Nearest",t[t.Linear=9729]="Linear",t[t.NearestMipmapNearest=9984]="NearestMipmapNearest",t[t.LinearMipmapNearest=9985]="LinearMipmapNearest",t[t.NearestMipmapLinear=9986]="NearestMipmapLinear",t[t.LinearMipmapLinear=9987]="LinearMipmapLinear"}(Ty||(Ty={})),function(t){t[t.ClampToEdge=33071]="ClampToEdge",t[t.MirroredRepeat=33648]="MirroredRepeat",t[t.Repeat=10497]="Repeat"}(Ey||(Ey={}));
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const Ay=(()=>{const t=[Ty.Nearest,Ty.Linear,Ty.NearestMipmapNearest,Ty.LinearMipmapLinear,Ty.NearestMipmapLinear,Ty.LinearMipmapLinear];return e=>t.indexOf(e)>-1})(),Ry=(()=>{const t=[Ty.Nearest,Ty.Linear];return e=>t.indexOf(e)>-1})(),Cy=(()=>{const t=[Ey.ClampToEdge,Ey.MirroredRepeat,Ey.Repeat];return e=>t.indexOf(e)>-1})(),Ly=Symbol("threeTextures"),Py=Symbol("setProperty"),Dy=Symbol("sourceSampler");class Iy extends yy{get[Ly](){return console.assert(null!=this[fy]&&this[fy].size>0,"Sampler correlated object is undefined"),this[fy]}get[Dy](){return console.assert(null!=this[gy],"Sampler source is undefined"),this[gy]}constructor(t,e,n){null==(n=null!=n?n:{}).minFilter&&(n.minFilter=e?e.minFilter:Ty.LinearMipmapLinear),null==n.magFilter&&(n.magFilter=e?e.magFilter:Ty.Linear),null==n.wrapS&&(n.wrapS=e?e.wrapS:Ey.Repeat),null==n.wrapT&&(n.wrapT=e?e.wrapT:Ey.Repeat),super(t,n,new Set(e?[e]:[]))}get name(){return this[gy].name||""}get minFilter(){return this[Dy].minFilter}get magFilter(){return this[Dy].magFilter}get wrapS(){return this[Dy].wrapS}get wrapT(){return this[Dy].wrapT}setMinFilter(t){this[Py]("minFilter",t)}setMagFilter(t){this[Py]("magFilter",t)}setWrapS(t){this[Py]("wrapS",t)}setWrapT(t){this[Py]("wrapT",t)}[Py](t,e){const n=this[Dy];if(null!=n){if(((t,e)=>{switch(t){case"minFilter":return Ay(e);case"magFilter":return Ry(e);case"wrapS":case"wrapT":return Cy(e);default:throw new Error(`Cannot configure property "${t}" on Sampler`)}})(t,e)){n[t]=e;for(const n of this[Ly])n[t]=e,n.needsUpdate=!0}this[vy]()}}}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */const Oy=Symbol("image"),Ny=Symbol("sampler");class Fy extends yy{constructor(t,e,n=null,i=null,r=null){super(t,n||{},new Set(e?[e]:[])),this[Ny]=new Iy(t,e,i),this[Oy]=new Sy(t,e,r)}get name(){return this[gy].name||""}set name(t){this[gy].name=t}get sampler(){return this[Ny]}get source(){return this[Oy]}}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */var Uy,ky;const By=Symbol("texture"),zy=Symbol("transform"),Hy=Symbol("materials"),Vy=Symbol("usage");var Gy;!function(t){t[t.Base=0]="Base",t[t.MetallicRoughness=1]="MetallicRoughness",t[t.Normal=2]="Normal",t[t.Occlusion=3]="Occlusion",t[t.Emissive=4]="Emissive"}(Gy||(Gy={}));class Wy{constructor(t,e,n,i,r,s){if(this[Uy]=null,this[ky]={rotation:0,scale:new g(1,1),offset:new g(0,0)},s&&n){const e=r.textures?r.textures[s.index]:null,i=e&&r.samplers?r.samplers[e.sampler]:null,a=e&&r.images?r.images[e.source]:null;this[zy].rotation=n.rotation,this[zy].scale.copy(n.repeat),this[zy].offset.copy(n.offset),this[By]=new Fy(t,n,e,i,a)}this.onUpdate=t,this[Hy]=i,this[Vy]=e}get texture(){return this[By]}setTexture(t){const e=null!=t?t.source[My]:null;let n=3001;if(this[By]=t,this[Hy])for(const t of this[Hy]){switch(this[Vy]){case Gy.Base:t.map=e;break;case Gy.MetallicRoughness:n=3e3,t.metalnessMap=e,t.roughnessMap=e;break;case Gy.Normal:n=3e3,t.normalMap=e;break;case Gy.Occlusion:n=3e3,t.aoMap=e;break;case Gy.Emissive:t.emissiveMap=e}t.needsUpdate=!0}e&&(e.encoding=n,e.rotation=this[zy].rotation,e.repeat=this[zy].scale,e.offset=this[zy].offset),this.onUpdate()}}Uy=By,ky=zy;
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
const jy=Symbol("threeMaterials"),qy=Symbol("baseColorTexture"),Xy=Symbol("metallicRoughnessTexture");class $y extends yy{constructor(t,e,n,i){super(t,n,i),null==n.baseColorFactor&&(n.baseColorFactor=[1,1,1,1]),null==n.roughnessFactor&&(n.roughnessFactor=1),null==n.metallicFactor&&(n.metallicFactor=1);const{baseColorTexture:r,metallicRoughnessTexture:s}=n,{map:a,metalnessMap:o}=i.values().next().value;this[qy]=new Wy(t,Gy.Base,a,i,e,r||null),this[Xy]=new Wy(t,Gy.MetallicRoughness,o,i,e,s||null)}get[jy](){return this[fy]}get baseColorFactor(){return this[gy].baseColorFactor}get metallicFactor(){return this[gy].metallicFactor}get roughnessFactor(){return this[gy].roughnessFactor}get baseColorTexture(){return this[qy]}get metallicRoughnessTexture(){return this[Xy]}setBaseColorFactor(t){for(const e of this[jy])e.color.fromArray(t),e.opacity=t[3];this[gy].baseColorFactor=t,this[vy]()}setMetallicFactor(t){for(const e of this[jy])e.metalness=t;this[gy].metallicFactor=t,this[vy]()}setRoughnessFactor(t){for(const e of this[jy])e.roughness=t;this[gy].roughnessFactor=t,this[vy]()}}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */var Yy;const Jy=Symbol("pbrMetallicRoughness"),Ky=Symbol("normalTexture"),Zy=Symbol("occlusionTexture"),Qy=Symbol("emissiveTexture"),tx=Symbol("backingThreeMaterial"),ex=Symbol("applyAlphaCutoff"),nx=Symbol("lazyLoadGLTFInfo"),ix=Symbol("initialize"),rx=Symbol("getLoadedMaterial"),sx=Symbol("ensureMaterialIsLoaded"),ax=Symbol("gltfIndex"),ox=Symbol("setActive"),lx=Symbol("variantIndices"),hx=Symbol("isActive"),cx=Symbol("variantSet"),ux=Symbol("modelVariants");class dx extends yy{constructor(t,e,n,i,r,s,a,o){super(t,n,a),this[Yy]=new Set,this[ax]=i,this[hx]=r,this[ux]=s,null==o?this[ix](e):this[nx]=o}get[(Yy=cx,tx)](){return this[fy].values().next().value}[ix](t){const e=this[vy],n=this[gy],i=this[fy];n.extensions&&n.extensions.KHR_materials_pbrSpecularGlossiness&&console.warn(`Material ${n.name} uses a deprecated extension\n          "KHR_materials_pbrSpecularGlossiness", please use\n          "pbrMetallicRoughness" instead. Specular Glossiness materials are\n          currently supported for rendering, but not for our scene-graph API,\n          nor for auto-generation of USDZ for Quick Look.`),null==n.pbrMetallicRoughness&&(n.pbrMetallicRoughness={}),this[Jy]=new $y(e,t,n.pbrMetallicRoughness,i),null==n.emissiveFactor&&(n.emissiveFactor=[0,0,0]),null==n.doubleSided&&(n.doubleSided=!1),null==n.alphaMode&&(n.alphaMode="OPAQUE"),null==n.alphaCutoff&&(n.alphaCutoff=.5);const{normalTexture:r,occlusionTexture:s,emissiveTexture:a}=n,{normalMap:o,aoMap:l,emissiveMap:h}=i.values().next().value;this[Ky]=new Wy(e,Gy.Normal,o,i,t,r||null),this[Zy]=new Wy(e,Gy.Occlusion,l,i,t,s||null),this[Qy]=new Wy(e,Gy.Emissive,h,i,t,a||null)}async[rx](){if(null!=this[nx]){const{set:t,material:e}=await this[nx].doLazyLoad();return this[fy]=t,this[ix](this[nx].gltf),this[nx]=void 0,this.ensureLoaded=async()=>{},e}return this[fy].values().next().value}[sx](){if(null!=this[nx])throw new Error(`Material "${this.name}" has not been loaded, call 'await\n    myMaterial.ensureLoaded()' before using an unloaded material.`)}async ensureLoaded(){await this[rx]()}get isLoaded(){return null==this[nx]}get isActive(){return this[hx]}[ox](t){this[hx]=t}get name(){return this[gy].name}set name(t){const e=this[gy];if(null!=e&&(e.name=t),null!=this[fy])for(const e of this[fy])e.name=t}get pbrMetallicRoughness(){return this[sx](),this[Jy]}get normalTexture(){return this[sx](),this[Ky]}get occlusionTexture(){return this[sx](),this[Zy]}get emissiveTexture(){return this[sx](),this[Qy]}get emissiveFactor(){return this[sx](),this[gy].emissiveFactor}get index(){return this[ax]}[lx](){return this[cx]}hasVariant(t){const e=this[ux].get(t);return null!=e&&this[cx].has(e.index)}setEmissiveFactor(t){this[sx]();for(const e of this[fy])e.emissive.fromArray(t);this[gy].emissiveFactor=t,this[vy]()}[ex](){this[sx]();const t=this[gy];for(const e of this[fy])"MASK"===this[gy].alphaMode?e.alphaTest=t.alphaCutoff:e.alphaTest=void 0,e.needsUpdate=!0}setAlphaCutoff(t){this[sx](),this[gy].alphaCutoff=t,this[ex](),this[vy]()}getAlphaCutoff(){return this[sx](),this[gy].alphaCutoff}setDoubleSided(t){this[sx]();for(const e of this[fy])e.side=t?2:0,e.needsUpdate=!0;this[gy].doubleSided=t,this[vy]()}getDoubleSided(){return this[sx](),this[gy].doubleSided}setAlphaMode(t){this[sx]();const e=(t,e)=>{t.transparent=e,t.depthWrite=!e};this[gy].alphaMode=t;for(const n of this[fy])e(n,"BLEND"===t),this[ex](),n.needsUpdate=!0;this[vy]()}getAlphaMode(){return this[sx](),this[gy].alphaMode}}var px,mx,fx;const gx=Symbol("materials"),vx=Symbol("variantToMaterialMap"),yx=Symbol("modelVariants"),xx=Symbol("mesh"),bx=Symbol("children"),_x=Symbol("initialMaterialIdx"),wx=Symbol("activeMaterialIdx");class Mx{constructor(t){this.name="",this[px]=new Array,this.name=t}}px=bx;class Sx extends Mx{constructor(t,e,n,i){super(t.name),this[mx]=new Map,this[fx]=new Map,this[xx]=t;const{gltf:r,threeGLTF:s,threeObjectMap:a}=i;this[yx]=n,this.mesh.userData.variantData=n;const o=a.get(t.material);null!=o.materials?this[_x]=this[wx]=o.materials:console.error(`Primitive (${t.name}) missing initial material reference.`);const l=t.userData.associations||{};if(null==l.meshes)return void console.error("Mesh is missing primitive index association");const h=((r.meshes||[])[l.meshes].primitives||[])[l.primitives];if(null!=h){if(null!=h.material)this[gx].set(h.material,e[h.material]);else{const t=e.findIndex((t=>"Default"===t.name));t>=0?this[gx].set(t,e[t]):console.warn("gltfPrimitive has no material!")}if(h.extensions&&h.extensions.KHR_materials_variants){const t=h.extensions.KHR_materials_variants,i=s.parser.json.extensions.KHR_materials_variants.variants;for(const r of t.mappings){const t=e[r.material];this[gx].set(r.material,t);for(const e of r.variants){const{name:r}=i[e];this[vx].set(e,t),t[lx]().add(e),n.has(r)||n.set(r,{name:r,index:e})}}}}else console.error("Mesh primitive definition is missing.")}get mesh(){return this[xx]}async setActiveMaterial(t){const e=this[gx].get(t);return null!=e&&(this.mesh.material=await e[rx](),this[wx]=t),this.mesh.material}getActiveMaterial(){return this[gx].get(this[wx])}getMaterial(t){return this[gx].get(t)}async enableVariant(t){if(null==t)return this.setActiveMaterial(this[_x]);if(null!=this[vx]&&this[yx].has(t)){const e=this[yx].get(t);return this.enableVariantHelper(e.index)}return null}async enableVariantHelper(t){if(null!=this[vx]&&null!=t){const e=this[vx].get(t);if(null!=e)return this.setActiveMaterial(e.index)}return null}async instantiateVariants(){if(null!=this[vx])for(const t of this[vx].keys()){if(null!=this.mesh.userData.variantMaterials.get(t).material)continue;const e=await this.enableVariantHelper(t);null!=e&&(this.mesh.userData.variantMaterials.get(t).material=e)}}get variantInfo(){return this[vx]}addVariant(t,e){if(!this.ensureVariantIsUnused(e))return!1;this[yx].has(e)||this[yx].set(e,{name:e,index:this[yx].size});const n=this[yx].get(e).index;return t[lx]().add(n),this[vx].set(n,t),this[gx].set(t.index,t),this.updateVariantUserData(n,t),!0}deleteVariant(t){if(this.variantInfo.has(t)){this.variantInfo.delete(t);const e=this.mesh.userData.variantMaterials;null!=e&&e.delete(t)}}updateVariantUserData(t,e){e[lx]().add(t),this.mesh.userData.variantData=this[yx],this.mesh.userData.variantMaterials=this.mesh.userData.variantMaterials||new Map;this.mesh.userData.variantMaterials.set(t,{material:e[fy].values().next().value,gltfMaterialIndex:e.index})}ensureVariantIsUnused(t){const e=this[yx].get(t);return null==e||!this.variantInfo.has(e.index)||(console.warn(`Primitive cannot add variant '${t}' for this material, it already exists.`),!1)}}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var Tx,Ex,Ax,Rx,Cx,Lx;mx=gx,fx=vx;const Px=Symbol("materials"),Dx=Symbol("hierarchy"),Ix=Symbol("roots"),Ox=Symbol("primitives"),Nx=Symbol("correlatedSceneGraph"),Fx=Symbol("prepareVariantsForExport"),Ux=Symbol("switchVariant"),kx=Symbol("threeScene"),Bx=Symbol("materialsFromPoint"),zx=Symbol("materialFromPoint"),Hx=Symbol("variantData"),Vx=Symbol("availableVariants"),Gx=Symbol("modelOnUpdate"),Wx=Symbol("cloneMaterial");class jx{constructor(t,e,n,i){this.gltf=t,this.gltfElementMap=e,this.mapKey=n,this.doLazyLoad=i}}class qx{constructor(t,e=(()=>{})){this[Tx]=new Array,this[Ex]=new Array,this[Ax]=new Array,this[Rx]=new Array,this[Cx]=()=>{},this[Lx]=new Map,this[Gx]=e,this[Nx]=t;const{gltf:n,threeGLTF:i,gltfElementMap:r}=t;this[kx]=i.scene;for(const[t,s]of n.materials.entries()){const a=r.get(s);if(null!=a)this[Px].push(new dx(e,n,s,t,!0,this[Hx],a));else{const s=(n.materials||[])[t],o=t,l=async()=>{const t=await i.parser.getDependency("material",o),e=new Set;return r.set(s,e),e.add(t),{set:e,material:t}};this[Px].push(new dx(e,n,s,t,!1,this[Hx],a,new jx(n,r,s,l)))}}const s=new Map,a=new Array;for(const t of i.scene.children)a.push(t);for(;a.length>0;){const e=a.pop();let n=null;e instanceof Fe?(n=new Sx(e,this.materials,this[Hx],t),this[Ox].push(n)):n=new Mx(e.name);const i=s.get(e);null!=i?i[bx].push(n):this[Ix].push(n),this[Dx].push(n);for(const t of e.children)a.push(t),s.set(e,n)}}get materials(){return this[Px]}[(Tx=Px,Ex=Dx,Ax=Ix,Rx=Ox,Cx=Gx,Lx=Hx,Vx)](){const t=Array.from(this[Hx].values());return t.sort(((t,e)=>t.index-e.index)),t.map((t=>t.name))}getMaterialByName(t){const e=this[Px].filter((e=>e.name===t));return e.length>0?e[0]:null}[Bx](t){return t.intersectObject(this[kx],!0).map((t=>{const e=this[Dx].find((e=>{if(e instanceof Sx){if(e.mesh===t.object)return!0}return!1}));return null!=e?e.getActiveMaterial():null}))}[zx](t){const e=this[Bx](t);return e.length>0?e[0]:null}async[Ux](t){for(const e of this[Ox])await e.enableVariant(t);for(const t of this.materials)t[ox](!1);for(const t of this[Ox])this.materials[t.getActiveMaterial().index][ox](!0)}async[Fx](){const t=new Array;for(const e of this[Ox])t.push(e.instantiateVariants());await Promise.all(t)}[Wx](t,e){const n=this.materials[t];n.isLoaded||console.error("Cloning an unloaded material,\n           call 'material.ensureLoaded() before cloning the material.");const i=n[fy],r=JSON.parse(JSON.stringify(n[gy]));r.name=e;this[Nx].gltf.materials.push(r);const s=new Set;for(const[t,n]of i.entries()){const r=n.clone();r.name=e+(i.size>1?"_inst"+t:""),s.add(r)}const a=new dx(this[Gx],this[Nx].gltf,r,this[Px].length,!1,this[Hx],s);return this[Px].push(a),a}createMaterialInstanceForVariant(t,e,n,i=!0){let r=null;for(const i of this[Ox]){const s=this[Hx].get(n);null!=s&&i.variantInfo.has(s.index)||null!=i.getMaterial(t)&&(this.hasVariant(n)||this.createVariant(n),null==r&&(r=this[Wx](t,e)),i.addVariant(r,n))}if(i&&null!=r){r[ox](!0),this.materials[t][ox](!1);for(const t of this[Ox])t.enableVariant(n)}return r}createVariant(t){this[Hx].has(t)?console.warn(`Variant '${t}'' already exists`):this[Hx].set(t,{name:t,index:this[Hx].size})}hasVariant(t){return this[Hx].has(t)}setMaterialToVariant(t,e){if(null!=this[Vx]().find((t=>t===e)))if(t<0||t>=this.materials.length)console.error("setMaterialToVariant(): materialIndex is out of bounds.");else for(const n of this[Ox]){const i=n.getMaterial(t);null!=i&&n.addVariant(i,e)}else console.warn(`Can't add material to '${e}', the variant does not exist.'`)}updateVariantName(t,e){const n=this[Hx].get(t);null!=n&&(n.name=e,this[Hx].set(e,n),this[Hx].delete(t))}deleteVariant(t){const e=this[Hx].get(t);if(null!=e){for(const n of this.materials)n.hasVariant(t)&&n[cx].delete(e.index);for(const t of this[Ox])t.deleteVariant(e.index);this[Hx].delete(t)}}}
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */var Xx=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const $x=Symbol("currentGLTF"),Yx=Symbol("model"),Jx=Symbol("getOnUpdateMethod"),Kx=Symbol("textureLoader"),Zx=Symbol("originalGltfJson");
/* @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var Qx=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const tb=Math.PI/32,eb={basis:[Mu(pu(tb,"rad"))],keywords:{auto:[null]}},nb=Symbol("autoRotateStartTime"),ib=Symbol("radiansPerSecond"),rb=Symbol("syncRotationRate"),sb=Symbol("onCameraChange"),ab=(t=>{var e,n,i;class r extends t{constructor(){super(...arguments),this[e]=new Map,this[n]=t=>{t.forEach((t=>{t instanceof MutationRecord&&"childList"!==t.type||(t.addedNodes.forEach((t=>{this[Gp](t)})),t.removedNodes.forEach((t=>{this[Wp](t)})),this[wp]())}))},this[i]=new MutationObserver(this[Hp])}connectedCallback(){super.connectedCallback();for(let t=0;t<this.children.length;++t)this[Gp](this.children[t]);const{ShadyDOM:t}=self;null==t?this[Vp].observe(this,{childList:!0}):this[Vp]=t.observeChildren(this,this[Hp])}disconnectedCallback(){super.disconnectedCallback();const{ShadyDOM:t}=self;null==t?this[Vp].disconnect():t.unobserveChildren(this[Vp])}[(e=zp,n=Hp,i=Vp,Mp)](t,e){super[Mp](t,e);const n=this[_p],{annotationRenderer:i}=n,r=n.getCamera();n.shouldRender()&&(n.updateHotspots(r.position),i.domElement.style.display="",i.render(n,r))}updateHotspot(t){const e=this[zp].get(t.name);null!=e&&(e.updatePosition(t.position),e.updateNormal(t.normal),this[wp]())}positionAndNormalFromPoint(t,e){const n=this[_p],i=n.getNDC(t,e),r=n.positionAndNormalFromPoint(i);if(null==r)return null;jp.copy(n.target.matrixWorld).invert();const s=Ip(r.position.applyMatrix4(jp));qp.getNormalMatrix(jp);const a=Ip(r.normal.applyNormalMatrix(qp));let o=null;return null!=r.uv&&(o=Op(r.uv)),{position:s,normal:a,uv:o}}[Gp](t){if(!(t instanceof HTMLElement&&0===t.slot.indexOf("hotspot")))return;let e=this[zp].get(t.slot);null!=e?e.increment():(e=new Eu({name:t.slot,position:t.dataset.position,normal:t.dataset.normal}),this[zp].set(t.slot,e),this[_p].addHotspot(e)),this[_p].queueRender()}[Wp](t){if(!(t instanceof HTMLElement))return;const e=this[zp].get(t.slot);e&&(e.decrement()&&(this[_p].removeHotspot(e),this[zp].delete(t.slot)),this[_p].queueRender())}}return r})((t=>{var n,i,r,s;class a extends t{constructor(){super(...arguments),this[n]=void 0,this[i]=null,this[r]=new fo,this[s]=null,this.variantName=null,this.orientation="0 0 0",this.scale="1 1 1"}get model(){return this[Yx]}get availableVariants(){return this.model?this.model[Vx]():[]}get originalGltfJson(){return this[Zx]}[(n=Yx,i=$x,r=Kx,s=Zx,Jx)](){return()=>{this[wp]()}}async createTexture(t,e="image/png"){const n=this[$x],i=await new Promise((e=>this[Kx].load(t,e)));return n&&i?(i.encoding=3001,i.wrapS=1e3,i.wrapT=1e3,i.flipY=!1,i.userData.mimeType=e,new Fy(this[Jx](),i)):null}async updated(t){if(super.updated(t),t.has("variantName")){const t=this[$x],{variantName:e}=this;null!=t&&(await this[Yx][Ux](e),this[wp](),this.dispatchEvent(new CustomEvent("variant-applied")))}if(t.has("orientation")||t.has("scale")){const{modelContainer:t}=this[_p],e=mu(this.orientation)[0].terms,n=Tu(e[0]).number,i=Tu(e[1]).number,r=Tu(e[2]).number;t.quaternion.setFromEuler(new Ct(i,r,n,"YXZ"));const s=mu(this.scale)[0].terms;t.scale.set(s[0].number,s[1].number,s[2].number),this[_p].updateBoundingBox(),this[_p].updateShadow(),this[Ep].arRenderer.onUpdateScene(),this[wp]()}}[Sp](){super[Sp]();const{currentGLTF:t}=this[_p];if(null!=t){const{correlatedSceneGraph:e}=t;null!=e&&t!==this[$x]&&(this[Yx]=new qx(e,this[Jx]()),this[Zx]=JSON.parse(JSON.stringify(e.gltf))),"variants"in t.userData&&this.requestUpdate("variantName")}this[$x]=t,this.dispatchEvent(new CustomEvent("scene-graph-ready"))}async exportScene(t){const e=this[_p];return new Promise((async n=>{const i={binary:!0,onlyVisible:!0,maxTextureSize:1/0,forcePowerOfTwoTextures:!1,includeCustomExtensions:!1,embedImages:!0};Object.assign(i,t),i.animations=e.animations,i.truncateDrawRange=!0;const r=e.shadow;let s=!1;null!=r&&(s=r.visible,r.visible=!1),await this[Yx][Fx]();(new Dv).register((t=>new my(t))).parse(e.modelContainer.children[0],(t=>n(new Blob([i.binary?t:JSON.stringify(t)],{type:i.binary?"application/octet-stream":"application/json"}))),i),null!=r&&(r.visible=s)}))}materialFromPoint(t,e){const n=this[_p],i=n.getNDC(t,e);return n.raycaster.setFromCamera(i,n.getCamera()),this[Yx][zx](n.raycaster)}}return Xx([e({type:String,attribute:"variant-name"})],a.prototype,"variantName",void 0),Xx([e({type:String,attribute:"orientation"})],a.prototype,"orientation",void 0),Xx([e({type:String,attribute:"scale"})],a.prototype,"scale",void 0),a})((t=>{var n,i,r;class s extends t{constructor(){super(...arguments),this.autoRotate=!1,this.autoRotateDelay=3e3,this.rotationPerSecond="auto",this[n]=performance.now(),this[i]=0,this[r]=t=>{this.autoRotate&&"user-interaction"===t.detail.source&&(this[nb]=performance.now())}}connectedCallback(){super.connectedCallback(),this.addEventListener("camera-change",this[sb]),this[nb]=performance.now()}disconnectedCallback(){super.disconnectedCallback(),this.removeEventListener("camera-change",this[sb]),this[nb]=performance.now()}updated(t){super.updated(t),t.has("autoRotate")&&(this[nb]=performance.now())}[(n=nb,i=ib,rb)](t){this[ib]=t[0]}[Mp](t,e){if(super[Mp](t,e),!this.autoRotate||!this[Dp]()||this[Ep].isPresenting)return;const n=Math.min(e,t-this[nb]-this.autoRotateDelay);n>0&&(this[_p].yaw=this.turntableRotation+this[ib]*n*.001)}get turntableRotation(){return this[_p].yaw}resetTurntableRotation(t=0){this[_p].yaw=t}}return r=sb,Qx([e({type:Boolean,attribute:"auto-rotate"})],s.prototype,"autoRotate",void 0),Qx([e({type:Number,attribute:"auto-rotate-delay"})],s.prototype,"autoRotateDelay",void 0),Qx([tg({intrinsics:eb,updateHandler:rb}),e({type:String,attribute:"rotation-per-second"})],s.prototype,"rotationPerSecond",void 0),s})((t=>{var n,i,r;class s extends t{constructor(){super(...arguments),this.environmentImage=null,this.skyboxImage=null,this.shadowIntensity=0,this.shadowSoftness=1,this.exposure=1,this[n]=null,this[i]=null,this[r]=t=>{t.element===this&&this[Gu]()}}connectedCallback(){super.connectedCallback(),this[Ep].loader.addEventListener("preload",this[ju])}disconnectedCallback(){super.disconnectedCallback(),this[Ep].loader.removeEventListener("preload",this[ju])}updated(t){super.updated(t),t.has("shadowIntensity")&&(this[_p].setShadowIntensity(.5*this.shadowIntensity),this[wp]()),t.has("shadowSoftness")&&(this[_p].setShadowSoftness(this.shadowSoftness),this[wp]()),t.has("exposure")&&(this[_p].exposure=this.exposure,this[wp]()),(t.has("environmentImage")||t.has("skyboxImage"))&&this[Lp]()&&this[Gu]()}hasBakedShadow(){return this[_p].bakedShadows.size>0}[(n=Hu,i=Wu,r=ju,Sp)](){super[Sp](),null!=this[Hu]&&this[Vu](this[Hu])}async[Gu](){const{skyboxImage:t,environmentImage:e}=this;null!=this[Wu]&&(this[Wu](),this[Wu]=null);const{textureUtils:n}=this[Ep];if(null!=n)try{const{environmentMap:i,skybox:r}=await new Promise((async(i,r)=>{const s=n.generateEnvironmentMapAndSkybox(ru(t),e,{progressTracker:this[Ap]});this[Wu]=()=>r(s),i(await s)}));this[_p].background=null!=r?r.name===i.name?i:r:null,this[Vu](i),this[_p].dispatchEvent({type:"envmap-update"})}catch(t){if(t instanceof Error)throw this[Vu](null),t}}[Vu](t){this[_p].environment!==t&&(this[Hu]=t,this[_p].environment=this[Hu],this.dispatchEvent(new CustomEvent("environment-change")),this[wp]())}}return zu([e({type:String,attribute:"environment-image"})],s.prototype,"environmentImage",void 0),zu([e({type:String,attribute:"skybox-image"})],s.prototype,"skyboxImage",void 0),zu([e({type:Number,attribute:"shadow-intensity"})],s.prototype,"shadowIntensity",void 0),zu([e({type:Number,attribute:"shadow-softness"})],s.prototype,"shadowSoftness",void 0),zu([e({type:Number})],s.prototype,"exposure",void 0),s})((t=>{var n,i,r,s,a,o,l,h,c,u,d,p,m,f,g,v,y,x;class b extends t{constructor(){super(...arguments),this.cameraControls=!1,this.cameraOrbit="0deg 75deg 105%",this.cameraTarget="auto auto auto",this.fieldOfView="auto",this.minCameraOrbit="auto",this.maxCameraOrbit="auto",this.minFieldOfView="auto",this.maxFieldOfView="auto",this.interactionPromptThreshold=3e3,this.interactionPromptStyle=Sg,this.interactionPrompt=wg,this.interactionPolicy=Tg,this.orbitSensitivity=1,this.touchAction=Eg,this.disableZoom=!1,this.enablePan=!1,this.interpolationDecay=50,this.bounds="legacy",this[n]=this.shadowRoot.querySelector(".interaction-prompt"),this[i]=this.shadowRoot.querySelector("#prompt"),this[r]=[this.shadowRoot.querySelector("#finger0"),this.shadowRoot.querySelector("#finger1")],this[s]=this.shadowRoot.querySelector(".pan-target"),this[a]=1/0,this[o]=0,this[l]=1/0,this[h]=!1,this[c]=!1,this[u]=new pg(this[_p].camera,this[xp],this[_p]),this[d]=new Ko,this[p]=!1,this[m]=!1,this[f]=!1,this[g]=()=>{isFinite(this[Qg])||(this[Qg]=performance.now()),this.interactionPrompt!==Mg||this[Jg]||(this[Yg]=!0)},this[v]=()=>{this.interactionPrompt===Mg&&(this[Yg]=!1,this[Bg].classList.remove("visible"),this[Kg]=1/0,this[Qg]=1/0)},this[y]=({source:t})=>{this[Gg](),this[wp](),t===ug&&(this[Jg]=!0,this[Vg]()),this.dispatchEvent(new CustomEvent("camera-change",{detail:{source:t}}))},this[x]=t=>{"pointer-change-start"===t.type?this[yp].classList.add("pointer-tumbling"):this[yp].classList.remove("pointer-tumbling")}}getCameraOrbit(){const{theta:t,phi:e,radius:n}=this[tv];return{theta:t,phi:e,radius:n,toString(){return`${this.theta}rad ${this.phi}rad ${this.radius}m`}}}getCameraTarget(){return Ip(this[Ep].isPresenting?this[Ep].arRenderer.target:this[_p].getTarget())}getFieldOfView(){return this[Ug].getFieldOfView()}getMinimumFieldOfView(){return this[Ug].options.minimumFieldOfView}getMaximumFieldOfView(){return this[Ug].options.maximumFieldOfView}getIdealAspect(){return this[_p].idealAspect}jumpCameraToGoal(){this[ev]=!0,this.requestUpdate(ev,!1)}resetInteractionPrompt(){this[Zg]=0,this[Kg]=1/0,this[Jg]=!1,this[Yg]=this.interactionPrompt===wg&&this.cameraControls}zoom(t){const e=new WheelEvent("wheel",{deltaY:-30*t});this[xp].dispatchEvent(e)}connectedCallback(){super.connectedCallback(),this[Ug].addEventListener("change",this[Xg]),this[Ug].addEventListener("pointer-change-start",this[$g]),this[Ug].addEventListener("pointer-change-end",this[$g])}disconnectedCallback(){super.disconnectedCallback(),this[Ug].removeEventListener("change",this[Xg]),this[Ug].removeEventListener("pointer-change-start",this[$g]),this[Ug].removeEventListener("pointer-change-end",this[$g])}updated(t){super.updated(t);const e=this[Ug],n=this[_p],i=this[xp];if(t.has("cameraControls")&&(this.cameraControls?(e.enableInteraction(),this.interactionPrompt===wg&&(this[Yg]=!0),i.addEventListener("focus",this[qg]),i.addEventListener("blur",this[jg])):(i.removeEventListener("focus",this[qg]),i.removeEventListener("blur",this[jg]),e.disableInteraction(),this[Vg]()),this[xp].setAttribute("aria-label",this[up])),t.has("disableZoom")&&(e.disableZoom=this.disableZoom),t.has("enablePan")&&(e.enablePan=this.enablePan),t.has("bounds")&&(n.tightBounds="tight"===this.bounds),(t.has("interactionPrompt")||t.has("cameraControls")||t.has("src"))&&(this.interactionPrompt===wg&&this.cameraControls&&!this[Jg]?this[Yg]=!0:this[Vg]()),t.has("interactionPolicy")){const t=this.interactionPolicy;e.applyOptions({interactionPolicy:t})}if(t.has("touchAction")){const t=this.touchAction;e.applyOptions({touchAction:t}),e.updateTouchActionStyle()}t.has("orbitSensitivity")&&(e.sensitivity=this.orbitSensitivity),t.has("interpolationDecay")&&(e.setDamperDecayTime(this.interpolationDecay),n.setTargetDamperDecayTime(this.interpolationDecay)),!0===this[ev]&&Promise.resolve().then((()=>{e.jumpToGoal(),n.jumpToGoal(),this[ev]=!1}))}async updateFraming(){const t=this[_p],e=t.adjustedFoV(t.framedFoVDeg);await t.updateFraming();const n=t.adjustedFoV(t.framedFoVDeg),i=this[Ug].getFieldOfView()/e;this[Ug].setFieldOfView(n*i),this[iv]=!0,this.requestUpdate("maxFieldOfView"),this.requestUpdate("fieldOfView"),this.requestUpdate("minCameraOrbit"),this.requestUpdate("maxCameraOrbit"),this.requestUpdate("cameraOrbit"),await this.updateComplete}interact(t,e,n){const i=this[xp],r=this[Hg];if("1"===r[0].style.opacity)return void console.warn("interact() failed because an existing interaction is running.");const s=new Array;s.push({x:gg(e.x),y:gg(e.y)});const a=[{x:s[0].x(0),y:s[0].y(0)}];null!=n&&(s.push({x:gg(n.x),y:gg(n.y)}),a.push({x:s[1].x(0),y:s[1].y(0)}));let o=performance.now();const{width:l,height:h}=this[_p],c=t=>{for(const[e,n]of a.entries()){const{style:s}=r[e];s.transform=`translateX(${l*n.x}px) translateY(${h*n.y}px)`,"pointerdown"===t?s.opacity="1":"pointerup"===t&&(s.opacity="0");const a={pointerId:e-5678,pointerType:"touch",target:i,clientX:l*n.x,clientY:h*n.y,altKey:!0};i.dispatchEvent(new PointerEvent(t,a))}},u=()=>{if(this[Ug].isUserChange){for(const t of this[Hg])t.style.opacity="0";return void c("pointercancel")}const e=Math.min(1,(performance.now()-o)/t);for(const[t,n]of a.entries())n.x=s[t].x(e),n.y=s[t].y(e);c("pointermove"),e<1?requestAnimationFrame(u):(c("pointerup"),document.removeEventListener("visibilitychange",d))},d=()=>{let t=0;"hidden"===document.visibilityState?t=performance.now()-o:o=performance.now()-t};document.addEventListener("visibilitychange",d),c("pointerdown"),requestAnimationFrame(u)}[(n=Bg,i=zg,r=Hg,s=kg,a=Qg,o=Zg,l=Kg,h=Jg,c=Yg,u=Ug,d=tv,p=ev,m=nv,f=iv,sv)](t){const e=this[_p];e.framedFoVDeg=180*t[0]/Math.PI,this[Ug].setFieldOfView(e.adjustedFoV(e.framedFoVDeg))}[rv](t){const e=this[Ug];if(this[iv]){const{theta:e,phi:n}=this.getCameraOrbit();t[0]=e,t[1]=n,this[iv]=!1}e.isUserChange=!1,e.setOrbit(t[0],t[1],t[2])}[ov](t){this[Ug].applyOptions({minimumAzimuthalAngle:t[0],minimumPolarAngle:t[1],minimumRadius:t[2]}),this.jumpCameraToGoal()}[lv](t){this[Ug].applyOptions({maximumAzimuthalAngle:t[0],maximumPolarAngle:t[1],maximumRadius:t[2]}),this[Wg](t[2]),this.jumpCameraToGoal()}[hv](t){this[Ug].applyOptions({minimumFieldOfView:180*t[0]/Math.PI}),this.jumpCameraToGoal()}[cv](t){const e=this[_p].adjustedFoV(180*t[0]/Math.PI);this[Ug].applyOptions({maximumFieldOfView:e}),this.jumpCameraToGoal()}[av](t){const[e,n,i]=t;this[Ep].arRenderer.isPresenting||this[_p].setTarget(e,n,i),this[Ug].isUserChange=!1,this[Ep].arRenderer.updateTarget()}[Mp](t,e){if(super[Mp](t,e),this[Ep].isPresenting||!this[Dp]())return;const n=this[Ug],i=this[_p],r=performance.now();if(this[Yg]){const t=this.interactionPrompt===wg?this[fp]:this[Qg];this.loaded&&r>t+this.interactionPromptThreshold&&(this[Yg]=!1,this[Kg]=r,this[Bg].classList.add("visible"))}if(isFinite(this[Kg])&&this.interactionPromptStyle===Sg){const t=(r-this[Kg])/5e3%1,e=yg(t),s=xg(t);if(this[zg].style.opacity=`${s}`,e!==this[Zg]){const t=e*i.width*.05,r=(e-this[Zg])*Math.PI/16;this[zg].style.transform=`translateX(${t}px)`,n.isUserChange=!1,n.adjustOrbit(r,0,0),this[Zg]=e}}if(n.update(t,e),i.updateTarget(e)){const t=n.isUserChange?ug:dg;this[Xg]({type:"change",source:t})}}[Vg](){this[Yg]=!1,this[Bg].classList.remove("visible"),this[Kg]=1/0}[Wg](t){const e=2*Math.max(this[_p].boundingSphere.radius,t);this[Ug].updateNearFar(0,e)}[Gg](){const{theta:t,phi:e}=this[Ug].getCameraSpherical(this[tv]),n=(4+Math.floor((t%Fg+Ng)/Ig))%4,i=Math.floor(e/Og),r=bg[n],s=_g[i];this[mp](`View from stage ${s}${r}`)}get[up](){return super[up]+(this.cameraControls?". Use mouse, touch or arrow keys to move.":"")}async[Tp](t){const e=this[Ug],n=this[_p],i=n.adjustedFoV(n.framedFoVDeg);super[Tp](t);const r=n.adjustedFoV(n.framedFoVDeg)/i,s=e.getFieldOfView()*(isFinite(r)?r:1);e.updateAspect(this[_p].aspect),this.requestUpdate("maxFieldOfView",this.maxFieldOfView),await this.updateComplete,this[Ug].setFieldOfView(s),this.jumpCameraToGoal()}[Sp](){super[Sp](),this[nv]?this[iv]=!0:this[nv]=!0,this.requestUpdate("maxFieldOfView",this.maxFieldOfView),this.requestUpdate("fieldOfView",this.fieldOfView),this.requestUpdate("minCameraOrbit",this.minCameraOrbit),this.requestUpdate("maxCameraOrbit",this.maxCameraOrbit),this.requestUpdate("cameraOrbit",this.cameraOrbit),this.requestUpdate("cameraTarget",this.cameraTarget),this.jumpCameraToGoal()}}return g=qg,v=jg,y=Xg,x=$g,vg([e({type:Boolean,attribute:"camera-controls"})],b.prototype,"cameraControls",void 0),vg([tg({intrinsics:Cg,observeEffects:!0,updateHandler:rv}),e({type:String,attribute:"camera-orbit",hasChanged:()=>!0})],b.prototype,"cameraOrbit",void 0),vg([tg({intrinsics:Dg,observeEffects:!0,updateHandler:av}),e({type:String,attribute:"camera-target",hasChanged:()=>!0})],b.prototype,"cameraTarget",void 0),vg([tg({intrinsics:Ag,observeEffects:!0,updateHandler:sv}),e({type:String,attribute:"field-of-view",hasChanged:()=>!0})],b.prototype,"fieldOfView",void 0),vg([tg({intrinsics:Lg,updateHandler:ov}),e({type:String,attribute:"min-camera-orbit",hasChanged:()=>!0})],b.prototype,"minCameraOrbit",void 0),vg([tg({intrinsics:Pg,updateHandler:lv}),e({type:String,attribute:"max-camera-orbit",hasChanged:()=>!0})],b.prototype,"maxCameraOrbit",void 0),vg([tg({intrinsics:Rg,updateHandler:hv}),e({type:String,attribute:"min-field-of-view",hasChanged:()=>!0})],b.prototype,"minFieldOfView",void 0),vg([tg({intrinsics:Ag,updateHandler:cv}),e({type:String,attribute:"max-field-of-view",hasChanged:()=>!0})],b.prototype,"maxFieldOfView",void 0),vg([e({type:Number,attribute:"interaction-prompt-threshold"})],b.prototype,"interactionPromptThreshold",void 0),vg([e({type:String,attribute:"interaction-prompt-style"})],b.prototype,"interactionPromptStyle",void 0),vg([e({type:String,attribute:"interaction-prompt"})],b.prototype,"interactionPrompt",void 0),vg([e({type:String,attribute:"interaction-policy"})],b.prototype,"interactionPolicy",void 0),vg([e({type:Number,attribute:"orbit-sensitivity"})],b.prototype,"orbitSensitivity",void 0),vg([e({type:String,attribute:"touch-action"})],b.prototype,"touchAction",void 0),vg([e({type:Boolean,attribute:"disable-zoom"})],b.prototype,"disableZoom",void 0),vg([e({type:Boolean,attribute:"enable-pan"})],b.prototype,"enablePan",void 0),vg([e({type:Number,attribute:"interpolation-decay"})],b.prototype,"interpolationDecay",void 0),vg([e({type:String,attribute:"bounds"})],b.prototype,"bounds",void 0),b})((t=>{var n,i,r,s,a,o,l,h,c,u;class d extends t{constructor(){super(...arguments),this.ar=!1,this.arScale="auto",this.arPlacement="floor",this.arModes="webxr scene-viewer",this.iosSrc=null,this.xrEnvironment=!1,this[n]=!1,this[i]=this.shadowRoot.querySelector(".ar-button"),this[r]=document.createElement("a"),this[s]=new Set,this[a]=tf,this[o]=!1,this[l]=t=>{t.preventDefault(),this.activateAR()},this[h]=({status:t})=>{t!==Zu&&this[Ep].arRenderer.presentedScene!==this[_p]||(this.setAttribute("ar-status",t),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:t}})),t===Zu?this.removeAttribute("ar-tracking"):t===Qu&&this.setAttribute("ar-tracking",nd))},this[c]=({status:t})=>{this.setAttribute("ar-tracking",t),this.dispatchEvent(new CustomEvent("ar-tracking",{detail:{status:t}}))},this[u]=t=>{"_apple_ar_quicklook_button_tapped"==t.data&&this.dispatchEvent(new CustomEvent("quick-look-button-tapped"))}}get canActivateAR(){return this[of]!==tf}connectedCallback(){super.connectedCallback(),this[Ep].arRenderer.addEventListener("status",this[df]),this.setAttribute("ar-status",Zu),this[Ep].arRenderer.addEventListener("tracking",this[pf]),this[hf].addEventListener("message",this[mf])}disconnectedCallback(){super.disconnectedCallback(),this[Ep].arRenderer.removeEventListener("status",this[df]),this[Ep].arRenderer.removeEventListener("tracking",this[pf]),this[hf].removeEventListener("message",this[mf])}async update(t){super.update(t),t.has("arScale")&&(this[_p].canScale="fixed"!==this.arScale),t.has("arPlacement")&&(this[_p].updateShadow(),this[wp]()),(t.has("ar")||t.has("arModes")||t.has("src")||t.has("iosSrc"))&&(t.has("arModes")&&(this[lf]=Ym(this.arModes)),this[ff]())}async activateAR(){switch(this[of]){case Km:this[sf]();break;case Qm:await this[nf]();break;case Zm:this[rf]();break;default:console.warn("No AR Mode can be activated. This is probably due to missing configuration or device capabilities")}}async[(n=af,i=ef,r=hf,s=lf,a=of,o=cf,l=uf,h=df,c=pf,u=mf,ff)](){if(this[of]=tf,this.ar){if(null!=this.src)for(const t of this[lf]){if("webxr"===t&&ph&&!Xm&&await this[Ep].arRenderer.supportsPresentation()){this[of]=Qm;break}if("scene-viewer"===t&&xh&&!$m){this[of]=Zm;break}if("quick-look"===t&&gh){this[of]=Km;break}}!this.canActivateAR&&null!=this.iosSrc&&gh&&(this[of]=Km)}if(this.canActivateAR)this[ef].classList.add("enabled"),this[ef].addEventListener("click",this[uf]);else if(this[ef].classList.contains("enabled")){this[ef].removeEventListener("click",this[uf]),this[ef].classList.remove("enabled");const t=ed;this.setAttribute("ar-status",t),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:t}}))}}async[nf](){console.log("Attempting to present in AR with WebXR..."),await this[gf]();try{this[ef].removeEventListener("click",this[uf]);const{arRenderer:t}=this[Ep];t.placeOnWall="wall"===this.arPlacement,await t.present(this[_p],this.xrEnvironment)}catch(t){console.warn("Error while trying to present in AR with WebXR"),console.error(t),await this[Ep].arRenderer.stopPresenting(),Xm=!0,console.warn("Falling back to next ar-mode"),await this[ff](),this.activateAR()}finally{this[ff]()}}async[gf](){this.loaded||(this[cf]=!0,this[gp](),await((t,e,n=null)=>new Promise((i=>{t.addEventListener(e,(function r(s){n&&!n(s)||(i(s),t.removeEventListener(e,r))}))})))
/* @license
 * Copyright 2020 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */(this,"load"),this[cf]=!1)}[Lp](){return super[Lp]()||this[cf]}[rf](){const t=self.location.toString(),e=new URL(t),n=new URL(this.src,t),i=new URLSearchParams(n.search);if(e.hash="#model-viewer-no-ar-fallback",i.set("mode","ar_preferred"),i.has("disable_occlusion")||i.set("disable_occlusion","true"),"fixed"===this.arScale&&i.set("resizable","false"),"wall"===this.arPlacement&&i.set("enable_vertical_placement","true"),i.has("sound")){const e=new URL(i.get("sound"),t);i.set("sound",e.toString())}if(i.has("link")){const e=new URL(i.get("link"),t);i.set("link",e.toString())}const r=`intent://arvr.google.com/scene-viewer/1.0?${i.toString()+"&file="+encodeURIComponent(n.toString())}#Intent;scheme=https;package=com.google.ar.core;action=android.intent.action.VIEW;S.browser_fallback_url=${encodeURIComponent(e.toString())};end;`;self.addEventListener("hashchange",(()=>{"#model-viewer-no-ar-fallback"===self.location.hash&&($m=!0,self.history.back(),console.warn("Error while trying to present in AR with Scene Viewer"),console.warn("Falling back to next ar-mode"),this[ff]())}),{once:!0}),this[hf].setAttribute("href",r),console.log("Attempting to present in AR with Scene Viewer..."),this[hf].click()}async[sf](){const t=!this.iosSrc;this[ef].classList.remove("enabled");const e=t?await this.prepareUSDZ():this.iosSrc,n=new URL(e,self.location.toString());"fixed"===this.arScale&&(n.hash&&(n.hash+="&"),n.hash+="allowsContentScaling=0");const i=this[hf];i.setAttribute("rel","ar");const r=document.createElement("img");i.appendChild(r),i.setAttribute("href",n.toString()),t&&i.setAttribute("download","model.usdz"),console.log("Attempting to present in AR with Quick Look..."),i.click(),i.removeChild(r),t&&URL.revokeObjectURL(e),this[ef].classList.add("enabled")}async prepareUSDZ(){const t=this[Ap].beginActivity();await this[gf]();const e=this[_p],n=e.shadow;let i=!1;null!=n&&(i=n.visible,n.visible=!1),t(.2);const r=new km,s=await r.parse(e.modelContainer),a=new Blob([s],{type:"model/vnd.usdz+zip"}),o=URL.createObjectURL(a);return t(1),null!=n&&(n.visible=i),o}}return qm([e({type:Boolean,attribute:"ar"})],d.prototype,"ar",void 0),qm([e({type:String,attribute:"ar-scale"})],d.prototype,"arScale",void 0),qm([e({type:String,attribute:"ar-placement"})],d.prototype,"arPlacement",void 0),qm([e({type:String,attribute:"ar-modes"})],d.prototype,"arModes",void 0),qm([e({type:String,attribute:"ios-src"})],d.prototype,"iosSrc",void 0),qm([e({type:Boolean,attribute:"xr-environment"})],d.prototype,"xrEnvironment",void 0),d})((t=>{var n,i,r,s,a,o,l,h,c,u,d,p,m,f;class g extends t{constructor(...t){super(...t),this.poster=null,this.reveal=dv,this.loading=mv,this.generateSchema=!1,this.seamlessPoster=!1,this[n]=!1,this[i]=!1,this[r]=0,this[s]=null,this[a]=this.shadowRoot.querySelector(".slot.poster"),this[o]=this.shadowRoot.querySelector("#default-poster"),this[l]=this.shadowRoot.querySelector("#default-progress-bar > .bar"),this[h]=this.shadowRoot.querySelector("#default-progress-bar > .mask"),this[c]=this[bv].getAttribute("aria-label"),this[u]=((t,e)=>{let n=null;const i=(...i)=>{null==n&&(t(...i),n=self.setTimeout((()=>n=null),e))};return i.flush=()=>{null!=n&&(self.clearTimeout(n),n=null)},i})((t=>{const e=this[vv].parentNode;requestAnimationFrame((()=>{this[yv].style.opacity=""+.2*(1-t),this[vv].style.transform=`scaleX(${t})`,0===t&&(e.removeChild(this[vv]),e.appendChild(this[vv])),1===t?this[vv].classList.add("hide"):this[vv].classList.remove("hide")}))}),100),this[d]=()=>{this.reveal!==pv&&this.reveal!==dv&&this.dismissPoster()},this[p]=t=>{if(this.reveal!==pv)switch(t.keyCode){case 32:case 13:this.dismissPoster()}},this[m]=t=>{const e=t.detail.totalProgress;this[Tv]=Math.max(e,this[Tv]),1===e&&(this[Sv].flush(),!this[Pp]()||null==this[_v]&&this.reveal!==dv||this[wv]()),this[Sv](e),this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:e}}))},this[f]=()=>{this[Ev]=!0;const t=this.getRootNode();t&&t.activeElement===this&&this[xp].focus();const e=this[bv];e.setAttribute("aria-hidden","true"),e.tabIndex=-1,this.dispatchEvent(new CustomEvent("poster-dismissed"))};const e=self.ModelViewerElement||{},g=e.dracoDecoderLocation||"https://www.gstatic.com/draco/versioned/decoders/1.4.1/";Jc.setDRACODecoderLocation(g);const v=e.ktx2TranscoderLocation||"https://www.gstatic.com/basis-universal/versioned/2021-04-15-ba1c3e4/";Jc.setKTX2TranscoderLocation(v),e.meshoptDecoderLocation&&Jc.setMeshoptDecoderLocation(e.meshoptDecoderLocation)}static set dracoDecoderLocation(t){Jc.setDRACODecoderLocation(t)}static get dracoDecoderLocation(){return Jc.getDRACODecoderLocation()}static set ktx2TranscoderLocation(t){Jc.setKTX2TranscoderLocation(t)}static get ktx2TranscoderLocation(){return Jc.getKTX2TranscoderLocation()}static set meshoptDecoderLocation(t){Jc.setMeshoptDecoderLocation(t)}static get meshoptDecoderLocation(){return Jc.getMeshoptDecoderLocation()}static mapURLs(t){Fd.singleton.loader[Xc].manager.setURLModifier(t)}dismissPoster(){this[Pp]()?this[wv]():(this[_v]=gv,this[gp]())}showPoster(){const t=this[xv],e=this[bv];e.removeAttribute("tabindex"),e.removeAttribute("aria-hidden"),t.classList.add("show");const n=this.modelIsVisible;this[Mv]=!1,this[cp](n),this[Ev]=!1}getDimensions(){return Ip(this[_p].size)}connectedCallback(){super.connectedCallback(),this[xv].addEventListener("click",this[Cv]),this[xv].addEventListener("keydown",this[Lv]),this[Ap].addEventListener("progress",this[Pv])}disconnectedCallback(){super.disconnectedCallback(),this[xv].removeEventListener("click",this[Cv]),this[xv].removeEventListener("keydown",this[Lv]),this[Ap].removeEventListener("progress",this[Pv])}async updated(t){super.updated(t),t.has("poster")&&null!=this.poster&&(this[bv].style.backgroundImage=`url(${this.poster})`),t.has("alt")&&this[bv].setAttribute("aria-label",this[dp]),(t.has("reveal")||t.has("loading"))&&this[gp](),t.has("generateSchema")&&(!0===this.generateSchema?this[_p].updateSchema(this.src):this[_p].updateSchema(null)),t.has("seamlessPoster")&&(!0===this.seamlessPoster?this[xv].classList.add("quick"):this[xv].classList.remove("quick"))}[(n=Mv,i=Ev,r=Tv,s=_v,a=xv,o=bv,l=vv,h=yv,c=Rv,u=Sv,d=Cv,p=Lv,m=Pv,Lp)](){return!!this.src&&(null!=this[_v]||this.loading===fv||this.reveal===dv&&this[hp])}[Pp](){const{src:t}=this;return!!t&&super[Pp]()&&1===this[Tv]}[(f=Av,wv)](){this[_v]=null;const t=this[xv];if(t.classList.contains("show")){const e=this.modelIsVisible;this[Mv]=!0,this[cp](e),requestAnimationFrame((()=>{t.classList.remove("show"),!0===this.seamlessPoster?this[Av]():t.addEventListener("transitionend",this[Av],{once:!0})}))}else this[Ev]=!0}[Cp](){return super[Cp]()&&this[Mv]}[Dp](){return super[Dp]()&&this[Ev]}async[gp](){this[Tv]=0,!0===this.generateSchema&&this[_p].updateSchema(this.src),null!=this[_p].currentGLTF&&null!=this.src&&this[Lp]()||this.showPoster(),this[mp]("Loading"),await super[gp]()}}return uv([e({type:String})],g.prototype,"poster",void 0),uv([e({type:String})],g.prototype,"reveal",void 0),uv([e({type:String})],g.prototype,"loading",void 0),uv([e({type:Boolean,attribute:"generate-schema"})],g.prototype,"generateSchema",void 0),uv([e({type:Boolean,attribute:"seamless-poster"})],g.prototype,"seamlessPoster",void 0),g})((t=>{var n;class i extends t{constructor(...t){super(t),this.autoplay=!1,this.animationName=void 0,this.animationCrossfadeDuration=300,this[n]=!0,this[_p].subscribeMixerEvent("loop",(t=>{const e=t.action._loopCount;this.dispatchEvent(new CustomEvent("loop",{detail:{count:e}}))})),this[_p].subscribeMixerEvent("finished",(()=>{this[kp]=!0,this.dispatchEvent(new CustomEvent("finished"))}))}get availableAnimations(){return this.loaded?this[_p].animationNames:[]}get duration(){return this[_p].duration}get paused(){return this[kp]}get currentTime(){return this[_p].animationTime}set currentTime(t){this[_p].animationTime=t,this[wp]()}get timeScale(){return this[_p].animationTimeScale}set timeScale(t){this[_p].animationTimeScale=t}pause(){this[kp]||(this[kp]=!0,this.dispatchEvent(new CustomEvent("pause")))}play(t){this.availableAnimations.length>0&&(this[kp]=!1,this[Up](t),this.dispatchEvent(new CustomEvent("play")))}[(n=kp,Sp)](){super[Sp](),this[kp]=!0,this.autoplay&&this.play()}[Mp](t,e){super[Mp](t,e),this[kp]||!this[Dp]()&&!this[Ep].isPresenting||(this[_p].updateAnimation(e/1e3),this[wp]())}updated(t){super.updated(t),t.has("autoplay")&&this.autoplay&&this.play(),t.has("animationName")&&this[Up]()}async[gp](){return this[_p].stopAnimation(),super[gp]()}[Up](t=Bp){var e;const n=null!==(e=t.repetitions)&&void 0!==e?e:1/0,i=t.pingpong?2202:1===n?2200:2201;this[_p].playAnimation(this.animationName,this.animationCrossfadeDuration/1e3,i,n),this[kp]&&(this[_p].updateAnimation(0),this[wp]())}}return Fp([e({type:Boolean})],i.prototype,"autoplay",void 0),Fp([e({type:String,attribute:"animation-name"})],i.prototype,"animationName",void 0),Fp([e({type:Number,attribute:"animation-crossfade-duration"})],i.prototype,"animationCrossfadeDuration",void 0),i})((t=>{var e;const n=Symbol("endPolyfillCoordination");return e=n,class extends t{constructor(){super(...arguments),this[e]=null}connectedCallback(){super.connectedCallback&&super.connectedCallback(),null==this[n]&&(this[n]=(t=>{if(null==t.shadowRoot||t.hasAttribute("data-js-focus-visible"))return()=>{};if(!self.applyFocusVisiblePolyfill){const e=()=>{self.applyFocusVisiblePolyfill(t.shadowRoot)};return self.addEventListener("focus-visible-polyfill-ready",e,{once:!0}),()=>{self.removeEventListener("focus-visible-polyfill-ready",e)}}return self.applyFocusVisiblePolyfill(t.shadowRoot),()=>{}})(this))}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),null!=this[n]&&(this[n](),this[n]=null)}}})(Np)))))))));customElements.define("model-viewer",ab);export{ab as ModelViewerElement};
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