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Add event "touchs" #5

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174 changes: 150 additions & 24 deletions src/EventHandler.js
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Original file line number Diff line number Diff line change
@@ -1,52 +1,80 @@




var EventHandler = {

mouse : vec3.create(),
oldMouse : vec3.create(),

vector : vec3.create(),

state : "up",
button : 0,

timeoutID : null,

moveNum : 0,
ScrollNum : 0,
targetTouches : {length:0},
os :function (){
var ua = navigator.userAgent,
isWindowsPhone = /(?:Windows Phone)/.test(ua),
isSymbian = /(?:SymbianOS)/.test(ua) || isWindowsPhone,
isAndroid = /(?:Android)/.test(ua),
isFireFox = /(?:Firefox)/.test(ua),
isChrome = /(?:Chrome|CriOS)/.test(ua),
isTablet = /(?:iPad|PlayBook)/.test(ua) || (isAndroid && !/(?:Mobile)/.test(ua)) || (isFireFox && /(?:Tablet)/.test(ua)),
isPhone = /(?:iPhone)/.test(ua) && !isTablet,
isPc = !isPhone && !isAndroid && !isSymbian;
return {
isTablet: isTablet,
isPhone: isPhone,
isAndroid: isAndroid,
isPc: isPc
};
}(),

init : function() {

window.addEventListener( "resize", bind( this, this.onResize ), false );

vec3.zero( this.oldMouse );
vec3.zero( this.mouse );

},

bind : function() {

canvas.addEventListener( 'mousemove', bind( this, this.onMouseMove ), false );
canvas.addEventListener( 'mousedown', bind( this, this.onMouseDown ), false );
canvas.addEventListener( 'mouseup', bind( this, this.onMouseUp ), false );

document.addEventListener( "DOMMouseScroll", bind( this, this.onScroll ), false );
document.addEventListener( "mousewheel", bind( this, this.onScroll ), false );

if (this.os.isAndroid || this.os.isPhone || this.os.isTablet) {
$("body").css({'touch-action': 'none'});
document.body.addEventListener('touchmove', (e) => {
e.preventDefault();
e.stopPropagation();
}, { passive: false });
canvas.addEventListener( 'touchmove', bind( this, this.onTouchmove ), false );
canvas.addEventListener( 'touchstart', bind( this, this.onTouchstart ), false );
canvas.addEventListener( 'touchend', bind( this, this.onTouchend ), false );
}else{
canvas.addEventListener( 'mousemove', bind( this, this.onMouseMove ), false );
canvas.addEventListener( 'mousedown', bind( this, this.onMouseDown ), false );
canvas.addEventListener( 'mouseup', bind( this, this.onMouseUp ), false );
document.addEventListener( "DOMMouseScroll", bind( this, this.onScroll ), false );
document.addEventListener( "mousewheel", bind( this, this.onScroll ), false );
}
document.addEventListener( "keydown", bind( this, this.onKeyDown ), false );
document.addEventListener( "keyup", bind( this, this.onKeyUp ), false );

canvas.addEventListener( 'contextmenu', function( event ) { event.preventDefault(); }, false );
canvas.onselectstart = function() { return false; };

},

getMouse : function( event, mouse ) {

mouse[0] = event.clientX;
mouse[1] = event.clientY;

if(event.isTrusted && !event.clientX){
mouse[0] = event.changedTouches[0].clientX;
mouse[1] = event.changedTouches[0].clientY;
}else{
mouse[0] = event.clientX;
mouse[1] = event.clientY;
}
return mouse;

},

onMouseDown : function( event ) {

event.stopPropagation();
canvas.setCapture();

Expand Down Expand Up @@ -76,7 +104,6 @@ var EventHandler = {
},

onMouseUp : function( event ) {

event.stopPropagation();
document.releaseCapture();

Expand All @@ -94,7 +121,6 @@ var EventHandler = {
},

onMouseMove : function( event ) {

event.stopPropagation();

var mouse = this.getMouse( event, this.mouse ),
Expand Down Expand Up @@ -132,6 +158,106 @@ var EventHandler = {
}

},
onTouchstart : function( event ) {
event.stopPropagation();
canvas.setCapture();
this.state = "down";
this.targetTouches=event.targetTouches;
if(this.targetTouches.length == 1){
this.button=0;
}else if(this.targetTouches.length > 1){
this.button=2;
}

if ( invertedControls ) {

this.button = ( this.button + 2 ) % 4;

}

var oldMouse = this.getMouse( event, this.oldMouse );

if ( this.button === 0 ) {

Camera.startRotate( oldMouse );

} else if ( this.button === 2 ) {

Camera.startPan( oldMouse );

}

this.onTouchmove(event);
this.timeoutID = setTimeout( bind( this, this.onClickTimeout ), 250 );
},

onTouchend : function( event ) {
event.stopPropagation();
document.releaseCapture();
this.ScrollNum=0;
if ( this.state === "down" ) {
this.onClick( event );
clearTimeout( this.timeoutID );
}else if(this.moveNum < 3 && this.state === "drag" && this.targetTouches.length == 1 ){
this.button=2;
if ( invertedControls ) {
this.button = ( this.button + 2 ) % 4;
}
if ( this.button==2 ) {
var oldMouse = this.getMouse( event, this.oldMouse );
Camera.startPan( oldMouse );
}
this.onClick( event );
clearTimeout( this.timeoutID );
}

if(this.state === "drag"){
this.moveNum=0;
}

this.targetTouches=event.targetTouches;
this.state = "up";
Camera.updateRay = true;
},

onTouchmove : function( event ) {
event.stopPropagation();
this.moveNum++;
if(event.targetTouches.length > 1){
var length = Math.pow(event.targetTouches[1].clientX-event.targetTouches[0].clientX,2)+Math.pow(event.targetTouches[1].clientY-event.targetTouches[0].clientY,2);
var width = document.body.clientWidth*0.4;
length=Math.sqrt(length);
if( (this.ScrollNum == 0 && length > width) || this.ScrollNum != 0 ){
if(this.ScrollNum == 0){
this.ScrollNum=length;
}
px=length-this.ScrollNum;
var bakevent = event;
event.wheelDelta=px/2;
this.onScroll(event);
clearTimeout( this.timeoutID );
return true;
}
}
var mouse = this.getMouse( event, this.mouse ),
len, ray;
if ( this.state === "down" ) {
len = vec3.lengthSquared( vec3.subtract( mouse, this.oldMouse, this.vector ) );
if ( len > 60 ) {
this.state = "drag";
clearTimeout( this.timeoutID );
}
}
if ( this.state === "drag" ) {
if ( this.button === 0 ) {
Camera.rotate();
} else if ( this.button === 2 ) {
Camera.pan();
}
} else {
Camera.updateRay = true;
}
},

onClick : function( ) {

Expand Down