ArcLake/simulator.html at main · DART-Edge-AI/ArcLake · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>3JS Particle Simulator</title>
    <style>
        body { margin: 0; overflow: hidden; }
        canvas { display: block; }
        .controls {
            position: absolute;
            top: 10px;
            left: 10px;
            z-index: 100;
            background: rgba(0, 0, 0, 0.5);
            padding: 10px;
            border-radius: 8px;
            color: white;
        }
        .controls button, .controls select, .controls input {
            display: block;
            margin-bottom: 10px;
            background: #333;
            color: white;
            border: none;
            padding: 5px;
            border-radius: 5px;
        }
        .controls label {
            margin-bottom: 5px;
        }
        .brush {
            position: absolute;
            border: 2px solid red;
            border-radius: 50%;
            pointer-events: none;
            z-index: 1000;
        }
        .hidden {
            display: none;
        }
    </style>
    <script src="https://cdn.jsdelivr.net/npm/three@0.128.0/build/three.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/three@0.128.0/examples/js/controls/OrbitControls.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/three@0.128.0/examples/js/exporters/GLTFExporter.js"></script>
</head>
<body>
    <div class="controls">
        <label for="particleCount">Particle Count:</label>
        <input type="number" id="particleCount" min="5000" max="5000000" value="5000">
        <label for="brushSize">Brush Size:</label>
        <input type="range" id="brushSize" min="1" max="100" value="10">
        <label for="gravityStrength">Gravity Strength:</label>
        <input type="range" id="gravityStrength" min="0" max="10" value="1">
        <label for="particleColor">Particle Color:</label>
        <input type="color" id="particleColor" value="#ffffff">
        <button onclick="toggleBrush()">Toggle Brush</button>
        <button onclick="clearParticles()">Clear Particles</button>
        <button onclick="exportSimulation()">Export Simulation</button>
    </div>
    <div class="brush hidden" id="brush"></div>
    <script>
        let scene, camera, renderer, particles = [], gravityPoints = [];
        let brushSize = 10, gravityStrength = 1, particleCount = 5000;
        let brushColor = 0xffffff;
        const brush = document.getElementById('brush');
        let isBrushActive = false;
        let brushSphere;

        init();
        animate();

        function init() {
            // Scene setup
            scene = new THREE.Scene();
            camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
            camera.position.z = 5;

            renderer = new THREE.WebGLRenderer();
            renderer.setSize(window.innerWidth, window.innerHeight);
            document.body.appendChild(renderer.domElement);

            const controls = new THREE.OrbitControls(camera, renderer.domElement);

            window.addEventListener('resize', onWindowResize, false);
            document.getElementById('brushSize').addEventListener('input', updateBrushSize);
            document.getElementById('gravityStrength').addEventListener('input', updateGravityStrength);
            document.getElementById('particleCount').addEventListener('input', updateParticleCount);
            document.getElementById('particleColor').addEventListener('input', updateParticleColor);

            // Add gravity points
            addGravityPoint(new THREE.Vector3(-2, 0, 0));
            addGravityPoint(new THREE.Vector3(2, 0, 0));

            // Brush sphere
            const brushGeometry = new THREE.SphereGeometry(1, 32, 32);
            const brushMaterial = new THREE.MeshBasicMaterial({ color: 0xff0000, wireframe: true });
            brushSphere = new THREE.Mesh(brushGeometry, brushMaterial);
            brushSphere.visible = false;
            scene.add(brushSphere);

            // Add event listeners for painting particles
            document.addEventListener('mousedown', onMouseDown, false);
            document.addEventListener('mousemove', onMouseMove, false);
            document.addEventListener('mouseup', onMouseUp, false);
        }

        function animate() {
            requestAnimationFrame(animate);

            particles.forEach(p => {
                gravityPoints.forEach(g => {
                    const distance = g.position.distanceTo(p.position);
                    const force = g.position.clone().sub(p.position).normalize().multiplyScalar(gravityStrength / distance);
                    p.velocity.add(force);
                });

                p.position.add(p.velocity);
                p.rotation.x += 0.01;
                p.rotation.y += 0.01;
            });

            renderer.render(scene, camera);
        }

        function onWindowResize() {
            camera.aspect = window.innerWidth / window.innerHeight;
            camera.updateProjectionMatrix();
            renderer.setSize(window.innerWidth, window.innerHeight);
        }

        function clearParticles() {
            particles.forEach(p => scene.remove(p));
            particles = [];
        }

        function exportSimulation() {
            const exporter = new THREE.GLTFExporter();
            exporter.parse(scene, function(result) {
                const output = JSON.stringify(result, null, 2);
                const blob = new Blob([output], {type: 'application/json'});
                const link = document.createElement('a');
                link.href = URL.createObjectURL(blob);
                link.download = 'simulation.json';
                link.click();
            });
        }

        function updateBrushSize(event) {
            brushSize = event.target.value;
            brush.style.width = brush.style.height = `${brushSize * 2}px`;
            brushSphere.scale.set(brushSize / 10, brushSize / 10, brushSize / 10);  // Update brush sphere scale
        }

        function updateGravityStrength(event) {
            gravityStrength = event.target.value;
        }

        function updateParticleCount(event) {
            particleCount = event.target.value;
        }

        function updateParticleColor(event) {
            brushColor = parseInt(event.target.value.replace('#', ''), 16);
        }

        function addGravityPoint(position) {
            const geometry = new THREE.SphereGeometry(0.2, 32, 32);
            const material = new THREE.MeshBasicMaterial({ color: 0xff0000 });
            const gravityPoint = new THREE.Mesh(geometry, material);
            gravityPoint.position.copy(position);
            scene.add(gravityPoint);
            gravityPoints.push(gravityPoint);
        }

        function onMouseDown(event) {
            if (isBrushActive) {
                paintParticles(event);
            }
        }

        function onMouseMove(event) {
            if (isBrushActive) {
                const rect = renderer.domElement.getBoundingClientRect();
                const mouse = new THREE.Vector2(
                    ((event.clientX - rect.left) / rect.width) * 2 - 1,
                    -((event.clientY - rect.top) / rect.height) * 2 + 1
                );

                const raycaster = new THREE.Raycaster();
                raycaster.setFromCamera(mouse, camera);

                const intersects = raycaster.intersectObjects([scene]);
                const point = intersects.length > 0 ? intersects[0].point : new THREE.Vector3(mouse.x, mouse.y, 0);

                brushSphere.position.copy(point);

                const screenPosition = point.clone().project(camera);
                const screenX = (screenPosition.x + 1) / 2 * window.innerWidth;
                const screenY = -(screenPosition.y - 1) / 2 * window.innerHeight;

                brush.style.left = `${screenX - brushSize}px`;
                brush.style.top = `${screenY - brushSize}px`;

                if (event.buttons > 0) {
                    paintParticles(event);
                }
            }
        }

        function onMouseUp(event) {
            // Stop painting when mouse is released
        }

        function paintParticles(event) {
            const geometry = new THREE.SphereGeometry(0.1, 32, 32);
            const material = new THREE.MeshBasicMaterial({ color: brushColor });

            for (let i = 0; i < particleCount; i++) {
                const particle = new THREE.Mesh(geometry, material);
                const distance = Math.random() * brushSize / 10;
                const angle = Math.random() * Math.PI * 2;
                particle.position.set(
                    brushSphere.position.x + distance * Math.cos(angle),
                    brushSphere.position.y + distance * Math.sin(angle),
                    brushSphere.position.z + (Math.random() - 0.5) * distance
                );
                particle.velocity = new THREE.Vector3();
                scene.add(particle);
                particles.push(particle);
            }
        }

        function toggleBrush() {
            isBrushActive = !isBrushActive;
            brush.classList.toggle('hidden', !isBrushActive);
            brushSphere.visible = isBrushActive;
            const button = document.querySelector('button[onclick="toggleBrush()"]');
            button.style.backgroundColor = isBrushActive ? '#0a0' : '#333';
            }
            </script> </body> </html>