399 lines
15 KiB
HTML
399 lines
15 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>29 - Vertex Visualization</title>
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<style>
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body {
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overflow: hidden;
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background: #050505;
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font-family: 'Segoe UI', Arial, sans-serif;
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}
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#canvas-container {
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position: fixed;
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top: 0; left: 0;
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width: 100%; height: 100%;
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}
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#ui {
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position: fixed;
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top: 0; left: 0;
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width: 100%; height: 100%;
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pointer-events: none;
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z-index: 10;
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}
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#title {
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position: absolute;
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top: 25px; left: 30px;
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color: #fff;
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font-size: 18px;
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letter-spacing: 2px;
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}
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#controls {
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position: absolute;
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bottom: 30px; left: 30px;
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pointer-events: auto;
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background: rgba(0,0,0,0.85);
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padding: 20px;
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border-radius: 12px;
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border: 1px solid rgba(0,212,255,0.2);
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}
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#controls button {
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background: rgba(255,255,255,0.08);
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border: 1px solid rgba(255,255,255,0.15);
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color: #fff;
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padding: 10px 18px;
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margin: 5px;
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border-radius: 6px;
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cursor: pointer;
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transition: all 0.3s;
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font-size: 12px;
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display: block;
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width: 160px;
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text-align: left;
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}
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#controls button:hover {
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background: rgba(0,212,255,0.2);
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border-color: #00d4ff;
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}
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#controls button.active {
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background: rgba(0,212,255,0.4);
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border-color: #00d4ff;
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}
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#stats {
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position: absolute;
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top: 80px; right: 30px;
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color: #aaa;
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font-size: 12px;
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text-align: right;
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background: rgba(0,0,0,0.7);
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padding: 15px 20px;
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border-radius: 8px;
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border: 1px solid rgba(255,255,255,0.1);
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}
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#stats .value {
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color: #00d4ff;
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font-size: 18px;
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font-weight: bold;
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}
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#stats .label {
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color: #666;
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margin-bottom: 5px;
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}
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#info {
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position: absolute;
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bottom: 30px; right: 30px;
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color: #666;
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font-size: 11px;
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text-align: right;
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}
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#loading {
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position: fixed;
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top: 50%; left: 50%;
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transform: translate(-50%, -50%);
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color: #00d4ff;
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font-size: 20px;
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z-index: 100;
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}
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</style>
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</head>
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<body>
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<div id="loading">加载顶点数据...</div>
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<div id="canvas-container"></div>
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<div id="ui">
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<div id="title">29 - Vertex Visualization</div>
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<div id="controls">
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<div style="color: #00d4ff; margin-bottom: 10px; font-size: 13px;">📊 可视化模式</div>
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<button onclick="setMode('mesh')" class="active" id="btn-mesh">🔷 网格表面</button>
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<button onclick="setMode('points')" id="btn-points">⚪ 顶点云</button>
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<button onclick="setMode('wireframe')" id="btn-wireframe">📐 线框结构</button>
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<button onclick="setMode('heatmap')" id="btn-heatmap">🌡️ 高度热力图</button>
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<button onclick="setMode('normal')" id="btn-normal">➡️ 法线方向</button>
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<button onclick="setMode('explode')" id="btn-explode">💥 顶点爆炸</button>
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</div>
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<div id="stats">
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<div style="margin-bottom: 15px;">
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<div class="label">顶点总数</div>
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<div class="value" id="vertex-count">-</div>
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</div>
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<div style="margin-bottom: 15px;">
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<div class="label">三角面数</div>
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<div class="value" id="face-count">-</div>
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</div>
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<div>
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<div class="label">当前模式</div>
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<div class="value" id="current-mode" style="font-size: 14px;">网格表面</div>
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</div>
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</div>
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<div id="info">
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基于 Stanford Bunny 数据集<br>
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1,889 顶点 | 3,851 三角面 (低质量)
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</div>
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</div>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/three@0.128.0/examples/js/controls/OrbitControls.js"></script>
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<script src="https://cdn.jsdelivr.net/npm/three@0.128.0/examples/js/loaders/PLYLoader.js"></script>
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<script>
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// ========== 场景设置 ==========
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const scene = new THREE.Scene();
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scene.background = new THREE.Color(0x050505);
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scene.fog = new THREE.Fog(0x050505, 0.5, 5);
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const camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.01, 100);
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camera.position.set(0.4, 0.3, 0.6);
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const renderer = new THREE.WebGLRenderer({ antialias: true });
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renderer.setSize(window.innerWidth, window.innerHeight);
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renderer.setPixelRatio(window.devicePixelRatio);
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document.getElementById('canvas-container').appendChild(renderer.domElement);
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// 控制器
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const controls = new THREE.OrbitControls(camera, renderer.domElement);
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controls.enableDamping = true;
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controls.dampingFactor = 0.05;
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controls.autoRotate = true;
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controls.autoRotateSpeed = 0.3;
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controls.target.set(0, 0.05, 0);
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// 灯光
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const ambientLight = new THREE.AmbientLight(0x404040, 0.5);
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scene.add(ambientLight);
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const directionalLight = new THREE.DirectionalLight(0xffffff, 0.8);
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directionalLight.position.set(1, 2, 1);
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scene.add(directionalLight);
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// ========== 顶点数据存储 ==========
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let originalGeometry = null;
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let currentMesh = null;
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let currentMode = 'mesh';
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let animationId = null;
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let time = 0;
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// ========== 模式配置 ==========
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const modes = {
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mesh: {
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name: '网格表面',
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create: (geometry) => {
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const material = new THREE.MeshStandardMaterial({
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color: 0xdddddd,
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metalness: 0.1,
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roughness: 0.5,
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flatShading: false
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});
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return new THREE.Mesh(geometry, material);
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}
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},
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points: {
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name: '顶点云',
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create: (geometry) => {
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const material = new THREE.PointsMaterial({
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color: 0x00d4ff,
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size: 0.008,
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transparent: true,
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opacity: 0.8,
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sizeAttenuation: true
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});
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return new THREE.Points(geometry, material);
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}
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},
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wireframe: {
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name: '线框结构',
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create: (geometry) => {
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const material = new THREE.MeshBasicMaterial({
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color: 0x00ff88,
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wireframe: true,
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transparent: true,
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opacity: 0.6
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});
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return new THREE.Mesh(geometry, material);
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}
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},
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heatmap: {
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name: '高度热力图',
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create: (geometry) => {
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// 根据高度着色
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const colors = [];
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const positions = geometry.attributes.position.array;
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let minY = Infinity, maxY = -Infinity;
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for (let i = 1; i < positions.length; i += 3) {
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minY = Math.min(minY, positions[i]);
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maxY = Math.max(maxY, positions[i]);
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}
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for (let i = 1; i < positions.length; i += 3) {
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const y = positions[i];
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const t = (y - minY) / (maxY - minY);
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// 热力图颜色:蓝->绿->黄->红
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const color = new THREE.Color();
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color.setHSL(0.7 - t * 0.7, 1, 0.5);
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colors.push(color.r, color.g, color.b);
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}
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geometry.setAttribute('color', new THREE.Float32BufferAttribute(colors, 3));
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const material = new THREE.MeshStandardMaterial({
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vertexColors: true,
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roughness: 0.5,
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metalness: 0.1
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});
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return new THREE.Mesh(geometry, material);
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}
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},
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normal: {
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name: '法线方向',
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create: (geometry) => {
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// 根据法线方向着色
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const colors = [];
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const normals = geometry.attributes.normal.array;
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for (let i = 0; i < normals.length; i += 3) {
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const nx = normals[i];
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const ny = normals[i + 1];
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const nz = normals[i + 2];
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// 将法线 [-1,1] 映射到颜色 [0,1]
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colors.push((nx + 1) * 0.5, (ny + 1) * 0.5, (nz + 1) * 0.5);
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}
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geometry.setAttribute('color', new THREE.Float32BufferAttribute(colors, 3));
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const material = new THREE.MeshStandardMaterial({
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vertexColors: true,
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roughness: 0.3,
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metalness: 0.2
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});
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return new THREE.Mesh(geometry, material);
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}
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},
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explode: {
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name: '顶点爆炸',
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create: (geometry) => {
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// 复制几何体用于动画
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const material = new THREE.PointsMaterial({
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color: 0xffd700,
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size: 0.01,
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transparent: true,
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opacity: 0.9
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});
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return new THREE.Points(geometry, material);
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},
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animate: (mesh, time) => {
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if (!mesh || !originalGeometry) return;
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const positions = mesh.geometry.attributes.position.array;
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const origPositions = originalGeometry.attributes.position.array;
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const normals = originalGeometry.attributes.normal.array;
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const explodeFactor = (Math.sin(time * 2) + 1) * 0.15; // 0 到 0.3
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for (let i = 0; i < positions.length; i += 3) {
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const nx = normals[i];
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const ny = normals[i + 1];
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const nz = normals[i + 2];
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positions[i] = origPositions[i] + nx * explodeFactor;
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positions[i + 1] = origPositions[i + 1] + ny * explodeFactor;
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positions[i + 2] = origPositions[i + 2] + nz * explodeFactor;
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}
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mesh.geometry.attributes.position.needsUpdate = true;
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}
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}
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};
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// ========== 切换模式 ==========
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function setMode(mode) {
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currentMode = mode;
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// 更新按钮
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document.querySelectorAll('#controls button').forEach(btn => {
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btn.classList.remove('active');
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});
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document.getElementById(`btn-${mode}`).classList.add('active');
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document.getElementById('current-mode').textContent = modes[mode].name;
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// 移除旧模型
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if (currentMesh) {
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scene.remove(currentMesh);
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if (currentMesh.geometry !== originalGeometry) {
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currentMesh.geometry.dispose();
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}
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currentMesh.material.dispose();
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}
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// 创建新几何体(复制原始数据)
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const newGeometry = originalGeometry.clone();
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newGeometry.computeVertexNormals();
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// 创建新模型
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currentMesh = modes[mode].create(newGeometry);
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currentMesh.scale.set(10, 10, 10);
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currentMesh.position.set(0, -0.05, 0);
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scene.add(currentMesh);
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}
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// ========== 加载模型 ==========
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const loader = new THREE.PLYLoader();
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loader.load(
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'../stanford_models/reconstruction/bun_zipper_res3.ply',
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function(geometry) {
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geometry.computeVertexNormals();
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originalGeometry = geometry.clone();
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// 更新统计
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document.getElementById('vertex-count').textContent =
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geometry.attributes.position.count.toLocaleString();
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document.getElementById('face-count').textContent =
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geometry.index ? (geometry.index.count / 3).toLocaleString() : 'N/A';
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document.getElementById('loading').style.display = 'none';
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// 初始模式
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setMode('mesh');
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},
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undefined,
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function(error) {
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console.error('加载失败:', error);
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document.getElementById('loading').textContent = '加载失败';
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}
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);
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// ========== 网格地面 ==========
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const gridHelper = new THREE.GridHelper(2, 20, 0x222222, 0x111111);
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gridHelper.position.y = -0.1;
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scene.add(gridHelper);
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// ========== 窗口调整 ==========
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window.addEventListener('resize', () => {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize(window.innerWidth, window.innerHeight);
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});
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// ========== 动画 ==========
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function animate() {
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animationId = requestAnimationFrame(animate);
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time += 0.01;
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controls.update();
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// 特殊模式动画
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if (modes[currentMode].animate) {
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modes[currentMode].animate(currentMesh, time);
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}
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renderer.render(scene, camera);
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}
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animate();
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</script>
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</body>
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</html>
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