Files
Ubuntu 32b43f85bd a
2026-07-03 16:58:28 +08:00

399 lines
15 KiB
HTML

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