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753 lines (701 loc) · 32.6 KB
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3D 模型取色器</title>
<link rel="icon" type="image/png" href="image/image.png">
<style>
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;overflow:hidden;background:linear-gradient(135deg,#0f2027,#203a43,#2c5364);color:#e0f7fa}
#canvas-container{width:100vw;height:100vh;position:relative}
#controls{position:fixed;top:20px;left:20px;width:320px;max-width:40vw;max-height:calc(100vh - 40px);overflow-y:auto;padding-right:10px;background:rgba(25,40,50,.75);backdrop-filter:blur(10px);padding:20px;border-radius:15px;box-shadow:0 8px 32px rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.06);z-index:100}
#controls h3{margin-bottom:15px;color:#4fc3f7;font-weight:600;border-bottom:1px solid rgba(79,195,247,.12);padding-bottom:10px}
.control-group{margin-bottom:15px}
.control-group label{display:block;margin-bottom:8px;color:#bbdefb;font-size:14px;font-weight:500}
.control-group input[type=range]{width:100%;height:6px;border-radius:3px;background:rgba(179,229,252,.08);outline:none;-webkit-appearance:none}
.control-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#29b6f6;cursor:pointer;box-shadow:0 0 8px rgba(41,182,246,.6)}
.control-group input[type=color]{width:100%;height:36px;border:1px solid rgba(255,255,255,.08);border-radius:8px;cursor:pointer;background:rgba(25,40,50,.5)}
.control-group select{width:100%;padding:8px 12px;border:1px solid rgba(255,255,255,.08);border-radius:8px;background:rgba(25,40,50,.5);color:#e0f7fa;font-size:14px}
button{background:linear-gradient(45deg,#2196f3,#21cbf3);color:#fff;border:none;padding:10px 16px;border-radius:8px;cursor:pointer;font-size:14px;margin-right:8px;margin-bottom:8px;transition:all .3s ease;font-weight:500;box-shadow:0 4px 15px rgba(33,150,243,.3)}
button:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(33,150,243,.4)}
button:active{transform:translateY(0)}
.file-label{display:inline-block;background:linear-gradient(45deg,#2196f3,#21cbf3);color:#fff;padding:10px 16px;border-radius:8px;cursor:pointer;font-size:14px;margin-bottom:10px;box-shadow:0 4px 15px rgba(33,150,243,.3)}
.file-label:hover{transform:translateY(-2px)}
#file-input{display:none}
#info{position:absolute;bottom:20px;left:20px;background:rgba(25,40,50,.85);backdrop-filter:blur(8px);padding:12px 18px;border-radius:12px;font-size:14px;color:#bbdefb;box-shadow:0 8px 32px rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.06);z-index:100;transition:opacity .6s ease,transform .4s ease;opacity:1}
#loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:none;z-index:1000}
.loader{border:4px solid rgba(179,229,252,.08);border-top:4px solid #29b6f6;border-radius:50%;width:50px;height:50px;animation:spin 1s linear infinite;margin:0 auto 20px;box-shadow:0 0 20px rgba(41,182,246,.5)}
@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}
#error-message{position:absolute;top:20px;right:20px;background:rgba(244,67,54,.9);color:#fff;padding:15px 20px;border-radius:10px;display:none;z-index:1001;animation:slideIn .3s ease;box-shadow:0 8px 24px rgba(244,67,54,.4);backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.08)}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:translateX(0)}}
.close-error{margin-left:15px;cursor:pointer;font-weight:bold;float:right;font-size:18px;line-height:1}
.close-error:hover{color:#ffebee}
.stats{position:absolute;top:20px;right:20px;background:rgba(25,40,50,.7);backdrop-filter:blur(10px);padding:15px;border-radius:10px;font-size:12px;color:#bbdefb;min-width:200px;z-index:100;border:1px solid rgba(255,255,255,.06)}
.stats div{margin-bottom:5px}.stats span{color:#4fc3f7;font-weight:500}
/* 顶部跳转按钮 */
#top-bar {
position: fixed;
top: 0;
left: 0;
right: 0;
background: rgba(25, 40, 50, 0.85);
backdrop-filter: blur(10px);
padding: 10px 20px;
border-bottom: 1px solid rgba(255, 255, 255, 0.1);
z-index: 200;
display: flex;
justify-content: flex-end;
gap: 10px;
}
#top-bar a {
color: #beeaff;
text-decoration: none;
font-size: 14px;
font-weight: 500;
padding: 8px 12px;
border-radius: 8px;
transition: background 0.3s ease;
}
#top-bar a:hover {
background: rgba(79, 195, 247, 0.1);
}
#top-bar {
position: fixed;
top: 0; left: 0; width: 100vw; height: 48px;
z-index: 9999;
display: flex;
align-items: center;
justify-content: flex-end;
background: rgba(25,40,50,0.85);
backdrop-filter: blur(10px);
border-bottom: 1px solid rgba(255,255,255,0.1);
transition: opacity 0.4s;
opacity: 0;
pointer-events: none;
}
#goto-photo-btn {
margin-right: 32px;
color: #4fc3f7;
text-decoration: none;
font-size: 16px;
font-weight: 600;
padding: 10px 22px;
border-radius: 24px;
background: linear-gradient(90deg,#2196f3,#21cbf3);
box-shadow: 0 4px 16px rgba(33,150,243,0.18);
transition: background 0.3s;
pointer-events: auto;
}
#goto-photo-btn:hover {
background: linear-gradient(90deg,#21cbf3,#2196f3);
}
.block {
margin-bottom: 20px;
background: rgba(255, 255, 255, 0.05);
border-radius: 10px;
overflow: hidden;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
.fold-header {
display: flex;
justify-content: space-between;
align-items: center;
padding: 10px 15px;
background: rgba(25, 40, 50, 0.8);
cursor: pointer;
transition: background 0.3s;
}
.fold-header:hover {
background: rgba(79, 195, 247, 0.1);
}
.fold-arrow {
display: inline-block;
width: 10px;
height: 10px;
margin-left: 8px;
transition: transform 0.3s;
}
.fold-arrow.folded {
transform: rotate(-90deg);
}
.fold-header {
cursor: pointer;
user-select: none;
display: flex;
align-items: center;
justify-content: space-between;
}
.fold-arrow {
font-size: 18px;
margin-left: 8px;
transition: transform 0.2s;
}
.fold-collapsed {
display: none;
}
.fold-header.collapsed .fold-arrow {
transform: rotate(-90deg);
}
</style>
</head>
<body>
<div id="top-bar">
<a href="index.html" id="goto-photo-btn">首页</a>
<a href="photo_looker.html" id="goto-photo-btn">图片取色器</a>
<a href="hunyuan3d.html"id="goto-photo-btn">AI创作</a>
</div>
<div id="canvas-container"></div>
<!-- ================= 控制面板 ================= -->
<div id="controls">
<h3>3D 模型取色器</h3>
<div class="control-group">
<label for="file-input" class="file-label">选择3D模型文件</label>
<input type="file" id="file-input" accept=".obj,.gltf,.glb,.fbx,.dae,.ply,.stl,.3ds">
<div style="font-size:12px;color:#888;margin-top:5px">支持格式: OBJ, GLTF, GLB, FBX, DAE, PLY, STL, 3DS</div>
</div>
<div class="control-group">
<label>预设模型:</label>
<select id="preset-models">
<option value="">选择预设模型</option>
<option value="cube">立方体</option>
<option value="sphere">球体</option>
<option value="torus">圆环</option>
<option value="cone">圆锥</option>
<option value="cylinder">圆柱</option>
<option value="dodecahedron">十二面体</option>
<option value="icosahedron">二十面体</option>
</select>
</div>
<div class="control-group">
<label>背景颜色:</label>
<input type="color" id="bg-color" value="#1a1a1a">
</div>
<div class="control-group">
<label>模型颜色:</label>
<div style="display:flex;gap:8px;align-items:center">
<input type="color" id="model-color" value="#ffffff">
<div id="selected-color-box" style="width:36px;height:36px;border-radius:6px;border:1px solid rgba(255,255,255,.08);background:#fff"></div>
</div>
</div>
<!-- ★ 实时取色 ★ -->
<div class="control-group">
<label>实时悬停颜色:</label>
<div style="display:flex;gap:8px;align-items:center">
<input type="color" id="hover-color" value="#ffffff" disabled>
<div id="hover-color-box" style="width:36px;height:36px;border-radius:6px;border:1px solid rgba(255,255,255,.08);background:#fff"></div>
<span id="color-locked-badge" style="font-size:12px;color:#ff9800;display:none">🔒 已锁定</span>
</div>
<!-- 推演按钮和结果 -->
<div style="background-color: #044f604a;border-radius: 8px;padding: 10px;margin-top: 10px;">
<button id="predict-color-btn" style="margin-top:10px;">推演颜料比例</button>
<div id="predict-result" style="margin-top:8px;font-size:14px;color:#ffd700"></div>
<p style="color: rgb(255, 0, 0);">数据为参考值,实际调配请以实验为准!!!</p>
</div>
</div>
<div class="block">
<div class="fold-header" onclick="toggleFold('params-fold')">
<h3 style="display:inline">模型参数</h3>
<span class="fold-arrow" id="params-fold-arrow">▼</span>
</div>
<div id="params-fold">
<!-- 光照强度、环境光强度、金属度、粗糙度、透明度控件 -->
<div class="control-group">
<label>光照强度: <span id="light-value">1.0</span></label>
<input type="range" id="light-intensity" min="0" max="3" step="0.1" value="1">
</div>
<div class="control-group">
<label>环境光强度: <span id="ambient-value">0.3</span></label>
<input type="range" id="ambient-intensity" min="0" max="1" step="0.1" value="0.3">
</div>
<div class="control-group">
<label>金属度: <span id="metalness-value">0.0</span></label>
<input type="range" id="metalness" min="0" max="1" step="0.1" value="0">
</div>
<div class="control-group">
<label>粗糙度: <span id="roughness-value">0.5</span></label>
<input type="range" id="roughness" min="0" max="1" step="0.1" value="0.5">
</div>
<div class="control-group">
<label>透明度: <span id="opacity-value">1.0</span></label>
<input type="range" id="opacity" min="0.1" max="1" step="0.1" value="1">
</div>
</div>
</div>
<div class="control-group">
<button id="toggle-wireframe">切换线框模式</button>
<button id="toggle-rotation">切换自动旋转</button>
<button id="reset-camera">重置视角</button>
<button id="toggle-grid">切换网格</button>
<button id="toggle-axes">切换坐标轴</button>
<button id="toggle-shadows">切换阴影</button>
</div>
<div class="control-group">
<button id="export-screenshot">导出截图</button>
<button id="reset-material">重置材质</button>
</div>
</div>
<!-- ================= 信息 / 状态 ================= -->
<div class="stats" id="stats">
<div>顶点数: <span id="vertex-count">0</span></div>
<div>面数: <span id="face-count">0</span></div>
<div>材质数: <span id="material-count">0</span></div>
<div>FPS: <span id="fps">60</span></div>
</div>
<div id="info">鼠标左键: 旋转 | 鼠标右键: 平移 | 滚轮: 缩放 | 双击: 锁定/解锁颜色</div>
<div id="loading">
<div class="loader"></div>
<div>加载中...</div>
</div>
<div id="error-message">
<span class="close-error" onclick="this.parentElement.style.display='none'">×</span>
<div id="error-text"></div>
</div>
<!-- ================= Three.js 依赖 ================= -->
<script src="scaler/js/three.js/three.min.js"></script>
<script src="scaler/js/three.js/OrbitControls.js"></script>
<script src="scaler/js/three.js/OBJLoader.js"></script>
<script src="scaler/js/three.js/GLTFLoader.js"></script>
<script src="scaler/js/three.js/FBXLoader.js"></script>
<script src="scaler/js/three.js/ColladaLoader.js"></script>
<script src="scaler/js/three.js/PLYLoader.js"></script>
<script src="scaler/js/three.js/STLLoader.js"></script>
<script src="scaler/js/three.js/TDSLoader.js"></script>
<script>
/* ================= 全局变量 ================= */
let scene, camera, renderer, controls;
let currentModel = null;
let wireframeMode = false, autoRotate = false, showShadows = false;
let gridHelper, axesHelper, directionalLight, ambientLight;
let stats = { vertices: 0, faces: 0, materials: 0 };
let lastTime = performance.now(), frames = 0;
/* ================= 初始化场景 ================= */
function init() {
scene = new THREE.Scene();
scene.background = new THREE.Color(0x0f2027);
camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.set(5, 5, 5);
renderer = new THREE.WebGLRenderer({ antialias: true, preserveDrawingBuffer: true });
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMap.enabled = showShadows;
renderer.shadowMap.type = THREE.PCFSoftShadowMap;
renderer.outputEncoding = THREE.sRGBEncoding;
renderer.toneMapping = THREE.ACESFilmicToneMapping;
renderer.toneMappingExposure = 1;
document.getElementById('canvas-container').appendChild(renderer.domElement);
controls = new THREE.OrbitControls(camera, renderer.domElement);
controls.enableDamping = true;
controls.dampingFactor = 0.05;
controls.minDistance = 1;
controls.maxDistance = 100;
setupLights();
addGridHelper();
addAxesHelper();
createDefaultModel();
setupEventListeners();
animate();
}
/* ================= 灯光 ================= */
function setupLights() {
ambientLight = new THREE.AmbientLight(0xffffff, 0.3);
scene.add(ambientLight);
directionalLight = new THREE.DirectionalLight(0xffffff, 1);
directionalLight.position.set(10, 10, 5);
directionalLight.castShadow = showShadows;
directionalLight.shadow.mapSize.set(2048, 2048);
scene.add(directionalLight);
const pointLight = new THREE.PointLight(0xffffff, 0.5, 100);
pointLight.position.set(-10, 10, -10);
scene.add(pointLight);
const hemisphereLight = new THREE.HemisphereLight(0x87ceeb, 0x1e3a5f, 0.2);
scene.add(hemisphereLight);
}
function addGridHelper() {
gridHelper = new THREE.GridHelper(20, 20, 0x444444, 0x444444);
gridHelper.position.y = -0.01;
scene.add(gridHelper);
}
function addAxesHelper() {
axesHelper = new THREE.AxesHelper(5);
scene.add(axesHelper);
}
/* ================= 默认模型 ================= */
function createDefaultModel() {
const geometry = new THREE.BoxGeometry(2, 2, 2);
const material = new THREE.MeshStandardMaterial({ color: 0xffffff, metalness: 0, roughness: 0.5 });
currentModel = new THREE.Mesh(geometry, material);
currentModel.castShadow = showShadows;
currentModel.receiveShadow = showShadows;
scene.add(currentModel);
updateStats();
}
/* ================= 统计 ================= */
function updateStats() {
if (currentModel && currentModel.geometry) {
const g = currentModel.geometry;
stats.vertices = g.attributes.position ? g.attributes.position.count : 0;
stats.faces = g.index ? g.index.count / 3 : stats.vertices / 3;
stats.materials = currentModel.material ? (Array.isArray(currentModel.material) ? currentModel.material.length : 1) : 0;
} else {
stats.vertices = stats.faces = stats.materials = 0;
}
document.getElementById('vertex-count').textContent = stats.vertices;
document.getElementById('face-count').textContent = stats.faces;
document.getElementById('material-count').textContent = stats.materials;
}
function updateFPS() {
frames++;
const now = performance.now();
if (now >= lastTime + 1000) {
document.getElementById('fps').textContent = Math.round(frames * 1000 / (now - lastTime));
frames = 0;
lastTime = now;
}
}
/* ================= 实时取色 & 锁定 ================= */
const raycaster = new THREE.Raycaster();
const mouse = new THREE.Vector2();
const hoverColorInput = document.getElementById('hover-color');
const hoverColorBox = document.getElementById('hover-color-box');
const lockedBadge = document.getElementById('color-locked-badge');
let colorLocked = false;
function setHoverColor(hex) {
if (colorLocked) return;
hoverColorInput.value = hex;
hoverColorBox.style.background = hex;
}
function sampleColor(intersect) {
const obj = intersect.object;
const uv = intersect.uv;
if (!obj.isMesh || !obj.material) return '#ffffff';
const mat = obj.material;
if (mat.map && mat.map.image && uv) {
const img = mat.map.image;
const canv = document.createElement('canvas');
canv.width = img.naturalWidth || img.videoWidth || img.width;
canv.height = img.naturalHeight || img.videoHeight || img.height;
if (canv.width && canv.height) {
const ctx = canv.getContext('2d');
ctx.drawImage(img, 0, 0);
const x = Math.floor(uv.x * canv.width);
const y = Math.floor((1 - uv.y) * canv.height);
const dat = ctx.getImageData(x, y, 1, 1).data;
return `#${((1 << 24) + (dat[0] << 16) + (dat[1] << 8) + dat[2]).toString(16).slice(1)}`;
}
}
return mat.color ? `#${mat.color.getHexString()}` : '#ffffff';
}
/* ================= 事件监听 ================= */
function setupEventListeners() {
document.getElementById('file-input').addEventListener('change', e => {
const file = e.target.files[0];
if (file) loadModel(file);
});
document.getElementById('preset-models').addEventListener('change', e => {
if (e.target.value) { createPresetModel(e.target.value); e.target.value = ''; }
});
document.getElementById('bg-color').addEventListener('input', e => {
scene.background = new THREE.Color(e.target.value);
});
document.getElementById('model-color').addEventListener('input', e => {
updateModelMaterial({ color: new THREE.Color(e.target.value) });
document.getElementById('selected-color-box').style.background = e.target.value;
});
document.getElementById('light-intensity').addEventListener('input', e => {
directionalLight.intensity = parseFloat(e.target.value);
document.getElementById('light-value').textContent = e.target.value;
});
document.getElementById('ambient-intensity').addEventListener('input', e => {
ambientLight.intensity = parseFloat(e.target.value);
document.getElementById('ambient-value').textContent = e.target.value;
});
document.getElementById('metalness').addEventListener('input', e => {
updateModelMaterial({ metalness: parseFloat(e.target.value) });
document.getElementById('metalness-value').textContent = e.target.value;
});
document.getElementById('roughness').addEventListener('input', e => {
updateModelMaterial({ roughness: parseFloat(e.target.value) });
document.getElementById('roughness-value').textContent = e.target.value;
});
document.getElementById('opacity').addEventListener('input', e => {
const v = parseFloat(e.target.value);
updateModelMaterial({ transparent: v < 1, opacity: v });
document.getElementById('opacity-value').textContent = e.target.value;
});
document.getElementById('toggle-wireframe').addEventListener('click', () => {
wireframeMode = !wireframeMode;
updateModelMaterial({ wireframe: wireframeMode });
});
document.getElementById('toggle-rotation').addEventListener('click', () => {
autoRotate = !autoRotate;
controls.autoRotate = autoRotate;
});
document.getElementById('reset-camera').addEventListener('click', () => {
camera.position.set(5, 5, 5);
camera.lookAt(0, 0, 0);
controls.target.set(0, 0, 0);
controls.update();
});
document.getElementById('toggle-grid').addEventListener('click', () => {
if (gridHelper) gridHelper.visible = !gridHelper.visible;
});
document.getElementById('toggle-axes').addEventListener('click', () => {
if (axesHelper) axesHelper.visible = !axesHelper.visible;
});
document.getElementById('toggle-shadows').addEventListener('click', () => {
showShadows = !showShadows;
renderer.shadowMap.enabled = showShadows;
directionalLight.castShadow = showShadows;
if (currentModel) currentModel.traverse(child => {
if (child.isMesh) { child.castShadow = showShadows; child.receiveShadow = showShadows; }
});
});
document.getElementById('export-screenshot').addEventListener('click', () => {
renderer.render(scene, camera);
const link = document.createElement('a');
link.download = '3D模型截图_' + Date.now() + '.png';
link.href = renderer.domElement.toDataURL('image/png');
link.click();
});
document.getElementById('reset-material').addEventListener('click', () => {
updateModelMaterial({ color: new THREE.Color(0xffffff), metalness: 0, roughness: 0.5, opacity: 1, transparent: false, wireframe: false });
document.getElementById('model-color').value = '#ffffff';
document.getElementById('selected-color-box').style.background = '#ffffff';
document.getElementById('metalness').value = 0;
document.getElementById('roughness').value = 0.5;
document.getElementById('opacity').value = 1;
document.getElementById('metalness-value').textContent = '0.0';
document.getElementById('roughness-value').textContent = '0.5';
document.getElementById('opacity-value').textContent = '1.0';
});
document.getElementById('predict-color-btn').onclick = async function() {
// 获取锁定颜色(优先锁定,否则用当前悬停)
let hex = colorLocked ? hoverColorInput.value : hoverColorInput.value;
if (!hex) {
showError('请先锁定颜色');
return;
}
// 转换为 RGB
hex = hex.replace('#','');
const r = parseInt(hex.substring(0,2),16);
const g = parseInt(hex.substring(2,4),16);
const b = parseInt(hex.substring(4,6),16);
// 调用推演接口(假设后端已部署 /predict,返回如 index.html 示例)
try {
const res = await fetch('/predict', {
method: 'POST',
headers: {'Content-Type':'application/json'},
body: JSON.stringify({R: r, G: g, B: b})
});
const data = await res.json();
// 格式化结果
let txt = '';
for (const [k,v] of Object.entries(data)) {
txt += `${k}: ${(v).toFixed(1)}%<br>`;
}
document.getElementById('predict-result').innerHTML = txt;
} catch (e) {
showError('推演失败: ' + e.message);
}
};
window.addEventListener('resize', () => {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
});
/* 鼠标移动实时取色 */
renderer.domElement.addEventListener('mousemove', e => {
if (!currentModel || colorLocked) return;
const rect = renderer.domElement.getBoundingClientRect();
mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;
mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;
raycaster.setFromCamera(mouse, camera);
const hits = raycaster.intersectObject(currentModel, true);
if (hits.length) setHoverColor(sampleColor(hits[0]));
});
/* 双击锁定/解锁 */
renderer.domElement.addEventListener('dblclick', e => {
if (!currentModel) return;
const rect = renderer.domElement.getBoundingClientRect();
mouse.x = ((e.clientX - rect.left) / rect.width) * 2 - 1;
mouse.y = -((e.clientY - rect.top) / rect.height) * 2 + 1;
raycaster.setFromCamera(mouse, camera);
const hits = raycaster.intersectObject(currentModel, true);
if (hits.length) {
if (!colorLocked) {
setHoverColor(sampleColor(hits[0]));
colorLocked = true;
lockedBadge.style.display = 'inline';
} else {
colorLocked = false;
lockedBadge.style.display = 'none';
}
}
});
}
/* ================= 材质统一更新(防空) ================= */
function updateModelMaterial(props) {
if (!currentModel) return;
currentModel.traverse(child => {
if (child.isMesh && child.material) {
const mats = Array.isArray(child.material) ? child.material : [child.material];
mats.forEach(mat => { if (mat) Object.assign(mat, props); });
}
});
}
/* ================= 模型加载 ================= */
function loadModel(file) {
showLoading(true);
const reader = new FileReader();
const fileName = file.name.toLowerCase();
reader.onload = e => {
try {
let loader;
if (fileName.endsWith('.obj')) {
loader = new THREE.OBJLoader();
processLoadedObject(loader.parse(e.target.result));
} else if (fileName.endsWith('.gltf') || fileName.endsWith('.glb')) {
loader = new THREE.GLTFLoader();
loader.parse(e.target.result, '', gltf => processLoadedObject(gltf.scene));
} else if (fileName.endsWith('.fbx')) {
loader = new THREE.FBXLoader();
processLoadedObject(loader.parse(e.target.result, ''));
} else if (fileName.endsWith('.dae')) {
loader = new THREE.ColladaLoader();
processLoadedObject(loader.parse(e.target.result).scene);
} else if (fileName.endsWith('.ply')) {
loader = new THREE.PLYLoader();
const geom = loader.parse(e.target.result);
processLoadedObject(new THREE.Mesh(geom, new THREE.MeshStandardMaterial({ vertexColors: true })));
} else if (fileName.endsWith('.stl')) {
loader = new THREE.STLLoader();
const geom = loader.parse(e.target.result);
processLoadedObject(new THREE.Mesh(geom, new THREE.MeshStandardMaterial({ color: 0x4fc3f7 })));
} else if (fileName.endsWith('.3ds')) {
loader = new THREE.TDSLoader();
processLoadedObject(loader.parse(e.target.result));
} else throw new Error('不支持的文件格式');
} catch (err) {
showError('模型加载失败: ' + err.message);
showLoading(false);
}
};
fileName.endsWith('.glb') ? reader.readAsArrayBuffer(file) : reader.readAsText(file);
}
function processLoadedObject(object) {
if (currentModel) scene.remove(currentModel);
currentModel = object;
centerModel(object);
object.traverse(child => {
if (child.isMesh) {
if (!child.material) child.material = new THREE.MeshStandardMaterial({ color: 0xffffff });
child.castShadow = showShadows;
child.receiveShadow = showShadows;
}
});
scene.add(object);
showLoading(false);
updateStats();
showError('模型加载成功!');
setTimeout(() => document.getElementById('error-message').style.display = 'none', 2000);
}
function centerModel(object) {
const box = new THREE.Box3().setFromObject(object);
const center = box.getCenter(new THREE.Vector3());
const size = box.getSize(new THREE.Vector3());
object.position.sub(center);
const maxDim = Math.max(size.x, size.y, size.z);
const fov = camera.fov * Math.PI / 180;
let cameraZ = Math.abs(maxDim / 2 / Math.tan(fov / 2)) * 1.5;
camera.position.set(cameraZ, cameraZ, cameraZ);
camera.lookAt(0, 0, 0);
controls.target.set(0, 0, 0);
controls.update();
}
/* ================= 预设模型 ================= */
function createPresetModel(type) {
let geometry;
switch (type) {
case 'cube': geometry = new THREE.BoxGeometry(2, 2, 2); break;
case 'sphere': geometry = new THREE.SphereGeometry(1.5, 32, 32); break;
case 'torus': geometry = new THREE.TorusGeometry(1.5, 0.5, 16, 100); break;
case 'cone': geometry = new THREE.ConeGeometry(1.5, 3, 32); break;
case 'cylinder': geometry = new THREE.CylinderGeometry(1.5, 1.5, 3, 32); break;
case 'dodecahedron': geometry = new THREE.DodecahedronGeometry(1.5); break;
case 'icosahedron': geometry = new THREE.IcosahedronGeometry(1.5); break;
default: return;
}
const material = new THREE.MeshStandardMaterial({
color: 0x4fc3f7,
metalness: parseFloat(document.getElementById('metalness').value),
roughness: parseFloat(document.getElementById('roughness').value),
transparent: parseFloat(document.getElementById('opacity').value) < 1,
opacity: parseFloat(document.getElementById('opacity').value)
});
const mesh = new THREE.Mesh(geometry, material);
mesh.castShadow = showShadows;
mesh.receiveShadow = showShadows;
if (currentModel) scene.remove(currentModel);
currentModel = mesh;
scene.add(mesh);
updateStats();
}
/* ================= UI 辅助 ================= */
function showLoading(show) {
document.getElementById('loading').style.display = show ? 'block' : 'none';
}
function showError(msg) {
const box = document.getElementById('error-message');
const txt = document.getElementById('error-text');
txt.textContent = msg;
box.style.display = 'block';
if (!msg.includes('成功')) setTimeout(() => box.style.display = 'none', 5000);
}
/* ================= 动画循环 ================= */
function animate() {
requestAnimationFrame(animate);
controls.update();
updateFPS();
renderer.render(scene, camera);
}
/* ================= 启动 ================= */
init();
// 顶部栏显示/隐藏逻辑
const topBar = document.getElementById('top-bar');
let topBarTimer = null;
document.body.addEventListener('mousemove', function(e) {
if (e.clientY < 48) {
topBar.style.opacity = '1';
topBar.style.pointerEvents = 'auto';
clearTimeout(topBarTimer);
topBarTimer = setTimeout(() => {
topBar.style.opacity = '0';
topBar.style.pointerEvents = 'none';
}, 1800);
}
});
/*折叠面板脚本*/
function toggleFold(id) {
const foldContent = document.getElementById(id);
const arrow = document.getElementById(id + '-arrow');
if (!foldContent || !arrow) return;
if (foldContent.classList.contains('fold-collapsed')) {
foldContent.classList.remove('fold-collapsed');
arrow.textContent = '▼';
} else {
foldContent.classList.add('fold-collapsed');
arrow.textContent = '▶';
}
}
// 初始化折叠(只对存在的区块)
['params-fold', 'palette-fold', 'wcag-fold'].forEach(id => {
const fold = document.getElementById(id);
const arrow = document.getElementById(id + '-arrow');
if (fold && arrow) {
fold.classList.add('fold-collapsed');
arrow.textContent = '▶';
}
});
</script>
</body>
</html>