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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, maximum-scale=1.0, user-scalable=no">
<title>灵动粒子 By Haemorr</title>
<link rel="icon" href='data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32"><circle cx="12" cy="16" r="7" fill="%236c5ce7"/><circle cx="24" cy="10" r="4" fill="%2300f3ff"/><circle cx="22" cy="24" r="3" fill="%23ff7675"/></svg>'>
<style>
:root {
--glass-bg: rgba(255, 255, 255, 0.75);
--glass-border: rgba(255, 255, 255, 0.8);
--text-main: #2d3436;
--text-sub: #636e72;
--primary: #6c5ce7;
--sidebar-width: 280px;
--sidebar-collapsed-width: 72px;
--shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
--item-hover: rgba(0,0,0,0.06);
--divider-color: rgba(0,0,0,0.08);
--active-text: #ffffff;
}
body.dark-mode {
--glass-bg: rgba(30, 30, 30, 0.6);
--glass-border: rgba(255, 255, 255, 0.1);
--text-main: #f1f2f6;
--text-sub: #a4b0be;
--primary: #00f3ff;
--shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6);
--item-hover: rgba(255,255,255,0.1);
--divider-color: rgba(255,255,255,0.15);
--active-text: #000000;
}
body {
margin: 0; overflow: hidden;
font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
color: var(--text-main);
transition: color 0.5s ease;
touch-action: none;
}
.bg-layer {
position: absolute; top: 0; left: 0; width: 100%; height: 100%;
z-index: 0; transition: opacity 0.8s ease-in-out;
}
#bg-light { background: linear-gradient(135deg, #fdfbfb 0%, #ebedee 100%); opacity: 1; }
#bg-dark { background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 50%, #1a1a1a 100%); opacity: 0; }
body.dark-mode #bg-light { opacity: 0; }
body.dark-mode #bg-dark { opacity: 1; }
#canvas-container { position: absolute; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 1; }
#sidebar {
position: fixed; top: 20px; bottom: 20px; left: 20px;
width: var(--sidebar-width);
background: var(--glass-bg);
backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
border: 1px solid var(--glass-border);
border-radius: 24px;
z-index: 100;
box-shadow: var(--shadow);
display: flex; flex-direction: column;
transition: width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
overflow: hidden;
}
#sidebar.collapsed { width: var(--sidebar-collapsed-width); }
.sidebar-header {
padding: 20px; display: flex; align-items: center; justify-content: space-between;
min-height: 44px; border-bottom: 1px solid var(--divider-color);
}
.app-title {
font-size: 1.1rem; font-weight: 800; color: var(--primary);
white-space: nowrap; transition: opacity 0.2s; margin-left: 5px;
}
#sidebar.collapsed .app-title { opacity: 0; pointer-events: none; position: absolute; }
.toggle-btn {
background: none; border: none; color: var(--text-main);
cursor: pointer; font-size: 1.2rem; width: 36px; height: 36px;
border-radius: 8px; display: flex; align-items: center; justify-content: center;
transition: background 0.2s; margin-left: auto;
}
#sidebar.collapsed .toggle-btn { margin: 0 auto; }
.toggle-btn:hover { background: var(--item-hover); }
.sidebar-content {
flex: 1; padding: 15px; overflow-y: auto; overflow-x: hidden;
display: flex; flex-direction: column; gap: 0;
}
.sidebar-content::-webkit-scrollbar { width: 0; }
.divider {
width: 100%; height: 1px; background: var(--divider-color);
margin: 15px 0; flex-shrink: 0; transition: all 0.3s;
}
#sidebar.collapsed .divider { width: 24px; margin: 15px auto; }
.control-group { display: flex; flex-direction: column; gap: 10px; }
.group-header {
display: flex; align-items: center;
color: var(--text-sub); font-size: 0.85rem; font-weight: 600;
height: 32px; transition: all 0.3s; cursor: pointer; border-radius: 8px;
}
#sidebar.collapsed .group-header { justify-content: center; width: 100%; }
#sidebar.collapsed .group-header:hover { background: var(--item-hover); }
.group-label { white-space: nowrap; transition: opacity 0.2s; }
.icon-box {
width: 32px; display: flex; justify-content: center; align-items: center;
font-size: 1rem; flex-shrink: 0; margin-right: 4px;
}
#sidebar.collapsed .icon-box { margin-right: 0; }
#sidebar.collapsed .group-label { display: none; }
.cam-switch-btn {
width: 100%; height: 42px; padding: 0 12px;
border-radius: 12px; border: 1px solid var(--glass-border);
background: var(--item-hover); color: var(--text-main);
cursor: pointer; display: flex; align-items: center;
transition: all 0.2s; font-size: 0.9rem; font-weight: 600;
box-sizing: border-box;
}
.cam-switch-btn.active { background: rgba(0, 184, 148, 0.15); color: #00b894; border-color: #00b894; }
.cam-switch-btn:hover { transform: translateY(-1px); }
.cam-icon-wrapper {
width: 32px; display: flex; justify-content: center; align-items: center;
font-size: 1.1rem; flex-shrink: 0; margin-right: 4px;
}
.cam-text { line-height: 1; padding-top: 1px; white-space: nowrap; }
#sidebar.collapsed .cam-switch-btn { width: 42px; padding: 0; justify-content: center; margin: 0 auto; }
#sidebar.collapsed .cam-icon-wrapper { margin-right: 0; }
#sidebar.collapsed .cam-text { display: none; }
.shape-list { display: flex; flex-direction: column; gap: 6px; }
.shape-btn {
display: flex; align-items: center; height: 42px; padding: 0 12px;
border: none; background: transparent; color: var(--text-main);
border-radius: 12px; cursor: pointer; transition: all 0.2s;
font-size: 0.95rem; overflow: hidden; text-align: left; box-sizing: border-box;
}
.shape-btn:hover { background: var(--item-hover); }
.shape-btn.active {
background: var(--primary); color: var(--active-text);
box-shadow: 0 4px 12px rgba(0,0,0,0.15); font-weight: 600;
}
.shape-icon {
width: 32px; display: flex; justify-content: center; align-items: center;
font-size: 1.2rem; flex-shrink: 0; margin-right: 4px;
}
.shape-text { white-space: nowrap; line-height: 1; padding-top: 1px;}
#sidebar.collapsed .shape-btn { width: 42px; padding: 0; justify-content: center; margin: 0 auto; }
#sidebar.collapsed .shape-icon { margin-right: 0; }
#sidebar.collapsed .shape-text { display: none; }
.color-picker-wrapper {
width: 100%; height: 40px; border-radius: 12px; position: relative;
background: var(--item-hover); border: 1px solid var(--glass-border);
display: flex; align-items: center; padding: 4px; box-sizing: border-box;
cursor: pointer; transition: all 0.2s;
}
.color-picker-wrapper:hover { background: rgba(150,150,150, 0.1); }
#current-color-display {
flex: 1; height: 100%; border-radius: 8px; background-color: var(--primary);
box-shadow: 0 2px 6px rgba(0,0,0,0.1); transition: background-color 0.2s; position: relative;
}
#native-color-input { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; z-index: 2; }
.color-tip { font-size: 0.8rem; color: var(--text-sub); margin-left: 10px; margin-right: 5px; white-space: nowrap; }
#sidebar.collapsed .color-picker-wrapper { width: 42px; height: 42px; padding: 0; justify-content: center; margin: 0 auto; }
#sidebar.collapsed #current-color-display { width: 24px; height: 24px; flex: none; border-radius: 50%; }
#sidebar.collapsed .color-tip { display: none; }
.instruction-box {
font-size: 0.8rem; color: var(--text-sub); line-height: 1.6;
background: var(--item-hover); padding: 12px; border-radius: 12px;
}
#sidebar.collapsed .instruction-box { display: none; }
.theme-wrapper { padding: 15px; border-top: 1px solid var(--divider-color); }
.theme-btn {
width: 100%; height: 44px; border-radius: 12px;
border: 1px solid var(--glass-border); background: var(--item-hover);
color: var(--text-main); cursor: pointer;
display: flex; align-items: center; justify-content: center; gap: 10px;
font-size: 0.9rem; transition: all 0.2s;
}
.theme-btn:hover { background: rgba(150,150,150, 0.15); }
#sidebar.collapsed .theme-btn { padding: 0; }
#sidebar.collapsed .theme-text { display: none; }
#video-container { position: fixed; bottom: 20px; right: 20px; width: 160px; height: 120px; z-index: 10; }
#video-feed {
position: absolute; top: 0; left: 0; width: 100%; height: 100%;
border-radius: 16px; object-fit: cover; transform: scaleX(-1);
border: 3px solid var(--primary); box-shadow: var(--shadow);
opacity: 0.9; display: none; background: #000;
}
#output-canvas {
position: absolute; top: 0; left: 0; width: 100%; height: 100%;
border-radius: 16px; object-fit: cover; transform: scaleX(-1);
pointer-events: none; z-index: 11; display: none;
}
#camera-placeholder {
width: 100%; height: 100%;
border-radius: 16px; background: rgba(0,0,0,0.1);
backdrop-filter: blur(5px); border: 2px dashed var(--text-sub);
display: flex; align-items: center; justify-content: center; flex-direction: column;
color: var(--text-sub); font-size: 0.8rem; box-sizing: border-box;
}
.cam-off-icon { font-size: 1.5rem; opacity: 0.5; margin-bottom: 5px; }
#loader {
position: fixed; top: 0; left: 0; width: 100%; height: 100%;
background: #fff; z-index: 999; display: flex; flex-direction: column;
justify-content: center; align-items: center; transition: opacity 0.5s; color: #6c5ce7;
}
.spinner {
width: 40px; height: 40px; border: 4px solid rgba(108, 92, 231, 0.2);
border-top: 4px solid #6c5ce7; border-radius: 50%;
animation: spin 1s linear infinite; margin-bottom: 20px;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
</style>
</head>
<body>
<div id="bg-light" class="bg-layer"></div>
<div id="bg-dark" class="bg-layer"></div>
<div id="loader">
<div class="spinner"></div>
<div>Engine Start...</div>
</div>
<!-- 侧边栏 -->
<nav id="sidebar">
<div class="sidebar-header">
<div class="app-title">✨ 灵动粒子</div>
<button class="toggle-btn" id="sidebar-toggle" title="折叠/展开">☰</button>
</div>
<div class="sidebar-content">
<div class="control-group">
<button class="cam-switch-btn" id="cam-toggle-btn" title="开启/关闭手势识别">
<div class="cam-icon-wrapper">📷</div>
<span class="cam-text" id="cam-btn-text">开启摄像头控制</span>
</button>
</div>
<div class="divider"></div>
<div class="control-group">
<div class="group-header" title="点击展开">
<div class="icon-box">💠</div>
<span class="group-label">模型形态</span>
</div>
<div class="shape-list">
<button class="shape-btn active" data-shape="heart" id="btn-heart">
<div class="shape-icon">❤️</div><span class="shape-text">挚爱之心</span>
</button>
<button class="shape-btn" data-shape="galaxy" id="btn-galaxy">
<div class="shape-icon">🌌</div><span class="shape-text">浩瀚银河</span>
</button>
<button class="shape-btn" data-shape="flower" id="btn-flower">
<div class="shape-icon">🌹</div><span class="shape-text">繁花盛宴</span>
</button>
<button class="shape-btn" data-shape="forest" id="btn-forest">
<div class="shape-icon">🌲</div><span class="shape-text">迷雾森林</span>
</button>
<button class="shape-btn" data-shape="dna" id="btn-dna">
<div class="shape-icon">🧬</div><span class="shape-text">生命螺旋</span>
</button>
</div>
</div>
<div class="divider"></div>
<div class="control-group">
<div class="group-header" title="点击展开">
<div class="icon-box">🎨</div>
<span class="group-label">粒子色彩</span>
</div>
<div class="color-picker-wrapper" title="点击选择任意颜色">
<div id="current-color-display"></div>
<div class="color-tip">点击切换</div>
<input type="color" id="native-color-input" value="#6c5ce7">
</div>
</div>
<div class="divider"></div>
<div class="control-group">
<div class="group-header" title="点击展开">
<div class="icon-box">ℹ️</div>
<span class="group-label">操作指南</span>
</div>
<div class="instruction-box">
👋 <b>缩放</b>: 张开/捏合手掌<br>
✋ <b>旋转</b>: 移动手腕位置<br>
✊ <b>锁定</b>: 右手握拳锁旋转<br>
🙌 <b>重置</b>: 双手同时握拳
</div>
</div>
</div>
<div class="theme-wrapper">
<button class="theme-btn" id="theme-btn" title="切换显示模式">
<span id="theme-icon" style="font-size: 1.1rem">☀</span>
<span class="theme-text">当前：浅色模式</span>
</button>
</div>
</nav>
<div id="video-container">
<div id="camera-placeholder">
<div class="cam-off-icon">📷⃠</div>
<div>已关闭</div>
</div>
<video id="video-feed" playsinline muted autoplay></video>
<canvas id="output-canvas"></canvas>
</div>
<div id="canvas-container"></div>
<script type="module">
import * as THREE from 'https://cdn.skypack.dev/three@0.136.0';
import { OrbitControls } from 'https://cdn.skypack.dev/three@0.136.0/examples/jsm/controls/OrbitControls.js';
const loadScript = (src) => new Promise((resolve, reject) => {
const s = document.createElement('script');
s.src = src; s.onload = resolve; s.onerror = reject;
document.body.appendChild(s);
});
let scene, camera, renderer, particles, geometry, material;
const isMobileDevice = window.innerWidth < 768;
const particleCount = isMobileDevice ? 8000 : 25000;
let isDarkMode = false;
let currentShape = 'heart';
let targetScale = 1; let currentScale = 1;
let targetRotationX = 0, targetRotationY = 0;
let currentRotationX = 0, currentRotationY = 0;
let clock = new THREE.Clock();
let cameraUtils = null;
let isCameraActive = false;
let handDetected = false;
let sidebarAutoCloseTimer = null; // [新增] 侧边栏自动收起定时器
const Shapes = {
heart: (i) => {
const u = Math.random() * Math.PI * 2;
const v = Math.random() * Math.PI;
const x = 16 * Math.pow(Math.sin(u), 3) * Math.sin(v);
const y = (13 * Math.cos(u) - 5 * Math.cos(2*u) - 2 * Math.cos(3*u) - Math.cos(4*u)) * Math.sin(v);
const z = 6 * Math.cos(v);
return new THREE.Vector3(x * 0.22, y * 0.22, z * 0.22);
},
galaxy: (i) => {
const arms = 3; const armWidth = 0.8;
const isCore = Math.random() < 0.25;
if (isCore) {
const theta = Math.random() * Math.PI * 2;
const phi = Math.acos(2 * Math.random() - 1);
const r = Math.pow(Math.random(), 1/3) * 1.5;
return new THREE.Vector3(r * Math.sin(phi) * Math.cos(theta), r * Math.cos(phi) * 0.4, r * Math.sin(phi) * Math.sin(theta));
}
const spin = i * 0.0002;
const armIndex = i % arms;
const armAngle = (armIndex / arms) * Math.PI * 2;
const dist = Math.pow(Math.random(), 2) * 9 + 0.5;
const angle = armAngle + dist * 0.5 + (Math.random() - 0.5) * armWidth;
const x = Math.cos(angle) * dist;
const z = Math.sin(angle) * dist;
const height = (Math.random() - 0.5) * (2.5 / (dist * 0.5 + 0.1));
return new THREE.Vector3(x, height, z);
},
flower: (i) => {
const layerCount = 6;
const t = Math.pow(Math.random(), 0.6);
const layerIndex = Math.floor(t * layerCount);
const progress = (layerIndex + Math.random()) / layerCount;
const baseR = 0.5 + progress * 3.5;
const u = Math.random() * Math.PI * 2;
const petals = 6;
const waveAmp = 0.2 + progress * 0.4;
const offset = layerIndex * (Math.PI / petals);
const r = baseR * (1 + waveAmp * Math.sin(petals * u + offset));
let y = (1 - progress) * 2.0;
const curl = Math.sin(petals * u + offset);
if (progress > 0.6) y -= curl * 0.3 * progress; else y += curl * 0.1;
y += (Math.random() - 0.5) * 0.15;
const x = r * Math.cos(u); const z = r * Math.sin(u);
return new THREE.Vector3(x, y - 1, z);
},
forest: (i) => {
const treeCount = 60; const bushCount = 40;
const rand = Math.random();
if (rand < 0.65) {
const treeIdx = i % treeCount;
const angle = treeIdx * 2.39996; const dist = 4.0 * Math.sqrt(treeIdx + 1);
const tx = Math.cos(angle) * dist; const tz = Math.sin(angle) * dist;
const pseudoRand = Math.sin(treeIdx * 999);
const heightScale = 1.0 + 0.5 * pseudoRand;
if (Math.random() < 0.25) {
const h = Math.random() * 2.0 * heightScale;
const r = 0.2 + (2.0 - h) * 0.05;
const theta = Math.random() * Math.PI * 2;
return new THREE.Vector3(tx + r*Math.cos(theta), h - 4, tz + r*Math.sin(theta));
} else {
const crownY = -2.5 + 2.0 * heightScale;
const r = Math.pow(Math.random(), 1/3);
const theta = Math.random() * Math.PI * 2;
const phi = Math.acos(2 * Math.random() - 1);
const crownRad = 1.3 + 0.3 * pseudoRand;
return new THREE.Vector3(tx + r * crownRad * Math.sin(phi) * Math.cos(theta), crownY + r * crownRad * Math.cos(phi) * 1.3, tz + r * crownRad * Math.sin(phi) * Math.sin(theta));
}
} else if (rand < 0.90) {
const bushIdx = (i * 17) % bushCount;
const seed = bushIdx * 654.321;
const bx = (Math.sin(seed) * 22); const bz = (Math.cos(seed * 0.9) * 22);
const br = 0.7 + 0.3 * Math.sin(seed);
const r = Math.pow(Math.random(), 1/3) * br;
const theta = Math.random() * Math.PI * 2;
const phi = Math.random() * Math.PI / 2;
return new THREE.Vector3(bx + r * Math.sin(phi) * Math.cos(theta), -4 + r * Math.cos(phi) * 0.7, bz + r * Math.sin(phi) * Math.sin(theta));
} else {
const x = (Math.random() - 0.5) * 60; const z = (Math.random() - 0.5) * 60;
return new THREE.Vector3(x, -4, z);
}
},
dna: (i) => {
const len = 18; const t = Math.random() * len - len/2;
const angle = t * 2.5; const type = Math.random();
if (type < 0.7) {
const strand = Math.random() > 0.5 ? 0 : Math.PI;
const x = 2.0 * Math.cos(angle + strand) + (Math.random()-0.5)*0.4;
const z = 2.0 * Math.sin(angle + strand) + (Math.random()-0.5)*0.4;
return new THREE.Vector3(x, t, z);
} else {
const segment = Math.floor((t + len/2) * 2);
if (segment % 3 === 0) {
const alpha = Math.random();
const x1 = 2.0 * Math.cos(angle); const z1 = 2.0 * Math.sin(angle);
const x2 = 2.0 * Math.cos(angle + Math.PI); const z2 = 2.0 * Math.sin(angle + Math.PI);
return new THREE.Vector3(x1 + (x2-x1)*alpha, t, z1 + (z2-z1)*alpha);
} else return new THREE.Vector3(0,0,0);
}
}
};
function createParticleTexture() {
const canvas = document.createElement('canvas');
canvas.width = 32; canvas.height = 32;
const ctx = canvas.getContext('2d');
const grad = ctx.createRadialGradient(16, 16, 0, 16, 16, 16);
grad.addColorStop(0, 'rgba(255, 255, 255, 1)');
grad.addColorStop(1, 'rgba(255, 255, 255, 0)');
ctx.fillStyle = grad;
ctx.fillRect(0, 0, 32, 32);
const texture = new THREE.Texture(canvas);
texture.needsUpdate = true;
return texture;
}
function initScene() {
const container = document.getElementById('canvas-container');
scene = new THREE.Scene();
scene.fog = new THREE.FogExp2(0xffffff, 0.035);
camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
camera.position.z = 12;
renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true });
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.setPixelRatio(window.devicePixelRatio);
container.appendChild(renderer.domElement);
const controls = new OrbitControls(camera, renderer.domElement);
controls.enableDamping = true;
controls.autoRotate = true;
controls.autoRotateSpeed = 2.0;
window.controls = controls;
geometry = new THREE.BufferGeometry();
const initialPos = new Float32Array(particleCount * 3);
const targetPos = new Float32Array(particleCount * 3);
const colors = new Float32Array(particleCount * 3);
const baseColor = new THREE.Color('#6c5ce7');
for (let i = 0; i < particleCount; i++) {
initialPos[i * 3] = (Math.random() - 0.5) * 50;
initialPos[i * 3 + 1] = (Math.random() - 0.5) * 50;
initialPos[i * 3 + 2] = (Math.random() - 0.5) * 50;
const c = baseColor.clone();
c.offsetHSL(0, 0, (Math.random() - 0.5) * 0.2);
colors[i * 3] = c.r; colors[i * 3 + 1] = c.g; colors[i * 3 + 2] = c.b;
}
geometry.setAttribute('position', new THREE.BufferAttribute(initialPos, 3));
geometry.setAttribute('targetPosition', new THREE.BufferAttribute(targetPos, 3));
geometry.setAttribute('color', new THREE.BufferAttribute(colors, 3));
material = new THREE.PointsMaterial({
size: 0.12, vertexColors: true, blending: THREE.NormalBlending,
depthWrite: false, transparent: true, opacity: 0.8,
map: createParticleTexture()
});
particles = new THREE.Points(geometry, material);
scene.add(particles);
generateTargetPositions('heart');
window.addEventListener('resize', onWindowResize);
}
function generateTargetPositions(shapeName) {
const posAttr = geometry.attributes.targetPosition;
const generator = Shapes[shapeName];
for (let i = 0; i < particleCount; i++) {
const v = generator(i);
posAttr.setXYZ(i, v.x, v.y, v.z);
}
posAttr.needsUpdate = true;
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
function animate() {
requestAnimationFrame(animate);
const delta = clock.getDelta();
currentScale = THREE.MathUtils.lerp(currentScale, targetScale, 0.05);
particles.scale.setScalar(currentScale);
if (isCameraActive && handDetected) {
window.controls.autoRotate = false;
currentRotationY = THREE.MathUtils.lerp(currentRotationY, targetRotationY, 0.06);
currentRotationX = THREE.MathUtils.lerp(currentRotationX, targetRotationX, 0.06);
particles.rotation.y = currentRotationY;
particles.rotation.x = currentRotationX;
} else {
window.controls.autoRotate = true;
particles.rotation.x = THREE.MathUtils.lerp(particles.rotation.x, 0, 0.05);
currentRotationY = particles.rotation.y;
}
window.controls.update();
const pos = geometry.attributes.position.array;
const target = geometry.attributes.targetPosition.array;
const speed = 4.0 * delta;
for (let i = 0; i < particleCount; i++) {
const ix = i * 3;
pos[ix] += (target[ix] - pos[ix]) * speed;
pos[ix+1] += (target[ix+1] - pos[ix+1]) * speed;
pos[ix+2] += (target[ix+2] - pos[ix+2]) * speed;
}
geometry.attributes.position.needsUpdate = true;
renderer.render(scene, camera);
}
function initUI() {
const sidebar = document.getElementById('sidebar');
const toggleBtn = document.getElementById('sidebar-toggle');
toggleBtn.addEventListener('click', () => sidebar.classList.toggle('collapsed'));
// 点击外部自动收起
document.addEventListener('click', (e) => {
if (!sidebar.classList.contains('collapsed') &&
!sidebar.contains(e.target) &&
!toggleBtn.contains(e.target)) {
sidebar.classList.add('collapsed');
}
});
const shapeBtns = document.querySelectorAll('.shape-btn');
shapeBtns.forEach(btn => {
btn.addEventListener('click', (e) => {
shapeBtns.forEach(b => b.classList.remove('active'));
const target = e.target.closest('.shape-btn');
target.classList.add('active');
const newShape = target.dataset.shape;
if (newShape !== currentShape) {
currentShape = newShape;
generateTargetPositions(newShape);
}
});
});
const groupHeaders = document.querySelectorAll('.group-header');
groupHeaders.forEach(header => {
header.addEventListener('click', () => {
if (sidebar.classList.contains('collapsed')) {
sidebar.classList.remove('collapsed');
}
});
});
const colorInput = document.getElementById('native-color-input');
const colorDisplay = document.getElementById('current-color-display');
colorInput.addEventListener('input', (e) => {
const hex = e.target.value;
colorDisplay.style.backgroundColor = hex;
document.documentElement.style.setProperty('--primary', hex);
const c = new THREE.Color(hex);
const hsl = {}; c.getHSL(hsl); const isLight = hsl.l > 0.8;
const colors = geometry.attributes.color;
for(let i=0; i<particleCount; i++) {
const temp = c.clone();
const offset = isLight ? (Math.random() * 0.1) : (Math.random()-0.5)*0.2;
temp.offsetHSL(0, 0, offset);
colors.setXYZ(i, temp.r, temp.g, temp.b);
}
colors.needsUpdate = true;
});
const themeBtn = document.getElementById('theme-btn');
const themeIcon = document.getElementById('theme-icon');
const themeText = themeBtn.querySelector('.theme-text');
themeBtn.addEventListener('click', () => {
isDarkMode = !isDarkMode;
document.body.classList.toggle('dark-mode');
if (isDarkMode) {
themeIcon.innerText = '🌙'; themeText.innerText = '当前：深色模式';
scene.fog.color.set(0x1a1a1a);
material.blending = THREE.AdditiveBlending; material.opacity = 0.6;
} else {
themeIcon.innerText = '☀'; themeText.innerText = '当前：浅色模式';
scene.fog.color.set(0xffffff);
material.blending = THREE.NormalBlending; material.opacity = 0.8;
}
material.needsUpdate = true;
});
}
async function initAI() {
await loadScript('https://cdn.jsdelivr.net/npm/@mediapipe/camera_utils/camera_utils.js');
await loadScript('https://cdn.jsdelivr.net/npm/@mediapipe/control_utils/control_utils.js');
await loadScript('https://cdn.jsdelivr.net/npm/@mediapipe/drawing_utils/drawing_utils.js');
await loadScript('https://cdn.jsdelivr.net/npm/@mediapipe/hands/hands.js');
const videoElement = document.getElementById('video-feed');
const canvasElement = document.getElementById('output-canvas');
const canvasCtx = canvasElement.getContext('2d');
const placeholder = document.getElementById('camera-placeholder');
const camBtn = document.getElementById('cam-toggle-btn');
const camText = document.getElementById('cam-btn-text');
const sidebar = document.getElementById('sidebar');
const hands = new Hands({locateFile: (file) => `https://cdn.jsdelivr.net/npm/@mediapipe/hands/${file}`});
hands.setOptions({
maxNumHands: 2, // 开启双手支持
modelComplexity: 1,
minDetectionConfidence: 0.4,
minTrackingConfidence: 0.5
});
// 简单的握拳检测函数
function isFist(landmarks) {
// 判断四个手指指尖是否低于指根关节（y坐标更大）
// 坐标系：y向下为正
// 注意：这适用于手掌向着摄像头（常规操作）
// 食指: 8 tip, 6 pip
// 中指: 12 tip, 10 pip
// 无名指: 16 tip, 14 pip
// 小指: 20 tip, 18 pip
let closedFingers = 0;
if (landmarks[8].y > landmarks[6].y) closedFingers++;
if (landmarks[12].y > landmarks[10].y) closedFingers++;
if (landmarks[16].y > landmarks[14].y) closedFingers++;
if (landmarks[20].y > landmarks[18].y) closedFingers++;
// 拇指判断比较复杂，简化为判断拇指尖是否靠近小指根部
// 或者直接忽略拇指，只看四指
return closedFingers >= 4;
}
hands.onResults((results) => {
if(videoElement.videoWidth) {
canvasElement.width = videoElement.videoWidth;
canvasElement.height = videoElement.videoHeight;
canvasCtx.save();
canvasCtx.clearRect(0, 0, canvasElement.width, canvasElement.height);
let activeHands = 0;
if (results.multiHandLandmarks) activeHands = results.multiHandLandmarks.length;
if (activeHands > 0) {
handDetected = true;
// [新增] 自动收起侧边栏逻辑
if (!sidebar.classList.contains('collapsed') && !sidebarAutoCloseTimer) {
sidebarAutoCloseTimer = setTimeout(() => {
sidebar.classList.add('collapsed');
sidebarAutoCloseTimer = null;
}, 3000); // 3秒后收起
}
// 绘制骨骼
for (const landmarks of results.multiHandLandmarks) {
drawConnectors(canvasCtx, landmarks, HAND_CONNECTIONS, {color: '#00FF00', lineWidth: 4});
drawLandmarks(canvasCtx, landmarks, {color: '#FF0000', lineWidth: 2});
}
// --- 双手握拳重置检测 ---
let fistCount = 0;
let rotationLocked = false;
for (let i = 0; i < activeHands; i++) {
const landmarks = results.multiHandLandmarks[i];
const isHandFist = isFist(landmarks);
if (isHandFist) {
fistCount++;
// [新增] 左手握拳检测 (用于锁定旋转)
// MediaPipe handedness label "Left" 通常指用户的左手
// 注意：在 mirrored 模式下，左手出现在屏幕右侧，label 仍为 "Left"
if (results.multiHandedness && results.multiHandedness[i].label === 'Left') {
rotationLocked = true;
}
}
}
if (fistCount === 2) {
// 双手握拳 -> 重置状态
targetScale = 1.0;
targetRotationX = 0;
targetRotationY = 0;
} else {
// 单手或双手非握拳交互
// 取第一只手作为主控手
const lm = results.multiHandLandmarks[0];
// 缩放 (始终响应)
const p1 = lm[4], p2 = lm[8];
const dist = Math.hypot(p1.x-p2.x, p1.y-p2.y);
targetScale = Math.min(Math.max((dist - 0.03) * 18, 0.5), 3.0);
// 旋转 (左手握拳时不响应)
if (!rotationLocked) {
const wrist = lm[0];
targetRotationY = (wrist.x - 0.5) * 6.0;
targetRotationX = (wrist.y - 0.5) * 4.0;
}
}
} else {
handDetected = false;
targetScale = 1.0;
// 如果手消失了，是否需要清除定时器？
// 逻辑上：手消失了 -> 下次手出现重新计时
if (sidebarAutoCloseTimer) {
clearTimeout(sidebarAutoCloseTimer);
sidebarAutoCloseTimer = null;
}
}
canvasCtx.restore();
}
});
cameraUtils = new Camera(videoElement, {
onFrame: async () => { await hands.send({image: videoElement}); },
width: { ideal: 1280 },
height: { ideal: 720 },
facingMode: 'user'
});
camBtn.addEventListener('click', async () => {
if (!isCameraActive) {
try {
await cameraUtils.start();
isCameraActive = true;
videoElement.style.display = 'block';
canvasElement.style.display = 'block';
placeholder.style.display = 'none';
camBtn.classList.add('active');
camText.innerText = '关闭摄像头';
} catch(e) {
alert("摄像头启动失败：\n1.请确保使用 HTTPS\n2.请允许浏览器访问相机");
console.error(e);
}
} else {
await cameraUtils.stop();
const stream = videoElement.srcObject;
if (stream) { stream.getTracks().forEach(track => track.stop()); videoElement.srcObject = null; }
isCameraActive = false; handDetected = false; targetScale = 1.0;
videoElement.style.display = 'none';
canvasElement.style.display = 'none';
placeholder.style.display = 'flex';
camBtn.classList.remove('active');
camText.innerText = '开启摄像头控制';
}
});
document.getElementById('loader').style.opacity = 0;
setTimeout(() => document.getElementById('loader').style.display = 'none', 500);
}
window.onload = () => {
initScene();
initUI();
animate();
initAI();
};
</script>
</body>
</html>