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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>AR美甲工作室</title>
<script src="https://cdn.jsdelivr.net/npm/@mediapipe/camera_utils/camera_utils.js" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/@mediapipe/control_utils/control_utils.js" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/@mediapipe/drawing_utils/drawing_utils.js" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/@mediapipe/hands/hands.js" crossorigin="anonymous"></script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
body {
background-color: #f8f8f8;
overflow: hidden;
position: fixed;
width: 100%;
height: 100%;
touch-action: none;
}
.container {
position: relative;
width: 100%;
height: 100%;
overflow: hidden;
}
.input_video {
position: absolute;
width: 100%;
height: 100%;
left: 0;
top: 0;
object-fit: cover;
opacity: 0;
pointer-events: none;
}
.output_canvas {
position: absolute;
width: 100%;
height: 100%;
left: 0;
top: 0;
object-fit: cover;
}
.controls-container {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
padding: 20px;
background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
z-index: 10;
}
.controls-content {
max-width: 500px;
margin: 0 auto;
}
.control-section {
margin-bottom: 25px;
}
.section-title {
color: white;
font-size: 14px;
font-weight: 600;
margin-bottom: 12px;
letter-spacing: 0.5px;
text-transform: uppercase;
}
.design-options {
display: flex;
overflow-x: auto;
padding-bottom: 8px;
gap: 12px;
scrollbar-width: none;
}
.design-options::-webkit-scrollbar {
display: none;
}
.design-option {
width: 60px;
height: 60px;
border-radius: 12px;
overflow: hidden;
position: relative;
border: 2px solid transparent;
transition: all 0.2s ease;
flex-shrink: 0;
}
.design-option.selected {
border-color: #fff;
transform: scale(1.05);
box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}
.slider-container {
margin: 15px 0;
color: white;
}
.slider-label {
display: flex;
justify-content: space-between;
font-size: 12px;
margin-bottom: 8px;
}
.slider {
-webkit-appearance: none;
appearance: none;
width: 100%;
height: 4px;
background: rgba(255, 255, 255, 0.3);
border-radius: 2px;
outline: none;
}
.slider::-webkit-slider-thumb {
-webkit-appearance: none;
appearance: none;
width: 18px;
height: 18px;
border-radius: 50%;
background: white;
cursor: pointer;
box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}
.toggle-section {
display: flex;
justify-content: space-between;
align-items: center;
}
.toggle-container {
display: flex;
align-items: center;
}
.toggle-label {
color: white;
font-size: 14px;
margin-right: 10px;
}
.toggle {
position: relative;
width: 46px;
height: 24px;
border-radius: 12px;
background-color: rgba(255, 255, 255, 0.3);
transition: all 0.3s ease;
}
.toggle.active {
background-color: #3a86ff;
}
.toggle-handle {
position: absolute;
top: 2px;
left: 2px;
width: 20px;
height: 20px;
border-radius: 50%;
background-color: white;
transition: all 0.3s ease;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
.toggle.active .toggle-handle {
left: 24px;
}
.snap-button {
position: absolute;
bottom: 240px;
left: 50%;
transform: translateX(-50%);
width: 64px;
height: 64px;
border-radius: 50%;
background-color: white;
display: flex;
justify-content: center;
align-items: center;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
z-index: 20;
border: none;
outline: none;
}
.snap-button:active {
transform: translateX(-50%) scale(0.95);
}
.snap-button::after {
content: '';
width: 52px;
height: 52px;
border-radius: 50%;
border: 2px solid #f8f8f8;
}
.camera-flip {
position: absolute;
top: 20px;
right: 20px;
background: rgba(0, 0, 0, 0.5);
color: white;
border: none;
border-radius: 50%;
width: 40px;
height: 40px;
display: flex;
justify-content: center;
align-items: center;
z-index: 20;
font-size: 18px;
}
.loading-screen {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: #000;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 9999;
transition: opacity 0.5s ease;
}
.loading-spinner {
width: 50px;
height: 50px;
border: 3px solid rgba(255, 255, 255, 0.2);
border-radius: 50%;
border-top-color: white;
animation: spin 1s linear infinite;
margin-bottom: 20px;
}
.loading-text {
color: white;
font-size: 18px;
font-weight: 500;
}
@keyframes spin {
to {
transform: rotate(360deg);
}
}
.app-title {
position: absolute;
top: 20px;
left: 20px;
color: white;
font-size: 18px;
font-weight: 600;
text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
z-index: 20;
}
.color-block {
width: 100%;
height: 100%;
}
.camera-permission {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.8);
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
z-index: 9998;
color: white;
text-align: center;
padding: 20px;
}
.camera-permission h2 {
margin-bottom: 20px;
font-size: 24px;
}
.camera-permission p {
margin-bottom: 30px;
font-size: 16px;
max-width: 500px;
}
.allow-camera-btn {
background-color: #3a86ff;
color: white;
border: none;
padding: 12px 24px;
border-radius: 24px;
font-size: 16px;
font-weight: 500;
cursor: pointer;
}
.debug-info {
position: fixed;
top: 70px;
left: 20px;
color: white;
background-color: rgba(0,0,0,0.7);
padding: 10px;
border-radius: 5px;
font-size: 12px;
z-index: 100;
max-width: 300px;
display: none;
}
</style>
</head>
<body>
<div class="loading-screen">
<div class="loading-spinner"></div>
<div class="loading-text">正在加载AR美甲工作室...</div>
</div>
<div class="camera-permission" id="cameraPermission">
<h2>需要摄像头权限</h2>
<p>AR美甲工作室需要使用您的摄像头来实时显示美甲效果。请点击下方按钮允许使用摄像头。</p>
<button class="allow-camera-btn" id="allowCameraBtn">允许使用摄像头</button>
</div>
<div class="debug-info" id="debugInfo"></div>
<div class="container">
<video class="input_video" playsinline></video>
<canvas class="output_canvas"></canvas>
<div class="app-title">AR美甲工作室</div>
<button class="camera-flip">
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
<path d="M9 16V10H15"></path>
<path d="M15 16L9 10"></path>
<path d="M12 3C16.971 3 21 7.029 21 12C21 16.971 16.971 21 12 21C7.029 21 3 16.971 3 12"></path>
<path d="M3 4V8H7"></path>
</svg>
</button>
<button class="snap-button"></button>
<div class="controls-container">
<div class="controls-content">
<div class="control-section">
<div class="section-title">美甲设计</div>
<div class="design-options">
<div class="design-option selected" data-design="pink">
<div class="color-block" style="background: linear-gradient(45deg, #ff9a9e, #fad0c4);"></div>
</div>
<div class="design-option" data-design="blue">
<div class="color-block" style="background: linear-gradient(45deg, #2193b0, #6dd5ed);"></div>
</div>
<div class="design-option" data-design="purple">
<div class="color-block" style="background: linear-gradient(45deg, #c471f5, #fa71cd);"></div>
</div>
<div class="design-option" data-design="gold">
<div class="color-block" style="background: linear-gradient(45deg, #f6d365, #fda085);"></div>
</div>
<div class="design-option" data-design="green">
<div class="color-block" style="background: linear-gradient(45deg, #43c6ac, #f8ffae);"></div>
</div>
<div class="design-option" data-design="black">
<div class="color-block" style="background: linear-gradient(45deg, #232526, #414345);"></div>
</div>
</div>
</div>
<div class="control-section">
<div class="section-title">调整</div>
<div class="slider-container">
<div class="slider-label">
<span>大小</span>
<span id="size-value">100%</span>
</div>
<input type="range" min="50" max="150" value="100" class="slider" id="size-slider">
</div>
<div class="slider-container">
<div class="slider-label">
<span>长度</span>
<span id="length-value">100%</span>
</div>
<input type="range" min="80" max="200" value="100" class="slider" id="length-slider">
</div>
<div class="slider-container">
<div class="slider-label">
<span>透明度</span>
<span id="opacity-value">100%</span>
</div>
<input type="range" min="30" max="100" value="100" class="slider" id="opacity-slider">
</div>
</div>
<div class="control-section toggle-section">
<div class="toggle-container">
<span class="toggle-label">真实阴影</span>
<div class="toggle active" id="shadow-toggle">
<div class="toggle-handle"></div>
</div>
</div>
<div class="toggle-container">
<span class="toggle-label">显示手部轮廓</span>
<div class="toggle" id="lines-toggle">
<div class="toggle-handle"></div>
</div>
</div>
</div>
</div>
</div>
</div>
<script>
// 定义美甲颜色及其属性
const nailDesigns = {
pink: {
color: 'linear-gradient(45deg, #ff9a9e, #fad0c4)',
shadowColor: 'rgba(255, 154, 158, 0.5)'
},
blue: {
color: 'linear-gradient(45deg, #2193b0, #6dd5ed)',
shadowColor: 'rgba(33, 147, 176, 0.5)'
},
purple: {
color: 'linear-gradient(45deg, #c471f5, #fa71cd)',
shadowColor: 'rgba(196, 113, 245, 0.5)'
},
gold: {
color: 'linear-gradient(45deg, #f6d365, #fda085)',
shadowColor: 'rgba(246, 211, 101, 0.5)'
},
green: {
color: 'linear-gradient(45deg, #43c6ac, #f8ffae)',
shadowColor: 'rgba(67, 198, 172, 0.5)'
},
black: {
color: 'linear-gradient(45deg, #232526, #414345)',
shadowColor: 'rgba(35, 37, 38, 0.5)'
}
};
// 初始化变量
let currentDesign = 'pink';
let sizeScale = 1.0;
let lengthScale = 1.0;
let opacity = 1.0;
let showShadows = true;
let showLines = false;
let facingMode = 'environment'; // 'user' = 前置摄像头, 'environment' = 后置摄像头
let camera;
let cameraInitialized = false;
// 初始化MediaPipe Hands实例
let hands;
// 调试工具
const debugInfo = document.getElementById('debugInfo');
function showDebug(text) {
debugInfo.style.display = 'block';
debugInfo.textContent = text;
}
// 获取UI元素
const videoElement = document.getElementsByClassName('input_video')[0];
const canvasElement = document.getElementsByClassName('output_canvas')[0];
const cameraPermissionElement = document.getElementById('cameraPermission');
const allowCameraButton = document.getElementById('allowCameraBtn');
// 设置画布尺寸
canvasElement.width = window.innerWidth;
canvasElement.height = window.innerHeight;
const canvasCtx = canvasElement.getContext('2d');
// 获取其他UI元素
const sizeSlider = document.getElementById('size-slider');
const sizeValue = document.getElementById('size-value');
const lengthSlider = document.getElementById('length-slider');
const lengthValue = document.getElementById('length-value');
const opacitySlider = document.getElementById('opacity-slider');
const opacityValue = document.getElementById('opacity-value');
const shadowToggle = document.getElementById('shadow-toggle');
const linesToggle = document.getElementById('lines-toggle');
const flipButton = document.querySelector('.camera-flip');
const snapButton = document.querySelector('.snap-button');
const designOptions = document.querySelectorAll('.design-option');
// 隐藏加载屏幕当页面准备就绪
document.addEventListener('DOMContentLoaded', function() {
document.querySelector('.loading-screen').style.opacity = 0;
setTimeout(() => {
document.querySelector('.loading-screen').style.display = 'none';
}, 500);
});
// 摄像头权限按钮点击事件
allowCameraButton.addEventListener('click', () => {
initializeARApp();
});
// 为指尖应用美甲设计的函数
function applyNailDesign(ctx, fingerTip, fingerBase, design) {
// 提取坐标
const tipX = fingerTip.x * canvasElement.width;
const tipY = fingerTip.y * canvasElement.height;
const baseX = fingerBase.x * canvasElement.width;
const baseY = fingerBase.y * canvasElement.height;
// 计算指甲参数
const fingerAngle = Math.atan2(tipY - baseY, tipX - baseX);
const fingerLength = Math.sqrt(Math.pow(tipX - baseX, 2) + Math.pow(tipY - baseY, 2));
// 指甲的大小（通过滑块调整）
const nailWidth = fingerLength * 0.6 * sizeScale;
const nailLength = fingerLength * 0.7 * lengthScale;
// 保存上下文状态
ctx.save();
// 移动到指尖并旋转
ctx.translate(tipX, tipY);
ctx.rotate(fingerAngle);
// 如果启用，绘制指甲阴影
if (showShadows) {
ctx.save();
ctx.shadowColor = nailDesigns[design].shadowColor;
ctx.shadowBlur = 15;
ctx.shadowOffsetX = 0;
ctx.shadowOffsetY = 5;
ctx.fillStyle = 'rgba(0,0,0,0)';
ctx.beginPath();
ctx.ellipse(0, 0, nailWidth/2, nailLength/2, 0, 0, Math.PI * 2);
ctx.fill();
ctx.restore();
}
// 绘制指甲形状（椭圆）
ctx.beginPath();
ctx.ellipse(0, 0, nailWidth/2, nailLength/2, 0, 0, Math.PI * 2);
ctx.clip();
// 为指甲颜色创建渐变
const gradient = ctx.createLinearGradient(-nailWidth/2, -nailLength/2, nailWidth/2, nailLength/2);
// 从设计解析渐变颜色
const gradientStr = nailDesigns[design].color;
const colorStart = gradientStr.substring(
gradientStr.indexOf('(') + 1,
gradientStr.indexOf(',')
).trim();
const colorEnd = gradientStr.substring(
gradientStr.lastIndexOf(',') + 1,
gradientStr.lastIndexOf(')')
).trim();
gradient.addColorStop(0, colorStart);
gradient.addColorStop(1, colorEnd);
// 使用渐变绘制指甲设计
ctx.globalAlpha = opacity;
ctx.fillStyle = gradient;
ctx.fillRect(-nailWidth/2, -nailLength/2, nailWidth, nailLength);
// 恢复上下文
ctx.restore();
}
// MediaPipe Hands 模型回调
function onResults(results) {
// 清除画布并绘制摄像头画面
canvasCtx.save();
canvasCtx.clearRect(0, 0, canvasElement.width, canvasElement.height);
canvasCtx.drawImage(
results.image, 0, 0, canvasElement.width, canvasElement.height
);
// 处理手部
if (results.multiHandLandmarks && results.multiHandLandmarks.length > 0) {
for (const landmarks of results.multiHandLandmarks) {
// 如果启用，绘制手部骨架
if (showLines) {
drawConnectors(canvasCtx, landmarks, HAND_CONNECTIONS,
{color: 'rgba(255, 255, 255, 0.5)', lineWidth: 2});
}
// 为每个指尖应用美甲设计
// 拇指
applyNailDesign(canvasCtx, landmarks[4], landmarks[3], currentDesign);
// 食指
applyNailDesign(canvasCtx, landmarks[8], landmarks[7], currentDesign);
// 中指
applyNailDesign(canvasCtx, landmarks[12], landmarks[11], currentDesign);
// 无名指
applyNailDesign(canvasCtx, landmarks[16], landmarks[15], currentDesign);
// 小指
applyNailDesign(canvasCtx, landmarks[20], landmarks[19], currentDesign);
}
}
canvasCtx.restore();
}
// 初始化AR应用
function initializeARApp() {
try {
cameraPermissionElement.style.display = 'none';
if (!cameraInitialized) {
showDebug("正在初始化手部跟踪...");
// 创建 MediaPipe Hands 实例
hands = new Hands({locateFile: (file) => {
return `https://cdn.jsdelivr.net/npm/@mediapipe/hands/${file}`;
}});
hands.setOptions({
maxNumHands: 2,
modelComplexity: 1,
minDetectionConfidence: 0.5,
minTrackingConfidence: 0.5
});
hands.onResults(onResults);
// 设置摄像头
setupCamera();
cameraInitialized = true;
showDebug("手部跟踪已初始化");
}
} catch (error) {
showDebug("初始化失败: " + error.message);
console.error("初始化AR应用失败:", error);
}
}
// 设置事件监听器
sizeSlider.addEventListener('input', (e) => {
sizeScale = parseInt(e.target.value) / 100;
sizeValue.textContent = `${e.target.value}%`;
});
lengthSlider.addEventListener('input', (e) => {
lengthScale = parseInt(e.target.value) / 100;
lengthValue.textContent = `${e.target.value}%`;
});
opacitySlider.addEventListener('input', (e) => {
opacity = parseInt(e.target.value) / 100;
opacityValue.textContent = `${e.target.value}%`;
});
shadowToggle.addEventListener('click', () => {
shadowToggle.classList.toggle('active');
showShadows = shadowToggle.classList.contains('active');
});
linesToggle.addEventListener('click', () => {
linesToggle.classList.toggle('active');
showLines = linesToggle.classList.contains('active');
});
flipButton.addEventListener('click', () => {
facingMode = facingMode === 'user' ? 'environment' : 'user';
// 使用新的facingMode重启摄像头
if (camera) {
camera.stop();
}
setupCamera();
});
designOptions.forEach(option => {
option.addEventListener('click', () => {
designOptions.forEach(opt => opt.classList.remove('selected'));
option.classList.add('selected');
currentDesign = option.getAttribute('data-design');
});
});
snapButton.addEventListener('click', () => {
const dataUrl = canvasElement.toDataURL('image/png');
// 创建临时链接元素
const link = document.createElement('a');
link.href = dataUrl;
link.download = 'AR-美甲设计.png';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
// 拍照的视觉反馈
snapButton.style.backgroundColor = '#3a86ff';
setTimeout(() => {
snapButton.style.backgroundColor = 'white';
}, 300);
});
// 设置带有适当facingMode的摄像头
function setupCamera() {
try {
showDebug("正在初始化摄像头...");
camera = new Camera(videoElement, {
onFrame: async () => {
if (hands) {
try {
await hands.send({image: videoElement});
} catch (error) {
showDebug("手部跟踪出错: " + error.message);
}
}
},
width: 1280,
height: 720,
facingMode: facingMode
});
camera.start()
.then(() => {
showDebug("摄像头已启动");
setTimeout(() => {
debugInfo.style.display = 'none';
}, 3000);
})
.catch(error => {
console.error('摄像头启动失败: ', error);
showDebug("摄像头启动失败: " + error.message);
// 显示摄像头权限界面
cameraPermissionElement.style.display = 'flex';
});
} catch (error) {
showDebug("摄像头初始化失败: " + error.message);
console.error("摄像头初始化失败:", error);
}
}
// 处理窗口调整大小
window.addEventListener('resize', () => {
canvasElement.width = window.innerWidth;
canvasElement.height = window.innerHeight;
});
</script>
</body>
</html> |