Three+ MediaPipe摄像头手势识别倒计时烟花祝福粒子动画效果代码-html代码-BFW代码库

Three+ MediaPipe摄像头手势识别倒计时烟花祝福粒子动画效果代码

代码语言：html

所属分类：粒子

代码描述： Three+ MediaPipe摄像头手势识别倒计时烟花祝福粒子动画效果代码，手势识别321倒计时，然后夜空下雪+烟花绽放+祝福文字。

代码标签： Three MediaPipe 摄像头手势识别倒计时烟花祝福粒子动画代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>手势倒计时烟花祝福</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Microsoft YaHei', sans-serif;
            background: #000;
            overflow: hidden;
            color: white;
        }

        #threeCanvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }

        /* 倒计时界面 */
        .countdown-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0f 100%);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 100;
            transition: opacity 1s, visibility 1s;
        }

        .countdown-screen.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .countdown-title {
            font-size: 2rem;
            margin-bottom: 30px;
            background: linear-gradient(90deg, #ff6b6b, #ffd93d, #6bcb77);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: shimmer 2s infinite;
        }

        @keyframes shimmer {
            0%, 100% { filter: brightness(1); }
            50% { filter: brightness(1.3); }
        }

        .countdown-number {
            font-size: 15rem;
            font-weight: bold;
            text-shadow: 0 0 50px rgba(255, 107, 107, 0.8),
                         0 0 100px rgba(255, 107, 107, 0.5);
            animation: pulse 0.5s ease-in-out;
            min-height: 250px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        @keyframes pulse {
            0% { transform: scale(1.5); opacity: 0; }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); opacity: 1; }
        }

        .countdown-hint {
            margin-top: 40px;
            font-size: 1.2rem;
            color: #888;
        }

        .gesture-hint {
            display: flex;
            gap: 30px;
            margin-top: 30px;
        }

        .gesture-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
            background: rgba(255,255,255,0.05);
            border-radius: 15px;
            transition: all 0.3s;
            opacity: 0.5;
        }

        .gesture-step.active {
            opacity: 1;
            background: rgba(255, 107, 107, 0.2);
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(255, 107, 107, 0.3);
        }

        .gesture-step.done {
            opacity: 0.3;
        }

        .gesture-icon {
            font-size: 3rem;
            margin-bottom: 10px;
        }

        /* 摄像头面板 */
        .camera-panel {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 280px;
            background: rgba(0, 0, 0, 0.8);
            border-radius: 15px;
            overflow: hidden;
            z-index: 200;
            border: 2px solid rgba(255, 107, 107, 0.3);
        }

        .camera-header {
            padding: 10px 15px;
            background: linear-gradient(90deg, #f.........完整代码请登录后点击上方下载按钮下载查看