冷暖空气对流动态演示 - DTNS.OS案例中心

HTML/CSS/JavaScript代码:

<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>冷暖空气对流导致下雨</title>
    <style>
        body {
            margin: 0;
            overflow: hidden;
            background: linear-gradient(to bottom, #87CEEB, #1E90FF);
            font-family: Arial, sans-serif;
        }

        #container {
            position: relative;
            width: 800px;
            height: 500px;
            margin: 20px auto;
            border: 2px solid #333;
            background: linear-gradient(to bottom, #E0F7FA, #B2EBF2);
            overflow: hidden;
        }

        .ground {
            position: absolute;
            bottom: 0;
            width: 100%;
            height: 100px;
            background: linear-gradient(to bottom, #8BC34A, #4CAF50);
        }

        .warm-air {
            position: absolute;
            width: 200px;
            height: 100px;
            background: rgba(255, 165, 0, 0.5);
            border-radius: 50% 50% 0 0;
            bottom: 100px;
            left: 300px;
            animation: rise 8s infinite;
        }

        .cold-air {
            position: absolute;
            width: 200px;
            height: 100px;
            background: rgba(0, 191, 255, 0.5);
            border-radius: 0 0 50% 50%;
            top: 0;
            left: 300px;
            animation: fall 8s infinite;
        }

        .cloud {
            position: absolute;
            width: 200px;
            height: 80px;
            background: rgba(255, 255, 255, 0.8);
            border-radius: 50%;
            top: 50px;
            left: 300px;
            opacity: 0;
            animation: form-cloud 8s infinite;
        }

        .rain {
            position: absolute;
            width: 2px;
            height: 20px;
            background: rgba(0, 191, 255, 0.7);
            top: 130px;
            left: 400px;
            opacity: 0;
            animation: rain 8s infinite;
        }

        .explanation {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: rgba(255, 255, 255, 0.7);
            padding: 10px;
            border-radius: 5px;
            max-width: 300px;
        }

        @keyframes rise {
            0% { transform: translateY(0); opacity: 0.5; }
            25% { transform: translateY(-100px); opacity: 0.7; }
            50% { transform: translateY(-200px); opacity: 0.3; }
            75% { transform: translateY(-300px); opacity: 0; }
            100% { transform: translateY(-300px); opacity: 0; }
        }

        @keyframes fall {
            0% { transform: translateY(0); opacity: 0.5; }
            25% { transform: translateY(100px); opacity: 0.7; }
            50% { transform: translateY(200px); opacity: 0.3; }
            75% { transform: translateY(300px); opacity: 0; }
            100% { transform: translateY(300px); opacity: 0; }
        }

        @keyframes form-cloud {
            0% { opacity: 0; transform: scale(0.5); }
            50% { opacity: 0; transform: scale(0.5); }
            60% { opacity: 0.8; transform: scale(1); }
            90% { opacity: 0.8; transform: scale(1); }
            100% { opacity: 0; transform: scale(1.2); }
        }

        @keyframes rain {
            0% { opacity: 0; }
            60% { opacity: 0; }
            65% { opacity: 1; transform: translateY(0); }
            100% { opacity: 1; transform: translateY(200px); }
        }

        .title {
            text-align: center;
            color: #333;
            margin-top: 20px;
        }

        .controls {
            text-align: center;
            margin: 10px;
        }

        button {
            padding: 8px 15px;
            background: #4CAF50;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
    </style>
</head>
<body>
    <h1 class="title">冷暖空气对流导致下雨的过程</h1>

    <div class="controls">
        <button onclick="restartAnimation()">重新播放</button>
    </div>

    <div id="container">
        <div class="ground"></div>
        <div class="warm-air"></div>
        <div class="cold-air"></div>
        <div class="cloud"></div>
        <div class="rain"></div>

        <div class="explanation">
            <h3>对流降雨过程:</h3>
            <ol>
                <li>地面暖湿空气受热上升</li>
                <li>高空冷空气下沉</li>
                <li>冷暖空气相遇形成对流</li>
                <li>水汽凝结形成云</li>
                <li>云中水滴增大形成降雨</li>
            </ol>
        </div>
    </div>

    <script>
        function createMultipleRainDrops() {
            const container = document.getElementById('container');

            // 清除现有的雨滴
            const existingRain = document.querySelectorAll('.rain-drop');
            existingRain.forEach(drop => drop.remove());

            // 创建多个雨滴
            for (let i = 0; i < 50; i++) {
                const rain = document.createElement('div');
                rain.className = 'rain rain_drop';

                // 随机位置
                const left = Math.random() * 700 + 50;
                const delay = Math.random() * 4;

                // 设置样式
                rain.style.left = left + 'px';
                rain.style.animationDelay = delay + 's';

                container.appendChild(rain);
            }
        }

        function restartAnimation() {
            // 重新创建雨滴
            createMultipleRainDrops();

            // 重新触发动画
            const elements = document.querySelectorAll('.warm-air, .cold-air, .cloud, .rain');
            elements.forEach(el => {
                el.style.animation = 'none';
                void el.offsetWidth; // 触发重绘
                el.style.animation = '';
            });
        }

        // 初始创建雨滴
        window.onload = createMultipleRainDrops;
    </script>
</body>
</html>
动画生成：冷暖空气对流动态演示

Prompt提示语:

对流降雨过程:

HTML/CSS/JavaScript代码:
