一个独立炫酷的网页极光特效示例，这个示例使用了HTML、CSS和JavaScript来创建一个全屏的极光效果。
具体步骤如下：
- HTML结构：包含一个
div容器用于放置极光效果。 - CSS样式：设置背景为黑色，并定义动画效果。
- JavaScript逻辑：
- 定义一个函数
createAurora，用于创建单个极光条带。 - 随机化每个极光条带的颜色、宽度、高度、位置和动画持续时间。
- 使用
setInterval定期创建新的极光条带，从而形成连续的极光效果。
你可以根据需要调整颜色、宽度、高度和其他属性，以获得不同的视觉效果。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Aurora Effect</title>
<style>
body, html {
margin: 0;
padding: 0;
overflow: hidden;
background-color: black;
}
.aurora-container {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
.aurora {
position: absolute;
width: 100%;
height: 100%;
background: transparent;
pointer-events: none;
}
@keyframes auroraAnimation {
0% {
transform: translateY(0);
}
100% {
transform: translateY(-100%);
}
}
</style>
</head>
<body>
<div class="aurora-container"></div>
<script>
function createAurora() {
const container = document.querySelector('.aurora-container');
const aurora = document.createElement('div');
aurora.classList.add('aurora');
// Randomize aurora properties
const colors = ['#6A0DAD', '#FF6F61', '#6B5B95', '#88B04B', '#F7CAC9', '#A020F0', '#87CEFA', '#FFFF00'];
const randomColor1 = colors[Math.floor(Math.random() * colors.length)];
const randomColor2 = colors[Math.floor(Math.random() * colors.length)];
const randomWidth = Math.random() * 3 + 1; // Between 1 and 4
const randomHeight = Math.random() * 100 + 50; // Between 50 and 150
const randomTop = Math.random() * 100; // Between 0 and 100
const randomLeft = Math.random() * 100; // Between 0 and 100
aurora.style.background = `linear-gradient(to bottom, ${randomColor1}, ${randomColor2}, rgba(0, 0, 0, 0))`;
aurora.style.width = `${randomWidth}vw`;
aurora.style.height = `${randomHeight}vh`;
aurora.style.top = `${randomTop}vh`;
aurora.style.left = `${randomLeft}vw`;
aurora.style.transformOrigin = 'top';
aurora.style.animation = `auroraAnimation ${Math.random() * 10 + 5}s linear infinite`; // Between 5 and 15 seconds
container.appendChild(aurora);
// Remove aurora after animation completes
setTimeout(() => {
container.removeChild(aurora);
}, (Math.random() * 10 + 5) * 1000);
}
// Create multiple auroras
setInterval(createAurora, 500); // Adjust interval as needed
</script>
</body>
</html>
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