canvas多款飘动的云层之上流星雨夜景动画效果代码-html代码-BFW代码库

canvas多款飘动的云层之上流星雨夜景动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas多款飘动的云层之上流星雨夜景动画效果代码，单击鼠标可切换不同的景色动画。

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="en">

<head>

    <meta charset="UTF-8">


</head>

<body>



    <script>
        document.body.style = "background:#000;overflow:hidden;margin:0";const t = document.createElement("canvas");t.style = "position:absolute;transform:translate(-50%,0%);left:50%;height:100%", document.body.appendChild(t);const e = (t = 1, e = 0) => e + (t - e) * Math.random(),i = (t, e = 0, i = 1) => t < e ? e : t > i ? i : t;let r = 1;const a = (t = 1, e = 0) => (r ^= r << 13, r ^= r >>> 17, r ^= r << 5, e + (t - e) * Math.abs(r % 1e9) / 1e9);class o {constructor(t = 1, e = 1, i = 1, r = 1) {this.r = t, this.g = e, this.b = i, this.a = r;}copy() {return new o(this.r, this.g, this.b, this.a);}add(t) {return new o(this.r + t.r, this.g + t.g, this.b + t.b, this.a + t.a).........完整代码请登录后点击上方下载按钮下载查看