CSS+Canvas绘制最美星空(一闪一闪亮晶晶效果+流星划过)

果粒橙er

于 2024-05-29 17:25:33 发布

阅读量1.2k

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文章标签： css 前端

本文链接：https://blog.youkuaiyun.com/MissChengispink/article/details/139301411

版权

1.效果

在这里插入图片描述

2.代码

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <style>
    body,
    html {
   
      margin: 0;
      padding: 0;
      overflow: hidden;
    }

    body {
   
      background: #000;
    }

    canvas {
   
      width: 100%;
      height: 100vh;
      display: block;
    }
  </style>
  <title>星空</title>
</head>

<body>
  <canvas id="canvas"></canvas>

  <script>
    const canvas = document.getElementById('canvas');
    const ctx = canvas.getContext('2d');
    canvas.width = window.innerWidth;
    canvas.height = window.innerHeight;

    class Star {
   
      constructor(x, y, brightness, type) {
   
        this.x = x;
        this.y = y;
        this.brightness = brightness;
        this.alpha = 1;
        this.fade = Math.random() * 0.05 + 0.01;
        this.type

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