原生js实现多彩铁球摆动动画效果代码-html代码-BFW代码库

原生js实现多彩铁球摆动动画效果代码

代码语言：html

所属分类：动画

代码描述：原生js实现多彩铁球摆动动画效果代码

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="en" >

<head>

  <meta charset="UTF-8">
  

  
  
<style>
* {
  margin: 0;
  padding: 0;
}

html,
body {
  overflow: hidden;
}

body {
  position: relative;
}
</style>



</head>

<body>

      <script>


/*
     Common Tool.
   */

class Tool {
  // random number.
  static randomNumber(min, max) {
    return Math.floor(Math.random() * (max - min + 1) + min);
  }
  // random color rgb.
  static randomColorRGB() {
    return (
      "rgb(" +
      this.randomNumber(0, 255) +
      ", " +
      this.randomNumber(0, 255) +
      ", " +
      this.randomNumber(0, 255) +
      ")");

  }
  // random color hsl.
  static randomColorHSL(saturation, lightness) {
    return (
      "hsl(" +
      this.randomNumber(0, 360) +
      ", " +
      saturation +
      "%, " +
      lightness +
      "%)");

  }
  // gradient color.
  static gradientColor(ctx, cr, cg, cb, ca, x, y, r) {
    const col = cr + "," + cg + "," + cb;
    const g = ctx.createRadialGradient(x, y, 0, x, y, r);
    g.addColorStop(0, "rgba(" + c.........完整代码请登录后点击上方下载按钮下载查看