canvas实现蓝色彩带飘动背景动画效果代码-html代码-BFW代码库

canvas实现蓝色彩带飘动背景动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas实现蓝色彩带飘动背景动画效果代码

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;
  box-sizing: border-box;
}

body {
  background-color: #000;
  overflow: hidden;
}

#holder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
</style>

</head>
<body>
<!-- partial:index.partial.html -->
<div id="holder"></div>
<!-- partial -->
  <script  >
      
      (function () {

  var pi = Math.PI;
  var pi2 = 2 * Math.PI;

  this.Waves = function (holder, options) {
    var Waves = this;

    Waves.options = extend(options || {}, {
      resize: false,
      rotation: 45,
      waves: 5,
      width: 100,
      hue: [11, 14],
      amplitude: 0.5,
      background: true,
      preload: true,
      speed: [0.004, 0.008],
      debug: false,
      fps: false,
    });

    Waves.waves = [];

    Waves.holder = document.querySelector(holder);
    Waves.canvas = document.createElement('canvas');
    Waves.ctx = Waves.canvas.getContext('2d');
    Waves.holder.appendChild(Waves.canvas);

    Waves.hue = Waves.options.hue[0];
    Waves.hueFw = true;
    Waves.stats = new Stats();

    Waves.resize();
    Waves.init(Waves.options.preload);

    if (Waves.options.resize)
      window.addEventListener('resize', function () {
        Waves.resize();
      }, false);

  .........完整代码请登录后点击上方下载按钮下载查看