js实现canvas粒子立体球转动效果代码-html代码-BFW代码库

js实现canvas粒子立体球转动效果代码

代码语言：html

所属分类：粒子

代码描述：js实现canvas粒子立体球转动效果代码

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>
html,
body {
  background: #111;
  text-align: center;
}

canvas {
  margin: 0 auto;
  box-sizing: content-box;
}
</style>

</head>

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

      <script >
var canvas,
ctx,
sphere = new Sphere3D(40),
distance = 300,
mouse = {
  down: false,
  button: 1,
  x: 0,
  y: 0,
  px: 0,
  py: 0 },

modify = 1;

window.requestAnimFrame =
window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function (callback) {
  window.setTimeout(callback, 1000 / 60);
};

Number.prototype.clamp = function (min, max) {
  return Math.min(Math.max(this, min), max);
};

function Point3D() {
  this.x = 0;
  th.........完整代码请登录后点击上方下载按钮下载查看