p5模仿虫洞穿越波纹效果-html代码-BFW代码库

p5模仿虫洞穿越波纹效果

代码语言：html

所属分类：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">

<script>
window.requestAnimFrame = (function() {
  return (
    window.requestAnimationFrame ||
    window.webkitRequestAnimationFrame ||
    window.mozRequestAnimationFrame ||
    window.oRequestAnimationFrame ||
    window.msRequestAnimationFrame ||
    function(callback) {
      window.setTimeout(callback);
    }
  );
});

function init(elemid) {
  let canvas = document.getElementById(elemid),
    c = canvas.getContext("2d"),
    w = (canvas.width = window.innerWidth),
    h = (canvas.height = window.innerHeight);
  c.fillStyle = "rgba(30,30,30,1)";
  c.fillRect(0, 0, w, h);
  return {c:c,canvas:canvas};
}
</script>
<style>
body,
html {
  margin: 0px;
  padding: 0px;
  position: fixed;
  background: rgb(30,30,30);
</style>

</head>
<body translate="no">
<canvas id="canvas"></canvas>
<script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/p5.js"></script>
<script >
new p5();
window.onload = function () {

  //setting up canvas
  let c = init("canvas").c,
  canvas = init("canvas").canvas,
  w = canvas.width = window.innerWidth,
  h = canvas.height = window.innerHeight;

  class circle {
    constructor(res, seed, r) {
      this.num = Math.floor(360 / res);
      this.da = res * Math.PI / 180;
      this.s = seed;
      this.x = w / 2;
      this.y = h / 2;
      this.ox = 1000;
      this.oy = 1000;
      this.r = r;
      this.b = Math.random() * 0.9 + 0.1;
      this.offs = new Array(this.num);
      for (let i = 0; i < this.num; i++) {
        this.offs[.........完整代码请登录后点击上方下载按钮下载查看