canvas卷积动画效果代码-html代码-BFW代码库

canvas卷积动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas卷积动画效果代码

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>
body {
            font-family: Arial, Helvetica, "Liberation Sans", FreeSans, sans-serif;
            background-color: #000;
            margin: 0;
            padding: 0;
            border-width: 0;
            cursor: pointer;
            caret-color: transparent;
        }
</style>




</head>

<body >
  

  
      <script >
window.addEventListener("load", function () {
  "use strict";

  let canv, ctx; // canvas and context
  let maxx, maxy; // canvas dimensions

  let radius, x0, y0, x1, y1, nbPts, theta;
  let grid, nbx, nby;

  // for animation
  let events;
  let ui, uiv;
  let rotSpeed = 0.3 / 1000; // rotation speed, in radians / ms
  let rotColor = "#0ff";

  // shortcuts for Math.
  const mrandom = Math.random;
  const mfloor = Math.floor;
  const mround = Math.round;
  const mceil = Math.ceil;
  const mabs = Math.abs;
  const mmin = Math.min;
  const mmax = Math.max;

  const mPI = Math.PI;
  const mPIS2 = Math.PI / 2;
  const mPIS3 = Math.PI / 3;
  const m2PI = Math.PI * 2;
  const m2PIS3 = Math.PI * 2 / 3;
  const msin = Math.sin;
  const mcos = Math.cos;
  const mtan = Math.tan;
  const matan2 = Math.atan2;

  const mhypot = Math.hypot;
  const msqrt = Math.sqrt;

  const sqrt3 = msqrt(3);
  const hsqrt3 = msqrt(3) / 2;

  //------------------------------------------------------------------------

  fu.........完整代码请登录后点击上方下载按钮下载查看