canvas实现彩色线条流动曲线动画效果代码-html代码-BFW代码库

canvas实现彩色线条流动曲线动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas实现彩色线条流动曲线动画效果代码，有点像艺术家笔下的画作

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;
}
</style>

  
</head>

<body translate="no">
  
  
      <script >
"use strict";



const nbEddies = 7;
const nbParticles = 1003; // number of particles
const lifeTime = 1000; // average lifetime of particles
let noGen;
let canv, ctx; // canvas and drawing context
let maxx, maxy; // size of client Window
let lRef, rWidth, rHeight;

let eddies; // array of eddies
let particles; // array of particles

let messages; // ID provided by window.requestAnimationFrame();
let globHue;
let tbCells, cells, kcell;
let ncx, ncy;

/* shortcuts for Math */

const mrandom = Math.random; // see above alternative function for reproductible results
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 m2PI = Math.PI * 2;
const msin = Math.sin;
const mcos = Math.cos;
const matan2 = Math.atan2;
const mexp = Math.exp;

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

//-----------------------------------------------------------------------------
// miscellaneous functions
//-----------------------------------------------------------------------------

function alea(min, max) {
  // random number [min..max[ . If no max is provided, [0..min[

  if (type.........完整代码请登录后点击上方下载按钮下载查看