js实现创意液体融合波纹动画效果代码-html代码-BFW代码库

js实现创意液体融合波纹动画效果代码

代码语言：html

所属分类：动画

代码描述：js实现创意液体融合波纹动画效果代码

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 {
  background-color: #000;
  margin: 0;
  overflow: hidden;
  background-repeat: no-repeat;
}
canvas {
  position : absolute;
}
</style>



</head>

<body  >
  

  
 <script >
"use strict";

let canv, gl;
let animState;
let maxx, maxy;
let midx, midy;

let widthHandle, heightHandle;
let pHandle, f;
let p = [];

const ORDER = 10;

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 m2PI = Math.PI * 2;
const msin = Math.sin;
const mcos = Math.cos;
const matan2 = Math.atan2;

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 (typeof max == 'undefined') return min * mrandom();
  return min + (max - min) * mrandom();
}

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

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

  if (typeof max == 'undefined') {
    max = min;min = 0;
  }
  return mfloor(min + (max - min) * mrandom());
} // intAlea

// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
function distance(p0, p1) {

  /* distance between points */

  return mhypot(p0[0] - p1[0], p0[1] - p1[1]);

} // function distance

/*	============================================================================
	This is based upon Johannes Baagoe's carefully .........完整代码请登录后点击上方下载按钮下载查看