canvas绿色圆点粒子气泡发送动画效果代码-html代码-BFW代码库

canvas绿色圆点粒子气泡发送动画效果代码

代码语言：html

所属分类：粒子

代码描述：canvas绿色圆点粒子气泡发送动画效果代码

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>
<head>
<meta charset="utf-8">
<title></title>

<style>
html, body {
  background: black;
}
</style>

</head>
<body>

<script>
!function(){"use strict";var r=.5*(Math.sqrt(3)-1),e=(3-Math.sqrt(3))/6,t=1/6,a=(Math.sqrt(5)-1)/4,o=(5-Math.sqrt(5))/20;function i(r){var e;e="function"==typeof r?r:r?function(){var r=0,e=0,t=0,a=1,o=(i=4022871197,function(r){r=r.toString();for(var e=0;e<r.length;e++){var t=.02519603282416938*(i+=r.charCodeAt(e));t-=i=t>>>0,i=(t*=i)>>>0,i+=4294967296*(t-=i)}return 2.3283064365386963e-10*(i>>>0)});var i;r=o(" "),e=o(" "),t=o(" ");for(var n=0;n<arguments.length;n++)(r-=o(arguments[n]))<0&&(r+=1),(e-=o(arguments[n]))<0&&(e+=1),(t-=o(arguments[n]))<0&&(t+=1);return o=null,function(){var o=2091639*r+2.3283064365386963e-10*a;return r=e,e=t,t=o-(a=0|o)}}(r):Math.random,this.p=n(e),this.perm=new Uint8Array(512),this.permMod12=new Uint8Array(512);for(var t=0;t<512;t++)this.perm[t]=this.p[255&t],this.permMod12[t]=this.perm[t]%12}function n(r){var e,t=new Uint8Array(256);for(e=0;e<256;e++)t[e]=e;for(e=0;e<255;e++){var a=e+~~(r()*(256-e)),o=t[e];t[e]=t[a],t[a]=o}return t}i.prototype={grad3:new Float32Array([1,1,0,-1,1,0,1,-1,0,-1,-1,0,1,0,1,-1,0,1,1,0,-1,-1,0,-1,0,1,1,0,-1,1,0,1,-1,0,-1,-1]),grad4:new Float32Array([0,1,1,1,0,1,1,-1,0,1,-1,1,0,1,-1,-1,0,-1,1,1,0,-1,1,-1,0,-1,-1,1,0,-1,-1,-1,1,0,1,1,1,0,1,-1,1,0,-1,1,1,0,-1,-1,-1,0,1,1,-1,0,1,-1,-1,0,-1,1,-1,0,-1,-1,1,1,0,1,1,1,0,-1,1,-1,0,1,1,-1,0,-1,-1,1,0,1,-1,1,0,-1,-1,-1,0,1,-1,-1,0,-1,1,1,1,0,1,1,-1,0,1,-1,1,0,1,-1,-1,0,-1,1,1,0,-1,1,-1,0,-1,-1,1,0,-1,-1,-1,0]),noise2D:function(t,a){var o,i,n=this.permMod12,f=this.perm,s=this..........完整代码请登录后点击上方下载按钮下载查看