JSFiddle - React, Tailwind, and code Playground
HTML
<canvas style="display:none; background-color:#000" id="canvas" width="285" height="285"></canvas>
<canvas style="display:none; background-color:#000" id="canvas3" width="570" height="570"></canvas>
<canvas id="canvas2" width="570" height="570" style="background-color:#000">*** THIS BROWSER DOES NOT SUPPORT THE CANVAS ELEMENT ***</canvas>
JavaScript
//////////////////////////////////////////////////////////////////////////////////
// A demonstration of a Canvas nebula effect
// (c) 2010 by R Cecco. <http://www.professorcloud.com>
// MIT License
//
// Please retain this copyright header in all versions of the software if
// using significant parts of it
//////////////////////////////////////////////////////////////////////////////////
$(document).ready(function(){
(function ($) {
// The canvas element we are drawing into.
var $canvas = $('#canvas');
var $canvas2 = $('#canvas2');
var $canvas3 = $('#canvas3');
var ctx2 = $canvas2[0].getContext('2d');
var ctx = $canvas[0].getContext('2d');
var w = $canvas[0].width, h = $canvas[0].height;
var img = new Image();
// A puff.
var Puff = function(p) {
var opacity,
sy = (Math.random()*285)>>0,
sx = (Math.random()*285)>>0;
this.p = p;
this.move = function(timeFac) {
p = this.p + 0.3 * timeFac;
opacity = (Math.sin(p*0.05)*0.5);
if(opacity <0) {
p = opacity = 0;
sy = (Math.random()*285)>>0;
sx = (Math.random()*285)>>0;
}
this.p = p;
ctx.globalAlpha = opacity;
ctx.drawImage($canvas3[0], sy+p, sy+p, 285-(p*2),285-(p*2), 0,0, w, h);
};
};
var puffs = [];
var sortPuff = function(p1,p2) { return p1.p-p2.p; };
puffs.push( new Puff(0) );
puffs.push( new Puff(20) );
puffs.push( new Puff(40) );
var newTime, oldTime = 0, timeFac;
var loop = function()
{
newTime = new Date().getTime();
if(oldTime === 0 ) {
oldTime=newTime;
}
timeFac = (newTime-oldTime) * 0.1;
if(timeFac>3) {timeFac=3;}
oldTime = newTime;
puffs.sort(sortPuff);
for(var i=0;i<puffs.length;i++)
{
puffs[i].move(timeFac);
}
ctx2.drawImage( $canvas[0]...