Created
April 29, 2015 19:55
-
-
Save nijotz/00350b4c20d90a715701 to your computer and use it in GitHub Desktop.
Some thing from Listserve
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
((function(f){"use strict";var bdy=window.top.document.body;bdy.innerHTML="";bdy.style.backgroundRepeat="repeat";var c=document.createElement("canvas");var d=c.getContext('2d');var e="";c.width=f;c.height=f;var g=d.createImageData(f,f);var h=[f*f];var i=[];var j=function(z){var a=g.data;for(var x=0;x<f;x++){for(var y=0;y<f;y++){var b=(x+y*f)*4;a[b+0]=(h[b].r*z)%255;a[b+1]=(h[b].g*z)%255;a[b+2]=(h[b].b*z)%255;a[b+3]=255}}d.putImageData(g,0,0);e=c.toDataURL();i.push('url('+e+')')};var k=0,dir=1;var l=function(){bdy.style.backgroundImage=i[k];k+=dir;if(k===f)dir=-1;if(k===0)dir=1};for(var x=0;x<f;x++){for(var y=0;y<f;y++){var m=(x+y*f)*4;h[m]={r:parseInt((x^y)),g:parseInt((x|y)),b:parseInt((x&y))}}}for(var z=0;z<f;z++){j(z)}setInterval(l,200)})(300)) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment