Javascript Colorshifter

November 22, 2006

I wrote this little function because I wanted a little background color shifter without having to deal with a big script animation library. Really simple, and it takes some time to run through itself. I’ll rewrite it to be faster, more flexible later.

Actually I probably won’t.

Anyway, here it is, and heres a demo. Multiple clicks will get you psycho function timeouts all over the place and some strange color changes. Rad.

function colorShift(strTarget,sR,sG,sB,tR,tG,tB) {
  if(sR == tR && sG == tG && sB == tB) { return; }
  if(sR != tR) { (sR < tR) ? sR++ : sR--; }
  if(sG != tG) { (sG < tG) ? sG++ : sG--; }
  if(sB != tB) { (sB < tB) ? sB++ : sB--; }
  document.getElementById(strTarget).style.backgroundColor = "rgb("+sR+","+sG+","+sB+")";
  setTimeout("colorShift('"+strTarget+"',"+sR+","+sG+","+sB+","+tR+","+tG+","+tB+")",1);
}

Now that I look, it's sorta related to the Javascript Attention Grabber from earlier this month.

Categories: Geek
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