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twice, etc)
* brt - brightness (0-255, 0 => black, 255 => full color)
* spd - how many ms between moveRainbow calls (less => faster)
* hspd - how many hue degrees to move every time moveRainbow is called (0-359, closer to 180 => faster)
*/
function RainbowSpan(span, hue, deg, brt, spd, hspd) {
this.deg=(deg==null?360:Math.abs(deg));
this.hue=(hue==null?0:Math.abs(hue)%360);
this.hspd=(hspd==null?3:Math.abs(hspd)%360);
this.length=span.firstChild.data.length;
this.span=span;
this.speed=(spd==null?50:Math.abs(spd));
this.hInc=this.deg/this.length;
this.brt=(brt==null?255:Math.abs(brt)%256);
this.timer=null;
toSpans(span);
this.moveRainbow();
}
/*
* sets the colors of the children of [this] as a hue-rotating rainbow starting at this.hue;
* requires something to manage ch externally
* I had to make the RainbowSpan class because M$IE wouldn't let me attach this prototype to [Object]
*/
RainbowSpan.prototype.moveRainbow = function() {
if(this.hue>359) this.hue-=360;
var color;
var b=this.brt;
var a=this.length;
var h=this.hue;
for(var i=0; i359) h-=360;
if(h<60) { color=Math.floor(((h)/60)*b); red=b;grn=color;blu=0; }
else if(h<120) { color=Math.floor(((h-60)/60)*b); red=b-color;grn=b;blu=0; }
else if(h<180) { color=Math.floor(((h-120)/60)*b); red=0;grn=b;blu=color; }
else if(h<240) { color=Math.floor(((h-180)/60)*b); red=0;grn=b-color;blu=b; }
else if(h
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var r1=document.getElementById("r1"); //get span to apply rainbow
var myRainbowSpan=new RainbowSpan(r1, 0, 360, 255, 50, 18); //apply static rainbow effect
myRainbowSpan.timer=window.setInterval("myRainbowSpan.moveRainbow()", myRainbowSpan.speed);
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var r2=document.getElementById("r2"); //get span to apply rainbow
var myRainbowSpan2=new RainbowSpan(r2, 0, 360, 255, 50, 348); //apply static rainbow effect
myRainbowSpan2.timer=window.setInterval("myRainbowSpan2.moveRainbow()", myRainbowSpan2.speed);
Super Kodlar
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