Simple Hex Color Changer w/ ColorTransform – taterboy
August 6th, 2008 | Filed under: Flash AS2 to AS3, Tips

I was first introduced to the ColorTransform class while reading the AS2 to AS3 migration documentation about setRGB(). I was immediately impressed with the features, but intimidated when I saw the constructor and all the offset, color and alpha arguments. I just needed to change the color of something, nothing special, no gradients, no alpha, no space shuttle landings, just a simple hex color change.

So here is a simple color change utility that is a lot closer to what I am used to.

[-]View Code AS
function paint(obj:Object,color:Number):void{
	var ct:ColorTransform = new ColorTransform();
	ct.color = color;
	obj.transform.colorTransform = ct;
}

source here

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2 Comments »

  1. How are you converting the hex with letters to a number?

    Comment by April — December 16, 2008 @ 7:58 pm

  2. The hex is stored as a string
    var hexStr:String = “003399″;

    When I use it with the paint method I convert it to a number like so.
    var newColor:Number = Number(”0x” + hexStr); //0×003399

    Comment by taterboy — December 16, 2008 @ 8:19 pm

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