topical media & game development
#graphic-flex-image-effects-07-source-aether-effects-texture-NoiseEffect.ax
#graphic-flex-image-effects-07-source-aether-effects-texture-NoiseEffect.ax
[swf]
[flash]
flex
package aether.effects.texture {
import aether.effects.ImageEffect;
import flash.display.BitmapData;
import flash.display.BlendMode;
import flash.geom.ColorTransform;
import flash.geom.Matrix;
public class @ax-graphic-flex-image-effects-07-source-aether-effects-texture-NoiseEffect extends ImageEffect {
private var _strength:Number;
public function @ax-graphic-flex-image-effects-07-source-aether-effects-texture-NoiseEffect(strength:Number=1, blendMode:String=null, alpha:Number=1) {
init(blendMode, alpha);
_strength = strength;
}
override protected function applyEffect(bitmapData:BitmapData):void {
var noise:BitmapData = new BitmapData(bitmapData.width, bitmapData.height, true, 0x00000000);
noise.fillRect(noise.rect, 0xFFFFFF);
var seed:uint = (Math.random()*1000)|0;
noise.noise(seed, 0, 255, 1, true);
var colorTransform:ColorTransform = new ColorTransform(1, 1, 1, _strength, 0, 0, 0, 0);
bitmapData.draw(noise, new Matrix(), colorTransform, BlendMode.MULTIPLY);
}
}
}
(C) Æliens
04/09/2009
You may not copy or print any of this material without explicit permission of the author or the publisher.
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