Add some BitmapData noise to your Bitmap.
package
{
import flash.display.Sprite;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.BitmapDataChannel;
public class BitmapDataNoise extends Sprite
{
var bmd:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight);
public function BitmapDataNoise()
{
var noiserate:int = int(Math.random() * int.MAX_VALUE);
bmd.noise(noiserate, 0, 0xFF, BitmapDataChannel.RED, false);
var bitmap:Bitmap = new Bitmap(bmd);
addChild(bitmap);
}
}
}
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