manewcActionscript Snippets

Blur Animation with Scroll Method

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If you edit the Scroll method parameters you can easily change the horizontal and vertical direction of the blur from the image.

package
{
	import flash.display.Sprite;
	import flash.display.Loader;
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.filters.BitmapFilter;
    import flash.filters.BitmapFilterQuality;
    import flash.filters.GlowFilter;
	import flash.filters.BlurFilter;
	import flash.geom.Point;
	import flash.net.URLRequest;
	import flash.events.Event;

	public class BlurAnimation extends Sprite
	{
		private var sp:Sprite;
		private var bmd:BitmapData = new BitmapData(700, 700, true, 0x000000);
		private var blur:BlurFilter = new BlurFilter(2,10,3);
		private var imageHolder:Sprite;
		private var loader:Loader;

		public function BlurAnimation()
		{
			var isPlaying:Boolean = false;

			addEventListener(Event.ENTER_FRAME, loop);

			var bm:Bitmap = new Bitmap(bmd);
			addChild(bm);

			var sp:Sprite = new Sprite();
			addChild(sp);

			var loader:Loader = new Loader();
           //  configureListeners(loader.contentLoaderInfo);

            var request:URLRequest = new URLRequest( "http://manewc.com/projects/flash/i/wheel.png" );
            loader.load(request);

			imageHolder = new Sprite();
			addChild ( imageHolder );
			imageHolder.addChild(loader);

			sp.addChild ( imageHolder );

			sp.x = stage.stageWidth / 2 - 50;
			sp.y = stage.stageHeight / 2;
		}

		private function loop(e:Event):void
		{
			bmd.draw(this);
			bmd.applyFilter(bmd,bmd.rect,new Point(),blur);
			// first parameter is left/right, second parameter is up down
			bmd.scroll(10,-10);
		}
	}
}

Tuesday, June 17th, 2008 at 10:40 am and is filed under Actionscript 3, Image Effects. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.