package com.mrdoob.display
{
	import flash.display.Sprite;
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.filters.BlurFilter;
	import flash.events.Event;
	import flash.geom.Rectangle;
	import flash.geom.Point;

	public class Blobalise extends Sprite
	{
		private var target			:Sprite;
		
		private var render			:Bitmap;
				
		private var renderWidth		:Number;
		private var renderHeight	:Number;
		
		public function Blobalise( _target:Sprite, _renderWidth:Number, _renderHeight:Number, _autoUpdate:Boolean )
		{
			target = _target;
			renderWidth = _renderWidth;
			renderHeight = _renderHeight;
			
			render = new Bitmap( new BitmapData( renderWidth, renderHeight, false, 0x00FFFFFF ) );
			addChild(render);
			
			if (_autoUpdate)
				addEventListener( Event.ENTER_FRAME, update );
			
		}

		public function update(e:Event):void
		{
			render.bitmapData = new BitmapData( renderWidth, renderHeight, false, 0x00FFFFFF );			
			render.bitmapData.draw(target,null,null,null,new Rectangle(0,0,renderWidth,renderHeight),false);
			render.bitmapData.applyFilter(render.bitmapData,new Rectangle(0,0,renderWidth, renderHeight),new Point(0,0),new BlurFilter(20,20,2));
			render.bitmapData.threshold(render.bitmapData,new Rectangle(0,0,renderWidth, renderHeight),new Point(0,0),"<",0x00E0E0E0,0xFF000000,0x00FF0000,true)
		}

	}
}