Получение Спрайта через Stage

[fd96]

Почему не могу получить Trace?
Базовый Класс:

package
{
 
	import flash.display.*;
	import flash.events.*;
	import flash.events.KeyboardEvent;
	import flash.text.TextField;
	import flash.text.engine.TextBlock;
	import flash.text.engine.TextElement;
	import flash.ui.*;
	import flash.utils.*;
 
	import mx.core.*;
 
	public class Game1 extends Sprite
	{
		import flash.net.*;
		import flash.utils.*;
		public var spr1:Sprite = new Sprite; 
		public var spr2:Sprite = new Sprite;
		public var wall1:Shape = new Shape;
		public var wall2:Shape = new Shape;
		public var wall3:Shape = new Shape;
		public var dnco:Shape = new Shape;
		public var rico:Shape = new Shape;
		public var leco:Shape = new Shape;
		public var upco:Shape = new Shape;
		public var jump:Boolean = false;
		public var jmpc:Number = 0;
		public var col:Collision = new Collision();
		public var verwall:Array = [];        
		public var keyri:uint = 39;
		public var recive:String = "";
		public var keyle:uint = 37;
		public var connect:Socket = new Socket();
		public var keypri:Boolean = false;
		public var keyple:Boolean = false;
		public function Game1()
		{
			spr1.graphics.beginFill(0x666666, 1);
			spr1.graphics.drawRect(-300, 0, 1600,1400);
			spr1.graphics.endFill();
			addChild(spr1);
			spr1.name="spr1";
			spr2.width=30;
			spr2.height=50;
			spr2.graphics.beginFill(0x0099ff, 1);
			spr2.graphics.drawRect(0, 0,30 ,50);
			spr2.graphics.endFill();
			spr2.x=30;
			spr2.width=30;
			spr2.height=50
			spr2.y=250;
			wall1.graphics.beginFill(0x222222, 1);
			wall1.graphics.drawRoundRect(-300, 0,1800 ,1600,2,2);
			wall1.graphics.endFill();
			wall1.x=0;
			wall1.y=350;
			wall1.width=600;
			wall1.height=50;
			addChild(wall1);
			dnco.graphics.beginFill(0x222222, 1);
			dnco.graphics.drawRoundRect(5, 45,25 ,10, 2, 2);
			dnco.graphics.endFill();
			dnco.x=5;
			dnco.y=0;
			dnco.width=20;
			dnco.height=5;
			upco.graphics.beginFill(0x222222, 1);
			upco.graphics.drawRoundRect(0, 0,1800 ,1600, 2, 2);
			upco.graphics.endFill();			
			upco.x=5;
			upco.y=0;
			upco.width=20;
			upco.height=5;
			leco.graphics.beginFill(0x222222, 1);
			leco.graphics.drawRoundRect(0, 5,5 ,40, 2, 2);
			leco.graphics.endFill();
			leco.x=0;
			leco.y=5;
			leco.width=5;
			leco.height=40;
			rico.graphics.beginFill(0x222222, 1);
			rico.graphics.drawRoundRect(0, 0,1800 ,1600, 2, 2);
			rico.graphics.endFill();
			rico.x=25;
			rico.y=5;
			rico.width=5;
			rico.height=40;
			spr2.addChild(leco);
			spr2.addChild(rico);
			spr2.addChild(upco);
			spr2.addChild(dnco);
			spr1.addChild(spr2);
			spr2.name="spr2";
			wall1.name="wall1";
			dnco.name="dnco";
			rico.name="rico";
			leco.name="leco";
			upco.name="upco";	
			stage.addEventListener(KeyboardEvent.KEY_DOWN, onkey);
			stage.addEventListener(KeyboardEvent.KEY_UP, onup);
			stage.addEventListener(Event.ENTER_FRAME, frasher);
			start();
		}
		public function start():void
		{
			var col:Collision = new Collision();
			jmpc=spr1.y-40;
			col.level.push(wall1);
 
		}
		public function jumpanim():void
		{
			if((jump == true) && (col.coldn == true))
			{
				(jmpc=(spr1.y-40));
			}
			if((jump == true) && (jmpc>spr2.y) && (col.coldn == true))
			{
				jump=false;
			}
		}
		public function onup(event:KeyboardEvent):void
		{
			if(event.keyCode == keyri)
			{
				keypri = false;
			}
			if(event.keyCode == keyle)
			{
				keyple = false;
			}
		}
 
		public function onkey(event:KeyboardEvent):void
		{
			if((event.keyCode == Keyboard.RIGHT) && (spr2.x <= 594) && (col.colri == false))
			{
				(spr2.x=(spr2.x+5));
				keypri=true;
			}
			if((event.keyCode == Keyboard.LEFT) && (spr2.x >= 0) && (col.colle == false))
			{
				(spr2.x=(spr2.x-5));
				keyple=true;
			}
			if((event.keyCode == Keyboard.UP) && (jump == false) && (col.coldn == true) && (col.colup == false))
			{
				jump=true;
				jumpanim();
			}
		}
 
		public function frasher(event:Event):void
		{
			if((spr2.x > 0) && (col.coldn == false) && (jump == false))
			{
				spr2.y=(spr2.y + 4);
			}
			if((keypri == true) && (spr2.x >= 0) && (spr2.x <= 620) && (col.colri == false))
			{
				(spr2.x=(spr2.x+5));
			}
			if((keyple == true) && (spr2.x >= 0) && (spr2.x <= 620) && (col.colle == false))
			{
				(spr2.x=(spr2.x-5));
			}
 
			if((jump == true) && (spr2.y<jmpc))
			{
				jump = false;
			}
			else if(jump == true)
			{
				(spr2.y=(spr2.y-8));
			}
			if(col.colle == true)
			{
				jump=false;
				keypri=false;
				keyple=false;
				while(col.colle == false)
				{
					spr2.x=(spr2.x+4);
				}
			}
			if(col.colri == true)
			{
				jump=false;
				keypri=false;
				keyple=false;
				while(col.colri == false)
				{
					spr2.x=(spr2.x-4);
				}
			}
		}
	}
}

Класс с Trace:

package
{
	import flash.display.*;
	import flash.events.*;
	import flash.events.Event;
	import flash.events.IEventDispatcher;
	import flash.events.KeyboardEvent;
	import flash.ui.*;
	public dynamic class Collision extends Sprite
	{
		public var main:Game1;
		public var i:int = 0;
		public var level:Array = [];
		public var coldn:Boolean = false;
		public var colup:Boolean = false;
		public var colri:Boolean = false;
		public var colle:Boolean = false;
		public function Collision()
		{
			if (stage) init();
			else addEventListener(Event.ADDED_TO_STAGE, init);
		}
 
		private function init(e:Event = null):void 
		{	
			removeEventListener(Event.ADDED_TO_STAGE, init);
			stage.addEventListener(Event.ENTER_FRAME, collis);
		}
		public function collis(event:Event):void
		{
			trace(stage.getChildAt(2) as String);
}