Класс грузит память, есть другие решения?

[Koopa]

Просто жутко грузит флешку! Есть идеи как уменьшить объём занимаемой памяти?
P.S. earth1.jpeg - цилиндрическая карта.

package GameObjects {
	import flash.display.Graphics;
	import flash.display.Shape;
	import flash.geom.Matrix;
	import flash.display.Loader;
	import flash.net.URLRequest;
	import flash.display.Bitmap;
	import flash.display.BitmapData;
	import flash.events.Event;
	import flash.geom.Point;
	import flash.geom.Rectangle;
	import flash.events.MouseEvent;
	import flash.system.System;
	import flash.filters.DropShadowFilter;
	public class _3D extends Shape{
		public var radius:Number;
		public var sectorsPerQuarter:uint;
		public var vertices:Vector.<Number>=new Vector.<Number>();
		public var indices:Vector.<int>=new Vector.<int>();
		public var uvtData:Vector.<Number>=new Vector.<Number>();
		public var matrix:Matrix=new Matrix();
		public var image:BitmapData;
		public function _3D():void {
 
		}
		public function drawSphere3(radius:Number=10,sectorsPerQuarter:uint=10):_3D{
			this.radius=radius;
			this.sectorsPerQuarter=sectorsPerQuarter;
			var loader:Loader=new Loader();
			var request1:URLRequest=new URLRequest("earth1.jpeg");
			loader.load(request1);
			loader.contentLoaderInfo.addEventListener(Event.COMPLETE,loadComplete);
			return this;
		}
		private function loadComplete(e:Event):void{
			graphics.beginBitmapFill(e.target.content.bitmapData);
			image=e.target.content.bitmapData;
			var simpleAngle:Number=((180/(2*sectorsPerQuarter))*(Math.PI/180));
			var currentRadius:Number;
			radius*=20;
			var angle:Number;
			var line:Number=0;
			var point:Point=new Point();
			var yCount:uint=0;
			e.target.removeEventListener(Event.COMPLETE,loadComplete);
			for(var i:Number=-(simpleAngle*sectorsPerQuarter);i<=(simpleAngle*sectorsPerQuarter);i+=simpleAngle){
				line=Math.sin(i)*radius;
				currentRadius=Math.cos(i)*radius;
				var xCount:uint=0;
				for (var j:Number=-(simpleAngle*sectorsPerQuarter);j<=(simpleAngle*sectorsPerQuarter);j+=simpleAngle){
					point.x=Math.sin(j)*currentRadius;
					point.y=line;
					vertices.push(point.x,point.y);
					uvtData.push(xCount/(4*sectorsPerQuarter),yCount/(2*radius)-.05,1);
					xCount++;
					yCount++;
				}
			}
			for (i=0;i<(vertices.length-(sectorsPerQuarter*2+1));i++){
				if(i%(sectorsPerQuarter*2+1)!=20 && (i+1)%(sectorsPerQuarter*2+1)!=0){
					indices.push(i,i+1,i+(sectorsPerQuarter*2+1), i+1,i+(sectorsPerQuarter*2+1),i+(sectorsPerQuarter*2+2));
				}
			}
			graphics.drawTriangles(vertices,indices,uvtData);
			this.shadowPlanet();
			addEventListener(Event.ENTER_FRAME,rotate);
		}
		public function shadowPlanet(image:BitmapData=null):void{
			var filter:DropShadowFilter=new DropShadowFilter();
			var filter2:DropShadowFilter=new DropShadowFilter();
			filter.distance=50;
			filter2.distance=100;
			filter.angle=0;
			filter2.angle=180;
			filter.alpha=.7;
			filter2.alpha=.4;
			filter.color=0x000000;
			filter2.color=0xffffff;
			filter.blurX=50;
			filter2.blurX=100;
			filter.inner=true;
			filter2.inner=true;
			this.filters=[filter,filter2];
		}
		private function rotate(e:Event):void{
			graphics.clear();
			graphics.beginBitmapFill(image/*,matrix*/);
 
			for(var i:uint=0;i<uvtData.length;i+=3){
				uvtData[i]+=.01;
			}
			graphics.drawTriangles(vertices,indices,uvtData);
			graphics.endFill();
		}
	}
}

P.S.S. Вызов:

var planet:_3D=new _3D();
			planet.drawSphere3();
			var k=addChild(planet);