[divinus]

public class Test extends Sprite {
 
		public function Test() {
 
			super.stage.scaleMode = StageScaleMode.NO_SCALE;
			super.stage.align = StageAlign.TOP_LEFT;
 
			this._ball = new Shape();
			with (this._ball.graphics) {
				lineStyle(0, 0, 0);
				beginFill(0);
				drawCircle(50, 50, 50);
				endFill();
			}
			super.addChild(this._ball);
 
			this._ball.x = (super.stage.stageWidth-this._ball.width)>>1;
			this._ball.y = (super.stage.stageHeight-this._ball.height)>>1;
 
			super.stage.addEventListener(Event.RESIZE, this.handler_stageResize);
		}
 
		private var _ball:Shape;
 
		private function handler_stageResize(event:Event):void {
			this._ball.x = (super.stage.stageWidth-this._ball.width)>>1;
			this._ball.y = (super.stage.stageHeight-this._ball.height)>>1;
		}
	}