starling TouchEvent

private var beginY:Number;
private function touchEventHandler(e:TouchEvent):void
{
			
	// TODO Auto Generated method stub
	var touch:Touch = e.getTouch(e.target as DisplayObject);
	if(touch)
	{
		if(touch.phase == TouchPhase.BEGAN)beginY = touch.globalY;
		else if(touch.phase == TouchPhase.ENDED)
		{
			if((touch.globalY - beginY) > 0)
			{
				trace("scroll down");
			}
			else if((touch.globalY - beginY) < 0)
			{
				trace("scroll up");
			}
		}
	}
}