Rotate.as

private function rotate(mc:MovieClip):Point
{	
	var o:Object = { x:mc.x, y:mc.y };
	var q:Object = {};
	var r:Number = mc.rotation;
	
	r = r / 180 * Math.PI;
	
	q.x = (Math.cos(r) * o.x) - (Math.sin(r) * o.y);
	q.y = (Math.sin(r) * o.x) + (Math.cos(r) * o.y);
	
	return new Point(q.x, q.y);
}