OverGUI

	void  Update () {

//		if (Input.GetMouseButton(0) && sliderRect.Contains (Input.mousePosition)) {
//			Debug.Log ("Over GUI");
//		} else {
//			Debug.Log ("NOT Over GUI");

			if (Input.GetMouseButtonDown(0)) {
				previousMousePos = Input.mousePosition;
			} else {
				deltaPos = Vector3.zero;
			}

			if (Input.GetMouseButton(0)) {
				deltaPos = Input.mousePosition - previousMousePos;
				previousMousePos = Input.mousePosition;
				Vector3 newRotation = Vector3.zero;
				newRotation.x = -deltaPos.y * sensitivity;
				newRotation.y = -deltaPos.x * sensitivity;
				thisTransform.Rotate (newRotation, Space.World);
			}
//		}
	}
}