IEnumerator Move(GameObject objectToMove, Vector3 pos1, Vector3 pos2, AnimationCurve ac, float time) {
         float timer = 0.0f;
         while (timer <= time) {
             objectToMove.transform.position = Vector3.Lerp (pos1, pos2, ac.Evaluate(timer/time));
             timer += Time.deltaTime;
             yield return null;
         }
     }