private void AnimateClearingCup (BeerPongCup hitCup) {
dictCup.Remove (hitCup.cupNumber);
MeshCollider collider = hitCup.GetComponentInChildren<MeshCollider> ();
collider.convex = true;
collider.gameObject.transform.position += Vector3.up * 0.5f * hitCup.GetComponentInChildren<Renderer> ().bounds.size.y;
collider.gameObject.AddComponent<Rigidbody> ().velocity = -Physics.gravity * 0.5f;
collider.GetComponent<Rigidbody> ().mass = 0.2f;
threwCup = false;
}