private void Split()
{
Debug.Log("try to split");
//split into 2 small ghosts, move from center to 2 sides.
GameObject leftGhost, rightGhost;
leftGhost = Instantiate(blueGhost, transform.position, Quaternion.identity);
rightGhost = Instantiate(redGhost, transform.position, Quaternion.identity);
float heightDifference = 0.3f;
Vector2 from = (Vector2)transform.position + Vector2.down * heightDifference;
Vector2 leftDes = from + Vector2.left * (splitDistance / 2f);
Vector2 rightDes = from + Vector2.right * (splitDistance / 2f);
PetUtility.Coroutine(PetUtility.SublinearMove(from, leftDes, 0.25f, leftGhost.transform));
PetUtility.Coroutine(PetUtility.SublinearMove(from, rightDes, 0.25f, rightGhost.transform));
}
