void Start()
{
shadowController = GetComponentInChildren <ShadowController> ();
shadowBox = dropShadow.GetComponent <BoxCollider2D> ();
boxCollider = GetComponent <BoxCollider2D> ();
boxRB = GetComponent <Rigidbody2D> ();
// CalculateShadowTrajectory ();
shadowController.SetVelocity(Vector3.forward * boxRB.velocity.y);
shadowController.Drop();
strikeTime = Time.time + airTime;
midPointTime = strikeTime - (airTime * 0.5f);
grounded = false;
}