void FixedUpdate()
{
Vector2 exitCenter = new Vector2(transform.position.x, transform.position.y) + boxCollider.offset;
RaycastHit2D[] hits = Physics2D.BoxCastAll(exitCenter, boxCollider.size, 0.0f, Vector3.zero, 1.0f, exitMask);
foreach (RaycastHit2D hit in hits)
{
Throwable toThrow = hit.collider.GetComponent <Throwable> ();
if (toThrow != null)
{
if (toThrow.isBeingCarried)
{
toThrow.GetCarrier().DropItem();
}
if (toThrow is Box)
{
(toThrow as Box).ExitBox();
exitBlast.Play();
}
else // its a robot
{
(toThrow as Robot).ExitRobot();
}
}
}
}