private void CrateDead(Vector2 xhairPos)       // Compare crate location to crosshair location.
 {
     if (!isDead)
     {
         float dist = Vector3.Distance(gameObject.transform.position, xhairPos);
         if (dist <= 0.5f)
         {
             isDead = true;
             _shoot.AmmoPickup();
             Destroy(gameObject);
         }
     }
 }