/* Shooting Damage */
    void OnCollisionEnter(Collision collision) {

        //Tank
        if(collision.gameObject.tag == "Tank"){
           tankHealth = collision.gameObject.GetComponent<TankHealth>();

           if(tankHealth != null)
              tankHealth.TakingDamage(shootingDamage);
        }

        //TTurret
        if(collision.collider.tag == "TTurret") {
           Transform turret = collision.collider.transform;

           if(turret)
              turret.GetComponent<Tank_AutoTurret>().TakingDamage(shootingDamage);
        }

        Destroy(gameObject);
    }