private void TryShoot()
 {
     if (lastShotTime + shootCoolDown < Time.time)
     {
         lastShotTime = Time.time;
         BossBullet bullet = Instantiate(prefabBossBullet, bulletSpawnPoint.transform.position, bulletSpawnPoint.transform.rotation, null);
         bullet.Fire(shotdamage, shotSpeed);
     }
 }