private void OnParticleCollision(GameObject other)
 {
     if (other.GetComponent <PlayerController>())
     {
         return;
     }
     if (health.GetHealth() <= 0)
     {
         Destroy(gameObject);
         GameObject deathVFX = Instantiate(deathExplosion, transform.position, Quaternion.identity) as GameObject;
         deathVFX.transform.parent = parent;
         Destroy(deathVFX, 1.5f);
         scoreHandler.AddToScore(score);
     }
     health.DealDamage(player.GetBulletDamage());
 }