private void Torpedo(Raigeki torpedo, int friendFleetIndex = 0, int enemyFleetIndex = 0) { if (torpedo == null) return; var friendDamage = torpedo.GetFriendDamages(); var enemyDamage = torpedo.GetEnemyDamages(); this.FriendFleet.Fleets[friendFleetIndex].CalcDamages(friendDamage); this.EnemyFleet.Fleets[enemyFleetIndex].CalcDamages(enemyDamage); }