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);
}