public void Add(Ship ship)
{
if (ship.X < POSITION_MIN || ship.EndX > POSITION_MAX ||
ship.Y < POSITION_MIN || ship.EndY > POSITION_MAX)
{
throw new ArgumentOutOfRangeException();
}
for (int i = 0; i < ships.Count; i++)
{
if (ship.OverlapsWith(ships[i]))
{
throw new ShipOverlapException();
}
}
ships.Add(ship);
}