private HashSet <Point> GetShipRoundPoints(IShip ship)
{
var result = ship.GetPositionPoints()
.SelectMany(p => p.GetRoundPoints())
.Where(p => 0 <= p.X && p.X < Width && 0 <= p.Y && p.Y < Height)
.ToHashSet();
return(result);
}
public bool IsAlive(IShip ship)
{
if (!ships.Contains(ship))
{
throw new InvalidOperationException();
}
return(ship.GetPositionPoints().Any(p => !shots.Contains(p)));
}
private void PaintShip(Graphics graphics, IShip ship,
ISet <Domain.Point> conflictingPoints, ISet <Domain.Point> shots, bool useLight)
{
foreach (var point in ship.GetPositionPoints())
{
if (!fogOfWar || shots.Contains(point))
{
graphics.DrawShipCell(pointToRectangle[point],
useLight: useLight,
inConflict: conflictingPoints.Contains(point),
isShot: shots.Contains(point));
}
}
}