protected Coordinate GetNeighborCoordinate(Coordinate position, WangDirection direction)
{
int x = position.X;
int y = position.Y;
return(direction switch
{
WangDirection.North => new Coordinate(x, y - 1),
WangDirection.NorthEast => new Coordinate(x + 1, y - 1),
WangDirection.East => new Coordinate(x + 1, y),
WangDirection.SouthEast => new Coordinate(x + 1, y + 1),
WangDirection.South => new Coordinate(x, y + 1),
WangDirection.SouthWest => new Coordinate(x - 1, y + 1),
WangDirection.West => new Coordinate(x - 1, y),
WangDirection.NorthWest => new Coordinate(x - 1, y - 1),
_ => throw new ArgumentOutOfRangeException(nameof(direction), direction, null)
});
protected (T, Coordinate, WangDirection) GetNeighborTile(Coordinate position, WangDirection direction)
{
var neighbor = GetNeighborCoordinate(position, direction);
return(GetTileAt(neighbor.X, neighbor.Y), neighbor, direction);
}