//---------------------------------------------------------------------------
private void FindCorners(List <Room> rooms, List <Corridor> corridors)
{
foreach (Room room in rooms)
{
Corners.Add(room.TopLeft());
Corners.Add(room.TopRight());
Corners.Add(room.BottomLeft());
Corners.Add(room.BottomRight());
}
foreach (Corridor corridor in corridors)
{
Corners.AddRange(corridor.Corners);
}
}