public static UEdge2i FromDirection(Vec2i origin, Directions_Ortho_2D direction)
{
if (direction.IsSingle() == false)
{
throw new System.Exception("direction is not single!");
}
else if (direction == Directions_Ortho_2D.None)
{
throw new System.Exception("direction is None!");
}
if (direction == Directions_Ortho_2D.U)
{
return(new UEdge2i(origin, origin.To_Up()));
}
if (direction == Directions_Ortho_2D.D)
{
return(new UEdge2i(origin, origin.To_Down()));
}
if (direction == Directions_Ortho_2D.L)
{
return(new UEdge2i(origin, origin.To_Left()));
}
if (direction == Directions_Ortho_2D.R)
{
return(new UEdge2i(origin, origin.To_Right()));
}
return(new UEdge2i());
}
public static Edge2i FromDirection(Directions_Ortho_2D direction)
{
if (direction.IsSingle() == false)
{
throw new System.Exception("direction is not single!");
}
else if (direction == Directions_Ortho_2D.None)
{
throw new System.Exception("direction is None!");
}
if (direction == Directions_Ortho_2D.U)
{
return(new Edge2i(new Vec2i(0, 0), Vec2i.up));
}
if (direction == Directions_Ortho_2D.D)
{
return(new Edge2i(new Vec2i(0, 0), Vec2i.down));
}
if (direction == Directions_Ortho_2D.L)
{
return(new Edge2i(new Vec2i(0, 0), Vec2i.left));
}
if (direction == Directions_Ortho_2D.R)
{
return(new Edge2i(new Vec2i(0, 0), Vec2i.right));
}
return(new Edge2i());
}
public static bool IsCell_DeadEnd(this PM_Maze maze, int x, int y)
{
Directions_Ortho_2D cellDirections = maze.Q_Cell_Directions(x, y);
if (cellDirections.IsSingle() || cellDirections == Directions_Ortho_2D.None)
{
return(true);
}
return(false);
}
public static int NumLeafNodes(this PM_Maze maze)
{
int width = maze.Q_Width();
int height = maze.Q_Height();
int num = 0;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
Directions_Ortho_2D dir = maze.Q_Cell_Directions(x, y);
if (dir.IsSingle())
{
num++;
}
}
}
return(num);
}