private static void PopulateMaze(Maze maze, Random rand, int numCells)
{
Stack <MazeCell> cellStack = new Stack <MazeCell>();
int x = rand.Next(0, numCells);
int y = rand.Next(0, numCells);
MazeCell cell = maze.GetCell(x, y);
MazeBuilder.VisitCell(cell, cellStack, maze, rand);
}
public MazeCell GetNextNeighbour(MazeCell cell, Random rand)
{
List <MazeCell> list = new List <MazeCell>();
if (cell.X > 0 && !this.CellGrid[cell.X - 1][cell.Y].Visited)
{
list.Add(this.CellGrid[cell.X - 1][cell.Y]);
}
if (cell.X < this.CellGrid.Count - 1 && !this.CellGrid[cell.X + 1][cell.Y].Visited)
{
list.Add(this.CellGrid[cell.X + 1][cell.Y]);
}
if (cell.Y > 0 && !this.CellGrid[cell.X][cell.Y - 1].Visited)
{
list.Add(this.CellGrid[cell.X][cell.Y - 1]);
}
if (cell.Y < this.CellGrid[cell.X].Count - 1 && !this.CellGrid[cell.X][cell.Y + 1].Visited)
{
list.Add(this.CellGrid[cell.X][cell.Y + 1]);
}
if (list.Count > 0)
{
return(list[rand.Next(0, list.Count)]);
}
return(null);
}