private static void RecursivePass(MazeCell current)
{
current.Visited = true;
MazeCell next = current.GetRandomUnvisitedNeighbour(grid);
if (next != null)
{
stack.Add(current);
current.RemoveWalls(next);
RecursivePass(next);
}
else if (stack.Count > 0)
{
MazeCell back = stack[stack.Count - 1];
stack.RemoveAt(stack.Count - 1);
RecursivePass(back);
}
}
