GridManager.SquareOpen C# (CSharp) Method

    private bool SquareOpen( int x, int y )
    {
        // A square is open if it is not a wall.

        switch ( squares[ x, y ].ContentCode )
        {
            case TileContent.Empty:
                return true;
            case TileContent.Finish:
                return true;
            case TileContent.Start:
                return true;
            case TileContent.Wall:
            default:
                return false;
        }
    }