NodeManager.ConnectNodes C# (CSharp) Method

    private void ConnectNodes()
    {
        if(!objectManager.MapData.IsIsoGrid)
        {
            for (int y=0; y<size_y; y++) {
                for (int x=0; x<size_x; x++) {
                    //Debug.Log(x+", "+ y);

                    if (x - 1 >= 0) {
                        nodes [x, y].BorderTiles [(int)Border.DownRight] = nodes [x - 1, y];
                        if (y - 1 >= 0)
                            nodes [x, y].BorderTiles [(int)Border.Down] = nodes [x - 1, y - 1];

                        if (y + 1 < size_y)
                            nodes [x, y].BorderTiles [(int)Border.Right] = nodes [x - 1, y + 1];
                    }

                    if (x + 1 < size_x) {
                        nodes [x, y].BorderTiles [(int)Border.UpLeft] = nodes [x + 1, y];
                        if (y - 1 >= 0)
                            nodes [x, y].BorderTiles [(int)Border.Left] = nodes [x + 1, y - 1];

                        if (y + 1 < size_y)
                            nodes [x, y].BorderTiles [(int)Border.Up] = nodes [x + 1, y + 1];
                    }

                    if (y - 1 >= 0)
                        nodes [x, y].BorderTiles [(int)Border.DownLeft] = nodes [x, y - 1];

                    if (y + 1 < size_y)
                        nodes [x, y].BorderTiles [(int)Border.UpRight] = nodes [x, y + 1];
                }
            }
        }
        else
        {
            for (int y=0; y<size_y; y++) {
                for (int x=0; x<size_x; x++) {
                    //Debug.Log(x+", "+ y);
                    if(x%2 == 0){
                        if (x - 1 >= 0) {
                            nodes [x, y].BorderTiles [(int)Border.Left] = nodes [x - 1, y];
                            if (y - 1 >= 0)
                                nodes [x, y].BorderTiles [(int)Border.Down] = nodes [x - 1, y - 1];
                        }

                        if (x + 1 < size_x) {
                            nodes [x, y].BorderTiles [(int)Border.Up] = nodes [x + 1, y];
                            if (y - 1 >= 0)
                                nodes [x, y].BorderTiles [(int)Border.Right] = nodes [x + 1, y - 1];
                        }
                    }

                    if(x%2 == 1){
                        if (x - 1 >= 0) {
                            nodes [x, y].BorderTiles [(int)Border.Down] = nodes [x - 1, y];

                            if (y + 1 < size_y)
                                nodes [x, y].BorderTiles [(int)Border.Left] = nodes [x - 1, y + 1];
                        }

                        if (x + 1 < size_x) {
                            nodes [x, y].BorderTiles [(int)Border.Right] = nodes [x + 1, y];
                            if (y + 1 < size_y)
                                nodes [x, y].BorderTiles [(int)Border.Up] = nodes [x + 1, y + 1];
                        }
                    }

                    if (x - 2 >= 0)
                        nodes [x, y].BorderTiles [(int)Border.DownLeft] = nodes [x - 2, y];

                    if (x + 2 < size_x)
                        nodes [x, y].BorderTiles [(int)Border.UpRight] = nodes [x + 2, y];

                    if (y - 1 >= 0)
                        nodes [x, y].BorderTiles [(int)Border.DownRight] = nodes [x, y - 1];

                    if (y + 1 < size_y)
                        nodes [x, y].BorderTiles [(int)Border.UpLeft] = nodes [x, y + 1];
                }
            }
        }
    }