//method to connect two rooms together
    void GenerateHallway(Room current, Room neighbor)
    {
        int size = CalcSize();
        int[] c = current.getGridPos(size);
        int[] n = neighbor.getGridPos(size);

        //check if right
        if (n[0] > c[0])
        {
            //delete the left wall tile on neighbor
            Vector3 nDoorPos = neighbor.shift + new Vector3(2f, 10f, 0f);
            roombuilder.CreateDoor(nDoorPos, neighbor, floorTile);

            //delete the right wall on current
            Vector3 cDoorPos = current.shift + new Vector3(17f, 10f, 0f);
            roombuilder.CreateDoor(cDoorPos, current, floorTile);

            //create door to connect the two rooms
            roombuilder.Hpath(cDoorPos, nDoorPos);
        }
        //check if above
        else if (n[1] > c[1])
        {
            //delete the bottom wall tile on neighbor
            Vector3 nDoorPos = neighbor.shift + new Vector3(10f, 2f, 0f);
            roombuilder.CreateDoor(nDoorPos, neighbor, floorTile);

            //delete the top wall on current
            Vector3 cDoorPos = current.shift + new Vector3(10f, 17f, 0f);
            roombuilder.CreateDoor(cDoorPos, current, floorTile);

            //create door to connect the two rooms
            roombuilder.Vpath(cDoorPos, nDoorPos);
        }
    }