Game Development Reference
Now, like with the rooms, use the geometry tools to resize the builder brush to be just
slightly smaller than the addiive brush. Most importantly, make sure it's long enough to
connect the interiors of the rooms. Click on CSG : Subtract .
Go back inside the rooms in the 3D view and turn on the Lit mode. You should see a corridor
connecing your rooms.
Add some extra lights to the hallway. Instead of going through all that right-click nonsense,
you can hold the l key ( l for light ) and click on the loor. Rebuild lighing, save your work, and
test your level.
What just happened?
We now have a hallway and a second room, but it looks a litle bland. Let's see if we can add
some atmosphere and color to our rooms by applying some materials to the surfaces.