roof?

[fewmets]

I have been tinkering and I can't seem to find a way to do this. I was wondering if it's possible to add a "roof" heightmapping. I am looking to create a side-scroller like Metroid in SC2 and in order to do it I would need to be able to hit a roof, and have platforms that float above the normal ground. Another option I believe would work is if I could rotate all the models 90* and have WASD movement on the x and z axis rather than the x and y, although I would think this would be quite a bit more work.

 

[Rispetto]

Maybe use a flat-based doodad, size it up, and increase it's height, to simulate a roof?

 

[fewmets]

Thank you so much. I'll out this to good use.