Clean, Curvy Surfaces

Dario D.

Dario D.

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How do you make CLEAN, curvy surfaces that don't screw up the BSP? ...such as the Curvy arches in de_dust, and the street corners in HL2 Singleplayer?

I have a train tunnel with a curvy interior roof, but the BSP is all subdivided to the crapper. How on earth do you get a CLEAN arched ceiling? The Valve-made curvy brushes are perplexing, and I have no idea how they made them. I understand convex curves (outward), but not concave (inward).
 
A bunch of brushes all tied to a func_detail works. You can also use displacements.
 
Concave curves can be annoying, yes. You can use a cylinder brush as a base, then build the concave curve based on the vertexes of the cylinder.
 
Thanks all. Looking into that zip now.

And yeah, I was afraid I'd just have to construct a curve from scratch, creating one brush for each inner face of the curve. :(
 
Its easy if you set up a guide for yourself like i did.
 
Yeah, thanks. I just copy-pasted your arch into my map, and set it up the way I wanted. Works great :thumbs:

The last arch was causing the game to crash...
 
make a 360 arch with the arch tool, then cut off one half, then carve the remainder to the outer edge is square (use the vertex tool to drag all the outer vertexes to the corners so your brushes are triangles. you can then make than func_detail. and don't forget to use smoothing groups on the inner surfaces and use a 32-sided arch
 
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