I'm trying to have a building in a dome in one of my environments, but when I use the sphere geometry tool in the level editor of UDK, well, what I end up with can't really be described as a sphere. Is there a way to make something possibly several hundred times closer to an actual sphere?
If you're talking about the sphere being polygonal, there ought to be a control associated with the sphere tool to increase the tesselation (number of polys). I haven't used UDK much so I don't know exactly where it would be, but look around.
Well, the tool actually creates a tetrahedron. This doesn't even vaguely resemble a sphere. I've been looking around; it's probably obvious and I'm just missing it.
Sounds like it might be stuck on the very lowest tesselation level. A tetrahedron is often the starting point for subdivision generating a geodesic sphere. You may want to ask on a forum devoted to the UDK; you'll probably get a more informed answer.
You probably have a point there. You can edit the 'group' that the sphere you're creating belongs to, but you have to type it in manually. There's no dropdown list, and it lets you put whatever you want in there. I tried typing several things in there, but still ended up with the same shape.
EDIT: This is actually the answer I was specifically hoping to NOT get:
I just want to go on record as saying, "Please don't use the sphere brush."
Use static meshes to create spheres. Complex BSP shapes are asking for problems and not nearly as efficient as static meshes in terms of performance.
Edit: Also, every time you use the sphere brush, you kill a kitten. Don't be a kitten killer. They are so adorable!