Today I've spent a lot of time working on my railway. I'm still yet to do a corner piece, but I have the bridges and the tracks created and the work together seamlessly. Texturing is going to be a bit of a pain and instead of relying on normal maps as much I worked a bit of the detail into it at the polygon level. The poly count is 300 for the tracks and 2100 for the bridge which is more then I wanted. I was hoping to keep the overall thing to about 1000-1500 polygons, but I risked adding detail in at the expensive of speed.
For texturing I think I might just add a dirty metal texture to the track and bridge and for the concrete structures holding it up, I'll probably add some detail in there. I might split the bridge up into 3 sets of UV's, one for the bridge, one for the concrete and one for the shadow map in UT3. The tracks I'll use 2.
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