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The pencil cosists of three peices of geometry - the shaft, the green metal thing, and the eraser - and 4 diffuse maps (each has a cylindrical map, with an additional planar map applied to the top of the eraser), with variations of these maps used for bump and specular. Steamroller allowed me to use one cylindrical map on the shaft, and yetstill get everything to line up with the geometry underneath. For example,the bite marks are concentrated on the edges, which was easy to do with thetemplate SR generated, and having the paint end in the appropriate place -not going onto the sharpened wood at the end of the pencil - was a snap - ittook me about a minute to line that up. I was also able to get the labelsand such exactly where I wanted them. This normally would have to be done with either 1 cylindrical map and alotof guesswork and many renders to see where things lined up, or it would bedone with 1 planar map for each of the six sides of the pencil. That's 6maps, and you have to mess around with alpha channels to get everythingblended properly. Not fun. Either way, it would be alot more work without Steamroller. Since I usedSteamroller for it, I knew where everything would line up before I did anyrendering, which meant I could concentrate on creating a nice textureinstead of worrying if the details would line up or not. -- |
