This may not be anything particularly new going on but I know I've always been looking for a nice and effective way to paint and author specular maps without having to desaturate other textures and blow up their contrast in Photoshop. Autodesk just recently posted this tutorial on how to author specular maps in Mudbox using all of the awesome paint tools that used to be used for sculpting and painting color maps.
I'm sure Zbrush has a response to this somewhere but from my experience, I haven't seen anything that gives you this much control at the sculpting phase of asset creation.
Hit the jump to see the video tutorial...
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