UVW map mirror/layer

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  07 July 2013
UVW map mirror/layer


I'm modding a game, and I noticed that the vanilla game modellers used a UVW technique where the mirrored some of their unwraps, like one on top of the other and that the texture would essentially bleed through. Is there a name for this? is it common?

Anyway, I'd like to use that technique with this model I've made:


Right now I put a symmetry modifier on it, but I'm wondering if I unwrap it first, then put a symmetry modifier on it, will it mirror/layer the uvw unwraps over the existing ones? So I won't have to unwrap the other side?

Also, I'm going to bring in this model to mudbox, do you have any advice on how I should proceed? Should I just bring in half of the model and then put the symmetry modifier on at the end?

  07 July 2013
Yes, if you add Symmetry to an unwrapped model, you will not need to unwrap the other side. The UV islands will be mirrored and layered on top of the already existing UVs.

For Mudbox, I think you can just import the whole model and always sculpt with symmetry on to get a good preview of the final result (at least i do it that way in zbrush, so perhaps it would work the same way)
  07 July 2013
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