Well, maybe everything has to be UV'd, but a lot of stuff can be UV'd quite randomly. It depends.
For me possibility of using multiplied detail was a great deal. It was easier. Much more rational way for a lot of materials. And probably saved about 40Mb of kn5 model file because of that, plus got better looks. Another thing which I discovered was that not every texture needs to have Alpha channel, this helped to reach even lower weight of the model file.
One thing which is a bit puzzling for me is, how to make rivets using normal maps, I have no idea. Done one trick for interior aluminum part rivets, but couldn't do it very clearly without distortions.
If anyone could explain me that, I would be happy
Edit: One more thing which I learned, which allowed me to use multiplied detail in the first place. I have a lot of impact labels on the dash, at first I was trying to do it on same material. And it was absolutely wrong and horrible. Later I created separate material for impact labels, and made them as separate objects, planes to be exact, with edges extruded towards the dash.
For me possibility of using multiplied detail was a great deal. It was easier. Much more rational way for a lot of materials. And probably saved about 40Mb of kn5 model file because of that, plus got better looks. Another thing which I discovered was that not every texture needs to have Alpha channel, this helped to reach even lower weight of the model file.
One thing which is a bit puzzling for me is, how to make rivets using normal maps, I have no idea. Done one trick for interior aluminum part rivets, but couldn't do it very clearly without distortions.
If anyone could explain me that, I would be happy
Edit: One more thing which I learned, which allowed me to use multiplied detail in the first place. I have a lot of impact labels on the dash, at first I was trying to do it on same material. And it was absolutely wrong and horrible. Later I created separate material for impact labels, and made them as separate objects, planes to be exact, with edges extruded towards the dash.
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