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Shading errors on rotated objects
I know this subject has been up before, and I am yet to see any real solution to it. Usually this pops up as a problem with mirrored UV's and normal maps, but the issue seem to run much deeper. There's a huge error in how tangents(?) are being calculated that messes up mainly the light bakes but also the dynamic specular… -
Re: Shading errors on rotated objects
You get the same error when baking without lightmass, so it seems it's not linked to the bounce light. -
Re: Shading errors on rotated objects
The non-specular errors might be because of the low frequency bounce lighting, it happens with all modular pieces. -
Re: Shading errors on rotated objects
I can't believe someone made the decision that rotating objects, or UV's for that matter, isn't that important. Or that this error just slipped through all the testing unnoticed. And as you can see it's not only the specular, it's any light-bake as well. This, and related issues, seem to be popping up all the time, but… -
Re: Shading errors on rotated objects
BSP is usually the best tool if you want to make a flat floor. -
Re: Shading errors on rotated objects
My point about floors applies to any piece you might want to make for an environment. There are a limited number of objects you can draw so wasting object count on simple objects isn't a good idea. Especially when it creates obvious lighting seams. -
Re: Shading errors on rotated objects
That's how it's supposed to work. The baked specular lighting doesn't take the world space rotation of the mesh into account, it only operates on UV level as far as I know. Dominant directional light works fine since it doesn't use baked specular lighting. -
Re: Shading errors on rotated objects
hmm weird, I just built an environment and didnt came across this or may be didnt noticed it as much with all the texture details etc, will check now that you have bring this topic. Here is what you should try, cause i first also thought UDK screwed up some stuff. Yes there are bugs and all but for most part I have seen… -
Re: Shading errors on rotated objects
@ sprunghunt: It's not just floor pieces. It's every single asset you make. Mostly you can hide the seams in cavities etc, but sometimes they are out in the open, and pretty much brings the player out of the immersive world you are trying to create. -
Re: Shading errors on rotated objects
My guess as to why this doesn't concern Epic is because making floors out of many small pieces like this is inefficient from a performance point of view. So you should avoid it for other reasons other than just the specular problem.
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