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Re: Unreal - Specular texture vs Material Nodes?
This has been mentioned by almost everyone in the thread so far. Certainly absolutely 100% not something I would agree with. If you're going to use a unique texture anyway, don't waste your time messing about with diffuse controlled specular. The relationships between diffuse and proper specular are extremely important, so… -
Re: Unreal - Specular texture vs Material Nodes?
I've gotta say this makes me cringe a bit, spec is generally the life of a material. Unless its something that has very little/no reflection. On certain materials like metal, rubber, certain plastics, lacquered wood etc, the spec is often what should get the most love. Pulling a spec from diffuse should only really be done… -
Re: Unreal - Specular texture vs Material Nodes?
No love for putting a specular map in the alpha channel of the diffuse (and multiplying it by the diffuse)? Whilst it's not going to look as good as a complete specular map since you lose a lot of colour information, you do save on a whole texture which is somewhat beneficial to performance when you need it. -
Re: Unreal - Specular texture vs Material Nodes?
Alot of folks dont seem to realise that Textures are a hell of a lot easier to make and more convincing once you understand a little rendering theory/light. Its quite worrying how many folks still treat spec/diffuse seperately and think the diffuse lighting isn't reflection. -
Unreal - Specular texture vs Material Nodes?
This might be a bit of a noobish question, but I'm a bit unclear on this. I'm looking at some materials in an Unreal3 project, and instead of having a baked specular texture (or alpha channel, etc), a lot of the speculars are generated in the material node editor, along the lines of… -
Re: Unreal - Specular texture vs Material Nodes?
I wholy agree on the importance of the Specmap for important Assets. There are some tricks though how to pull off a better Specmap from just the Diffuse, if you can invest some time in Shader tweaking. For example: Imagine you have a fire-extinguisher with a red metal part and a greyish handle and some golden (yellow)… -
Re: Unreal - Specular texture vs Material Nodes?
The RGB Mask is kinda nice as an idea, would need to see how good it performs though. The great thing about Shader-Graphs is that you can easily insert If-Options, where you can add multiple variations to the Mastermaterial as well. Basically you could offer your fellow Artists the option to just use a random Spec-Color… -
Re: Unreal - Specular texture vs Material Nodes?
Yeah a lot of new materials have simple specs that don't much different than a tweaked diffuse, but anything that gets touched, scrapped, liquids spilled or dried on it, made up of different materials, etc, etc really needs a detailed spec. -
Re: Unreal - Specular texture vs Material Nodes?
Man, I was waiting for someone to suggest this.... How about instead of using a specular map, we use the diffuse but plug in another texture to control it? Brilliant!!! Well this only makes sense if your extra texture is very low res, but honestly, I would rather settle for a proper spec map that is low res at that point. -
Re: Unreal - Specular texture vs Material Nodes?
Agreed, contrasting highlight spread carries a lot more visual punch, and it seems for most people in this thread, using diffuse as spec color is "good enough". Personally, I'd make use of an extra 1 channel map to control gloss and reflection (unless I can do away with alpha, in which case, roll everything together into…
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