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I ve got one object - for example engine
I mapped it in one texture
but I want to have more materials here, because I want different cube maps for some parts, different maps for some pars (one part can be completely without shaders, other should have specular, map, bump map etc.) is it better to have more textures (even with lower resolution), lets say one for each material or I can have one color texture for whole object, but different materials??? Thank you very much for answer...
PS: if I use specular map, not aplhachannel. What exactly that specular texture do? Is it about brightnes of object or is define cube mapú "strenght"??
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