Hi all,
Hoping somebody can help with a problem I’m having with specularity/smoothness in my materials.
My problem is that I don’t seem to have control over the smoothness of my material when using a specular map. As i understand it - smoothness is controlled using the alpha channel of the specular map, however whatever I do in my alpha channel seems to have no affect on the smoothness of my material. Even using a black spec map w/ black alpha channel, there is a small fresnel looking effect on my assets (see below) - I would assume that this would have created the same look as the top image. I even tried a black spec map /w white alpha, and still no change (bottom image).
Everything works fine without a spec map plugged in - I can reduce the smoothness/specularity completely - but obviously I need be able to reach the same smoothness values with a specular map included.
I’m using 8 bit PNG’s - although I’ve tried 16 bit PNG’s and Targas - but no luck…
I’m hoping I’m missing something obvious as it is quite frustrating! Any ideas as to what might be causing the problem?
