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UDK - Material - Oren Nayar Help

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  • Ace-Angel
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    Ace-Angel polycounter lvl 12
    Yeah, cook torrance should only be used for metal and only rarely then. It's pretty heavy, and the controls for it's Roughness/Fresnel/Strength aren't exactly intuitive.

    You get almost the same control, but with more flexibility if you use a Schlick-Fresnel and a standard Fresnel instead on a Blinn.
  • Johnny100
    Hello everyone,

    Very cool and useful discussion here, so interesting in fact i've decided to try and recreate an oren nayar shader based on the info found here.

    Could you help cause i'm way over my head with all the math behind it

    [IMG][/img]ECk9K7J.jpg
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