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Vray Refraction Material in Unreal?

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  • Vray Refraction Material in Unreal?

    I know that this problem seems to be an UNREAL related question. But so far, I didn't get any logical answer from anyone over at the Unreal Team.

    I was hoping, I could use the Vray Materials as well directly in the Unreal Raytracer.
    But what ever I try or do.. the refraction doesn't seem to work.

    Here is a 4k short video that demonstrates that fundamental issue:
    https://youtu.be/CHcA5fnOalE

    another question that still was not resolved:
    *) do you need a "Shell" on the geomtry to make the glass shader work in the unreal raytracer?

    I know we need that for the Vray Shader and when using Vray of course inside of Unreal... but when setting up a level, I would like to have both engines covered.
    I love the fact, that I can use Vray inside of Unreal, to knock out super high end stills.

    But I also love the fact, that I can use Unreal for interactive stuff, and of course Real Time Game Play Features.

    Curious about your thoughts on this!

    Thanks a lot and keep rocking!
    cheers!
    www.bernhardrieder.com
    rieder.bernhard@gmail.com

  • #2
    anyone? any ideas?
    www.bernhardrieder.com
    rieder.bernhard@gmail.com

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    • #3
      Hi, Bernhard

      I have a similar issue with the raytraced refractions and still cannot find a solution on the matter. Regarding the "shell" of object I would suggest to have a thickness in the objects as you would do it when using V-Ray. i will post here if I find a solution for the refraction "blackness".
      P.S. What is your light setup? I can only see 2 rect lights. Have you tried with dome light?

      Best regards,
      Alexander
      Alexander Atanasov

      V-Ray for Unreal & Chaos Vantage QA

      Chaos

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      • #4
        Yeah.. it’s super weird. Epic got back to me saying they are also diving into this issue. It looks like I am drilling into al the important things users and even developers didn’t see yet.

        I am using Vray for over 10 years now.. (shit I am getting old - help, need a refreshing skin shader
        www.bernhardrieder.com
        rieder.bernhard@gmail.com

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