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Find back face?

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    Find back face?

    I have a two sided material that is applied to a plane. I want to have a different effect on the back face of the plane. So I'm just wondering how I can test in a material blueprint whether the current pixel is on the front side or back side of the face being rendered. I'm hoping to be able to lerp between two different effects based on this test somehow. Does anyone know how to do this?

    #2
    Two Sided Sign material expression.

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      #3
      Yep, thanks. I actually found that node shortly after I posted this. Thanks anyway.

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