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How do I make fresnel on material to be black?

I've been using fresnels to add some faded highlight thingy and I can make add color to them, but how do I make these frenels black?

These things:

https://docs.unrealengine.com/en-us/Engine/Rendering/Materials/HowTo/Fresnel

I can make them in color like this:

https://docs.unrealengine.com/portals/0/images/Engine/Rendering/Materials/HowTo/Fresnel/FN_Fresnel_Sample.png

But how do I make them fresnel edges black?

I'm not looking for a black outline

Product Version: UE 4.19 Preview
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asked Mar 10 '18 at 03:23 PM in Blueprint Scripting

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Feureau
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Just use it as a mask with Lerp. texture in A, black color in B, and Fresnel in Alpha. (or other way around)

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answered Mar 10 '18 at 03:59 PM

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Luos
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