How to use the NormalFromFunction material node?
How can I use the NormalFromFunction node in the material editor? The description and the input pins don't offer any explanation on how to use the function. Let's say I want to generate a normal map from the SphereGradient-2D function, how would I go about that? I'm assuming plugging the output of the SphereGradient-2D into all three Function(UV) inputs, but I tried several different functions and values for the other inputs and I only get a uniform, deep blue output.
The documentation is also missing any mention of this function. (https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/Functions/Reference/Procedurals/)
asked May 15 '17 at 01:49 PM in Using UE4
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