Is Vertex Shading like in this video possible?

Development Rendering
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So I’m looking to use a sort of dodge/burn effect on my terrain like Blizzard do in this video, is it possible? are there any tutorials around showing how to do it?

Thanks guys.

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It’s pretty straight forward, UE4 already has vertex painting that works well out of the box, you just have to make a material that blends the vertex color with the base color.

Vertex color node Vertex Color Materials | Unreal Engine Documentation

Blend nodes Blends | Unreal Engine Documentation