This is the part 13 of the tutorial series I am doing on how to create an open world Game in unreal engine.
in this part, I'll explain how to expose material parameters such as specular, roughness and metallic as material function inputs so that we can have different values for each landscape material layer.
Following video explains the main process you have to follow and only the things which require additional explanations are explained in the article.
Landscape Material Function : MF_LayerHighlighted area represents the exposed parameters
Multi layer Landscape Material : M_Landscape
Landscape material instance : MI_Landscape
By Adjusting the material properties exposed my material function for each landscape layer, we could get rid of the inappropriate shiny look from the landscape as seen in the above screenshot.
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Next : Unreal Landscape Grass Output - UE4 Open World Tutorials #14