Friday, January 9, 2026

Ray traced Shadows and 2 Sided Foliage Shader (follow up)

 I did a little testing (finally) regarding earlier issues I have posted about using Ray Traced Shadows and lighting in UE5.X with foliage and the 2 Sided Foliage shader. Having reported earlier that the issue was fixed I can now say that is indeed true based on my own tests. Granted, there are myriad issues and settings now when enabling ray tracing in your scenes that could effect this, but at it's most basic, sub-surface effects used by the 2 Sided Foliage shader do function when using raytracing in Unreal. 

Obviously, certain settings may affect this, but overall, choosing a base project at the start with Ray Tracing enabled will show sub-surface effects with the shader as shown below:





Project settings with Ray Tracing enabled. I have changed Ray Lighting Mode to HLR and left Lumen as the method for GI and Reflections


Enabling "Ray Traced Shadows" in the Hardware Ray Tracing section of the Project Settings does not affect this dramatically, though the look may be a little different (less intense). Sub Surface properties in the shader still work:






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