UE4 RnD – Custom Shaders: Realism vs Accuracy

While a large portion of the materials for the project are PBR metals where surface textures will added to material instances with altered properties, a few materials will use added effects like Fresnel effects to reflections or roughness to add a more cinematic feel to them – the example here would exaggerate the rim-lighting on some shapes with no additional work needed on the lighting environment.
Another example of exaggerating effect through Fresnel is this example of a glass material, where refraction is stronger around the edges making the solid glass ball feel more realistic.


Conclusion – This similar  methods will be applied to metal and plastic reflection materials to exaggerate certain forms in the final product.


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