Vray material index in blender8/26/2023 ![]() ![]() The main difference that the PBR shading model has over other physically based shading models, such as the one used by V-Ray, is how it describes reflections. Since memory resources are at a premium in the game industry, the PBR model has inevitably become very popular and very resourceful. It requires fewer variables - and therefore texture maps - to define a material.As such, PBR shading models became very popular for real-time rendering for two basic reasons: ![]() While real-time rendering shading models were not necessarily based on real physics, other ray tracers, such as V-Ray, have always been physically based. Some have also interpreted this as meaning that other shading models are not based on real physics which is wrong. The term “Physically Based Rendering” - or PBR - does, in itself, imply that the material definition used in PBR is based on real physics. The importance of metalness and why we’ve added the Metalness parameter to the V-Ray standard material to better support a PBR workflow in V-Ray Next. ![]()
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