it’s well embedded into the engine with good performance. It also supports Volumetric Lightmaps and Particle Lights. Comparing to custom volumetric raymarcher, which usually only supports one directional light and skylight, UE4 Volumetric Fog supports one Directional Light, any number of Point and Spot Lights, Skylight, all with various shadowing method support like static shadow, CSM, distance field soft shadow and DFAO.
Volumetric Fog has been in Unreal Engine since 4.16. This is done purely within Volumetric Fog and Volume Material systems, thus requires no low-level coding and supports various lighting feature within UE4. Inspired by the Gears 5 tech talk and the good ol’ Guerrilla paper on cloudspaces, I decided to do my own take and created this fluffy dry ice fog using Volumetric Fog feature that comes with UE4. Making beautiful and feasible volumetric effects has been a trending topic for game development.
Volumetric Fog small demos 体积雾小demo下载 Download
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