LogInThe VDB files were created using EmberGen.
Principal VFX Artist Jason Key has demonstrated the results of an experiment with volumetric clouds in Unreal Engine 5. The artist has shown how you can create an extremely realistic volumetric cloudscape using Epic Games' recently released engine and how the clouds will react to various lighting conditions. You can check out the results of the experiment in the video attached above.
According to Jason, the VDBs themselves were created using JangaFX's EmberGen, a real-time fluid simulation tool for creating fire, smoke, and explosions. Additionally, the author used Eidos-Montréal's useful "OpenVDB and NanoVDB for Unreal" plug-in that allows reading OpenVDB and NanoVDB files in Unreal. This plug-in was made specifically for Unreal Engine 5 and can be downloaded here.
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