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Demo project: Unreal Volumetric Clouds with SVTs

03 Aug 11:58
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Demo project: Unreal Volumetric Clouds with SVTs

Edit: Download project here

Remember last year collaboration we did with the marvelous Jason Key ? Being able to read and render VDBs with Unreal's Volumetric Cloud was pretty great. Now with Unreal 5.3 preview out, Unreal can natively import VDBs and converts them to Sparse Volume Textures (SVTs).

It was time to update the demo to support SVTs. I'm sharing the updated project again and hope this will help many people.

You don't need my custom UnrealVDB plugin. This project only uses native Unreal 5.3, no plugins necessary.

Instructions:

  • Download SVT_Cloud_Demo.zip and extract it in your project Content folder.
  • Clouds are setup in BP_SvtToVolumetricClouds. Use the Diamond shape gizmo to translate / rotate / scale clouds. Change SVTs in the details panel.
  • There's a current limitation of 3 clouds maximum, adding support for more is totally doable but requires some manual work, as explained here.

This demo uses one the VDB cloud generously provided by JangaFX and created with Embergen. It is released under the CCO License. Huge thanks to the entire JangaFX team and especially to Jason.

Enjoy, have fun and please share your results with us and the community.

Download project here

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