PilotLight - Mist and Steam VDB Loop Pack

Distribution Product Discussion
1

A high quality pack of Mist and Steam VDBs, simulated by a Senior Hollywood VFX artist in Houdini.

Video: https://youtu.be/by9s-OXRCUs

Tutorial showing how to animate the VDB density: https://youtu.be/SrqzTDJtiiU

Help Documentation: https://docs.google.com/document/d/e/2PACX-1vRvohEOLPTJRWUea9-pyRpH7c3CSqC_jzmOJxbj8eu2YfgVyE2Ui1pYrxrlwPn5wtpxvxvBtsz4U7Ys/pub

  • 9 Separate Movie Quality FX Elements with 3 levels of detail per element for a total of 27 separate vdbs.

  • Optimized 8 bit unorm VDB caches

  • Seamless Looping

  • Example Level

  • Master Material with a Material Instance for each VDB

  • Density Multiplier

  • Volume Color

  • Cinematic or Real-Time use

  • Heterogeneous Volume Setup

  • Organised and Project Ready

Cinematic Rendering

For Cinematic Rendering, on the Heterogeneous Actors turn "Issue Blocking Requests" to on, and Under Lighting change "Lighting Downsample Factor" to 1.

and use:

r.HeterogeneousVolumes.OrthoGrid 1

r.HeterogeneousVolumes.OrthoGrid.MaxBottomLevelMemoryInMegabytes 512 (default 128)

r.HeterogeneousVolumes.OrthoGrid.ShadingRate 1 (default 4)

Path Tracer

To render heterogeneous volumes with the path tracer, enable the following:

  • Project Settings

    • Set the Default RHI to DirectX 12.

    • Enable Support Hardware Ray Tracing.

    • Enable Path Tracing

and use the console variable:

r.PathTracing.HeterogeneousVolumes 1