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Simplygon Unity Plugin

Simplygon comes with a plug-in for Unity which exposes optimization features such as Reduction, Aggregation, Remeshing, Impostor (SingleView, BillboardCloud / Vegetation), Occlusion meshes as well as material baking supporting following built-in shaders:

  • Standard Shader
  • Universal Rendering Pipeline (URP) prebuilt shaders
  • High Definition Render Pipeline (HDRP) prebuilt shaders

Visibility culling (through cameras / visibility volumes) and clipping geometries (through SimplygonSelectionSet component), as well as preservation of skinning for (humanoid) assets are also part of the supported feature set.

For a full list of Simplygon supported features please consult supported feature table.

There is also scripting support against the Simplygon C# API, for more customized solutions.

The Simplygon Unity plug-in is built with USD (Universal Scene Description) as intermediate file format and is dependent on the Unity USD package.

Supported Unity versions

Simplygon 10.2 is currently supporting Unity 2022.3.11 LTS and Unity 2021 LTS.

Limitations

Simplygon specifically depends on the USD 3.0.0-exp.1 package. Later versions exist but are currently not supported.

Please see known issues for more details and other known issues.