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.