So mesh made using three-bvh-csg uses drawRange to its advantage to clip some unnecessary part of the mesh when this mesh is exported as glb the drawRange is ignored and entire mesh is visible before i report an issue on github was wondering if this a valid usecase which gltf exporter should suppo…

We have decided at GitHub some time ago that exporters do not honor drawRange. The property is just a hint for the renderer which does not affect the actual structure of the geometry. So if you want to export only parts of the geometry data, you have to extract the data on app level before the expo…

GLTFExporter does not respect drawRange?

Questions

orion_prime May 23, 2023, 10:16am 6

BufferGeometryUtils has a mergeGroups method which helped me trim the geometry to correct range

(i have updated a reply on the main csg thread with workaround which worked + sandbox )

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GLTFExporter does not respect drawRange?

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