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snake-biscuits avatar snake-biscuits commented on August 15, 2024

Performance is ok, but extensions.geometry "OrderedSet" assembly is incredibly slow
So either we move towards less size efficient conversions,
or look at Buffer -> geometryMeshes construction

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snake-biscuits avatar snake-biscuits commented on August 15, 2024

rexx' came up with a faster way of assembling .obj when extracting BVHLeaf geo from apex
just write each vertex every time it's referenced & use negative indices

absurdly memory efficient to write, and for position only meshes filesizes are smaller
(2 chars per indexed vertex, with mostly triangles it's huge savings)

this won't always work, but Blender's .obj importer is a python script, so negative indices are valid

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snake-biscuits avatar snake-biscuits commented on August 15, 2024

Exporting season14/9aug22/mp_rr_arena_habitat now only takes around 5 mins (500K triangles)
That's just about perfect performance for quick visualisations.

For any serious quality exports we'd probably want to be using bsp2gltf
That includes exploring shaders & animations (e.g. WaterBodies)

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