Commits

Non-FF merge of feature/preview2d-modes-no-rim (t958u+t960u+t961u).

Implement design t958u/t960u/t961u together: - Remove consumer rim/edge lighting (RimParams/apply_rim/Randlicht). - Relight is ambient + Lambert + Blinn-Phong only. - Azimuth wraps continuously modulo 360; elevation stays −80…+80. - View modes Resultaat / Alleen diffuse/normal/depth/specular. - Playback loops on frames/fps so every frame lasts 1/fps.

Bodies without a skin load as BodyRig::Static through load_body_file: OBJ+MTL and skinless FBX via the rigid equipment readers (normalized once), glTF without skins with node world transforms baked once (mirror flips winding). No skeleton or clips are invented: live view and production draw the stored pose, the batch renders clip000-bind x 36 views with the same four maps, the pivot falls back to center Y (manual pivot still wins). Clip picker/Play, bone tree and equipment render are disabled with an explanation; production refuses equipment jobs on a static body. Fixtures from scripts/generate_static_bodies.py, tests/static_body.rs and GPU proof examples/static_body_fixture.rs.

FBX bodies load through preview::load_body_file (fbx_scene, normalized once) in the shared-depth live viewport and the production four-map batch with the same camera, neck pivot and fixed per-body zoom. FBX UVs are converted once to the PreviewCharacter convention. equipment::import_fbx imports rigid FBX parts from in-memory bytes with the same axis/unit normalization, embeds the original FBX and embedded or relative PNG textures in the .ppe, and rejects skinned meshes, blend shapes and non-PNG textures. The equipment picker accepts OBJ and FBX. Adds Blender-generated CC0 FBX sword fixtures, integration tests against the GLB body, and the fbx_live_fixture GPU proof example.

CPU/API surface with provenance and GLB fixture comparison. Live and production FBX wiring remains remaining.md #8.

Build an in-process FBX scene (fbx_scene) with unit/axis normalization, materials/textures, skin inverse-binds, and baked sampleable clips. Fixture tests compare bind-equivalent and animated joints against the matching GLB. Live viewport and production remain glTF/GLB-only.