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effectcraft/docs
vangel76andClaude Opus 5.5 977532f135 #736: import FBX 3D models (binary and ASCII)
Problem: After Effects 26 imports FBX models into Advanced 3D comps; File > Import rejected
.fbx, so FBX product shots and scenes could not be used.

Fix: a clean-room FBX 7.x reader in effectcraft-model (binary node records with 32/64-bit
offsets and zlib arrays, ASCII syntax) and a scene builder: meshes with normals, UVs and
per-polygon materials, the Model hierarchy with the SDK transform (pivots, offsets, pre/post
rotation, rotation order, geometric transform), Lambert/Phong materials onto
metallic-roughness with embedded or relative textures, and GlobalSettings axes turned to
Y-up. Wired into import, probing, the media browser and the file dialog. Hostile input
(truncation, corruption, huge arrays, deep nesting) fails with an error.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-11 11:46:43 +02:00
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