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feat(ludic.anim): ozz-animation 0.17.0 underneath - a skin's skeleton and each clip built at load, sampled to 1e-4 of anim_mix (phase 19.1)

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No bake and no new file: the skeleton comes from the skin's parents and rest pose (its own joints
and their ancestors - a kit holds several rigs), a clip from anim_read_doc's channels. Built by
native/build.sh from the pinned release; the Windows DLL imports KERNEL32 alone and passes there.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Orkun ÇAKILKAYA 2026-09-28 12:10:41 +03:00
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bump: minor
type: feature
**`ludic.anim` carries ozz-animation (0.17.0, MIT) as a native library**, the second package to do
so after `ludic.physics`. Its skeleton and each clip are built at LOAD from the numbers the package
already reads - a skin's parents and rest pose, a clip's flattened channels - so there is no bake
step and no new file. `anim_oz_skel(sk)`, `anim_oz_clip(c)`, `anim_oz_ctx(s)` and
`anim_oz_sample(ctx, clip, t, rot, pos, n)` are the first step (Maroon Lake's phase 19.1): a sampled
rotation agrees with `anim_mix` to within 1e-4 a component. `anim_play` is unchanged. The library is
built by `native/build.sh` from the pinned release, and on Windows it imports KERNEL32 alone.