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Library - Wrap meshes, heightfields, hulls, compounds and builders, multi-hit casts/overlaps, character-mover planes, contacts and sensor overlaps, JS callbacks, debug draw, standalone collision/distance/TOI, and many scalar accessors. 478 of 577 upstream functions wrapped, 99 skipped with a documented reason. - Per-world event buffers, O(1) body destroy, double-free guard, input validation, allocation-free hot paths and bulk TransformBatch. - Pass unit quaternions through unchanged so results are bit-identical to native Box3D (ragdoll determinism golden matches). Drift guard - parity/manifest.json plus test/parity.test.ts fail on any unclassified upstream function, def field, enum, struct or constant change. - Weekly upstream-drift workflow and .claude/skills/update-box3d. Demo - Sample framework (registry, picker, debug draw, mouse-joint, shooting, solver panel, diagnostics) and 151 of 154 upstream samples ported.
import.meta.env was read through an alias, so vite never substituted it and the OBJ/tree fetches went to /meshes instead of /box3d-wasm/meshes (404 in dev and on Pages). Found by loading every sample in Chrome. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
The root vitest typecheck includes docs/src, which has no vite/client types. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Summary
B3_APIfunctions wrapped (meshes, heightfields, hulls, compounds, multi-hit queries, mover, contacts/sensors, JS callbacks, debug draw, standalone collision, accessors); 99 skipped with written reasons.parity/manifest.json+test/parity.test.tsfail on unclassified upstream functions, def fields, enums, structs or constants; weeklyupstream-driftworkflow;.claude/skills/update-box3d.TransformBatch, opt-in LTO. Unit quaternions pass through unchanged, so the ragdoll determinism golden (step 274,0x773AB8ED) matches native.Known gaps
TODO(api)in code).Test plan
pnpm build && pnpm test(893 passed, 9 skipped),pnpm lint,pnpm typecheck,pnpm parity:strict🤖 Generated with Claude Code