48 lines
2.1 KiB
Markdown
48 lines
2.1 KiB
Markdown
# Tasks: enterprise-gaming-character-physics
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## 0. Pre-flight (non-negotiable)
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- [ ] 0.1 Confirm clean working tree (`git status` reports nothing) and no in-flight worktrees with uncommitted work (`git worktree list` then `git status` in each)
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- [ ] 0.2 If any worktrees exist under `.claude/worktrees/`, account for each one: still-active agent, work-pending-merge, or stale-and-prune. Stale worktrees MUST be removed (`git worktree remove`) before opening a new one — code that has been lost twice on main is the failure mode this guards against.
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- [ ] 0.3 Confirm the package set in `MANIFEST.md` matches `find packages -maxdepth 3 -name package.json` count. Drift here means a prior change archived without regenerating the manifest.
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## Phase 1 — Scaffold
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- [ ] Create `gaming/rigs/character-physics/` (`@suaveplan/character-physics`, `0.1.0`, `sideEffects: false`)
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- [ ] `tsconfig.json`, `vitest.config.ts`
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## Phase 2 — Error codes & constants
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- [ ] `src/error-codes.ts` + `src/constants/index.ts`
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## Phase 3 — Types
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- [ ] `src/types/common.ts` + `common.md` — `Vec3`, `CharacterControllerOptions`, `PhysicsBackend`, `RaycastHit`, `SweepHit`
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## Phase 4 — Spring & slope utils
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- [ ] `src/utils/spring.ts` — PD spring force + damping, convergence test
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- [ ] `src/utils/slope.ts` — project velocity onto normal, slope angle check
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- [ ] Tests + docs
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## Phase 5 — Null backend
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- [ ] `src/backends/null-backend/null-backend.ts` — always returns no hit; for unit testing controller math
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- [ ] Tests + docs
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## Phase 6 — Character controller
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- [ ] `src/core/character-controller/character-controller.ts` — spring levitation, slope/step logic, jump impulse, OTel
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- [ ] Events: ground contact, jump, land
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- [ ] Tests + docs
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## Phase 7 — Property tests
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- [ ] `tests/property.test.ts` — spring converges to float distance within N frames for any initial position
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## Phase 8 — Pre-publish gate
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- [ ] `bunx turbo lint typecheck test --filter=@suaveplan/character-physics` green
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- [ ] 100% coverage
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- [ ] Publish: `bun scripts/publish.ts --package @suaveplan/character-physics`
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