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type-two f9aeaf259f [lane B+C] L1 Oral Cavity: the tutorial, and the Mast Cell — the boss you win by not shooting
L1 has been a 2-event skeleton since round 1, waiting (in its own status field) on "Lane B's
arena-mode controller". That exists now, so C's round2_plan is built as written: molar
crush-cycles, the saliva tide, amylase droplets, the three samples exactly where C put them
(behind the molars / under the tongue / a tonsillar crypt), and the epiglottis exam. 24 events.

The teaching order is the level: move (orbs, no current) -> LOOK (the arena opens and you can
stop, which no other level allows) -> shoot (one droplet, then two) -> coat (the molar ring
grazes you, mucin is right there) -> RESTRAINT -> flow returns (the tide, the funnel) -> the
exam. Every verb alone, in the calmest room in the game, before anything is asked of it. Two
hazards are deliberately re-used rather than invented: the molar crush IS a ring_gate and the
saliva tide IS a non-lethal surge, so L2's gates and its reflux finale become callbacks instead
of new ideas.

THE MAST CELL (LANE_C_NOTES §Boss specs 5) sits at the exact midpoint. A sentinel immune cell:
cyan, no attack, no chase, inert aura (auraDps 0 — it shares the floater's drift branch and its
aura does literally nothing). Fly past and the encounter just ends. Shoot it and it degranulates
— droplets close in from the walls (which is how "the cavity swells shut" is expressed, because
a runtime tube radius is not in Lane A's contract), the coat bleeds, and past half health the
airway closes on a 25s timer. You always get through. The only question is what you get through.

It needed a new boss `kind: 'sentinel'` with its own update path, because forcing a thing with
no rings and no windows through the phase machine would have been worse than a branch. Damage is
the failure state, so every number describes a consequence rather than a fight.

Verified, all three player choices: SPARE -> "spared", coat untouched at 100, karma +25, score 0.
SHOOT -> "degranulated", coat 100->56. KILL -> "anaphylaxis-survived", coat 100->6. Score is 0 in
every case: shooting it buys literally nothing, so no medal can ever reward the mistake.

Two bugs the testing paid for: `def.phases[0]` crashed on a boss that has no phases, and the
first degranulation drain (5/s) was UNDER the player's 8/s coat regen — measured coat going
80 -> 100 during a histamine cascade, i.e. the punishment was healing you. Now 14 and 22, which
are net -6/s and -14/s against regen.

L1 is no longer a skeleton: its checkpoint-gap and zero-samples warnings are gone, and the
campaign now opens on a real tutorial instead of an empty mouth with a gate at the end.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-26 00:13:52 +10:00
.claude [chore] Drop the throwaway preview ports 2026-07-25 22:52:08 +10:00
docs [lane B+C+F] The Appendix Sovereign: the secret boss, and a reputation you cannot fake 2026-07-25 23:25:36 +10:00
pipeline [lane A] MODELBEAST dresses the molecules: 5 matcaps, and the canal picks space-filling 2026-07-16 21:31:24 +10:00
tools [infra] Stamp the deploy: curl /gutsy/VERSION to see what is actually live 2026-07-17 23:04:05 +10:00
web [lane B+C] L1 Oral Cavity: the tutorial, and the Mast Cell — the boss you win by not shooting 2026-07-26 00:13:52 +10:00
.gitignore [lane A] The swept room + the acid sea, built — and it corrected me four times 2026-07-16 18:04:16 +10:00
README.md [infra] GUTS is live at partly.party/gutsy — deploy wired, ship-check clean 2026-07-17 23:02:04 +10:00

GUTS — a fantastic voyage through the alimentary canal

Browser flight-combat game (three.js, zero build step). You pilot ENDO-1, a microscopic probe, mouth → rectum through five anatomically-grounded biomes: ride peristalsis down the esophagus, cross the acid sea of the stomach, thread the villi forest of the small intestine, survive the gas swamps of the colon. Fantastic Voyage × Star Fox × Descent.

Run it

cd web && python3 -m http.server 8140
# http://localhost:8140            — the game
# http://localhost:8140/?stub=1&dbg=1  — stub world + debug HUD (works from day 0)

No bundler, no npm, no build. ES modules + import map; three.js r175 vendored in web/vendor/ (never CDN — the game must run offline). Before you finish a session: bash tools/qa.sh.

The one-paragraph tech pitch

The whole canal is a spline. World position is (s, θ, ρ) — distance along the canal, angle and radius in the cross-section. Tube walls are chunked extrusions along parallel-transport frames; peristalsis and breathing are vertex-shader displacement (cheap, squishy, everywhere); collision is an analytic radius test (no physics engine). Caverns (mouth, stomach) switch the same controller to free 6DOF. Look is synthetic scanner — dark endoscope void, SEM-style monochrome walls with FLUX-generated detail textures, emissive-coded enemies. Everything is seeded + deterministic, and every asset is optional at runtime — the game boots and plays asset-free with procedural fallbacks.

Hard laws (all lanes)

  1. Determinism. No Math.random outside js/core/rng.js. Seeded RNG only. qa.sh greps.
  2. Assets are optional. Missing texture/model/audio ⇒ procedural fallback, never a crash.
  3. Eyeball everything. Visual work isn't done until a screenshot is in docs/shots/laneX/.
  4. Perf budget: ≤300 draw calls, 60 fps on M-series / mid laptop. Measure via window.DBG.
  5. Free-first. Local MODELBEAST generation before any paid API; fal.ai is a gated fallback (John's go). See PIPELINE.md.
  6. Git: stage only your exact paths, commit + push each session, never git add ..

Deploy

Live: https://partly.party/gutsy/bash tools/deploy.sh (QA gate → rsync web/ minus dev/docker cp into forum-nginx → verify). No build step; web/ ships as-is.

Two things to know before you touch it, both documented at length in the script header:

  • It's ephemeral. Content lives in the container's own layer (like blobbo/glytch), so a docker compose up --force-recreate or nginx image bump wipes it — re-run the script. The durable fix is a bind mount in forum/docker-compose.yml (what cratewars/roguelike use), which costs a forum-nginx recreate and brief partly.party downtime.
  • A 404 there returns HTTP 200. nginx's catch-all try_files ... /index.html serves the arcade index for any missing file. Verify on content, never on status codes.

Origin: ssh://git@100.71.119.27:222/monster/guts.git.