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Uphill runs share one cleat phase; no cleats downhill; pick slope bands

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A piece added to a running sloped belt kept its own cleat phase, so at
the seam a rib could start just behind another and push its pocket into
it, stalling the whole run with only a few grains. Every block of a run
now takes the phase of the run's lower-left block.

Downhill sloped belts no longer have cleats: they carry like a flat belt
(90 grains/s, was 38) and draw only the sidewall.

Middle click on a sloped belt's band, where it is drawn into the empty
block beside it, now picks the belt.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
44r0n7
2026-10-26 22:31:01 -04:00
co-authored by Claude Opus 5.5
parent 8cdc47fd33
commit 2e5ad0f1a1
9 changed files with 98 additions and 41 deletions
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docs/agent-log.md
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@@ -4,6 +4,23 @@ What agents have done, newest first. Add an entry for every piece of work: the d
note or request it was for, what changed, the files touched, the tests run, and anything left
open or not verified. Keep each entry short; the git history has the details.
## 2026-10-26: t42 feedback: uphill stall at a seam, no cleats downhill, slope pick (Claude Code)
- The owner's long uphill run stalled with a few grains, with a flashing seam between pieces 9
and 10. Cause: each block kept its own cleat phase, so a piece added to a running belt was out
of step; at the seam a rib started one or two cells behind another and pushed its pocket into
that rib's back, stalling the run for good. Every block of a run now takes the phase of the
run's lower-left block (`slopeCleatsTick`, memoised `slopeRunKey`).
- Owner decision: downhill belts have no cleats. They carry like a flat belt (`carryColumn`) and
draw only the sidewall; ribs, friction drag and pushes are uphill only (`slopeUphill`).
`pushRow`'s downhill levelling is gone. Downhill now 90 grains/s (was 38).
- Middle click on a sloped belt's band, where it is drawn into the empty block below, now picks
the belt (`pickUnderCursor` falls back to `slopeBeltAt`).
- Tests: `t_slope_belts.js` adds pieces added 3/7/11/13 ticks later (13 stalled before) and the
band pick (fails without the fix); downhill floor back to 60; cleat checks uphill only.
`t_slope_belt_art.js` draws ribs on uphill runs. `python3 test/run_all.py --browser`: ALL
PASSED. Screenshots of an up-and-down run in both looks opened. Rebuilt dist.
## 2026-10-26: t42 feedback: cleats that really hold and push their load (Claude Code)
- The owner saw ribs pass through heavy loads and the load climb as before. Rewrote the slope