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Sloped belts hold their load with moving cleats (t42); sloped filters are downhill shaking screens (t43)

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The magic grip is gone: cleats every 8 face cells, 6 grains tall, carry
pockets uphill (about 71 grains/s against 90 flat) and overflow rolls
back. Sloped filters always run downhill; grains travel by gravity and
a shake, and sorting stays exact. Drawing needs another pass.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
44r0n7
2026-10-26 19:47:59 -04:00
co-authored by Claude Opus 5.5
parent 1f8a89db6a
commit 578b55316b
28 changed files with 425 additions and 89 deletions
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src/sim/machine-tick.js
+2 -1
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@@ -87,10 +87,11 @@ function machinesTick() {
mm.hot = Math.round(hotT);
}
}
// Half a grain per tick; sloped faces grip their load on the intervening ticks too.
// Belts step every other tick; sloped belts carry only their finite pockets.
if (filtersDirty) rebuildFilters();
carryBeltsAndFilters(beltL, filterL, -1, BELTL, (tick & 1) === 0);
carryBeltsAndFilters(beltR, filterR, 1, BELTR, (tick & 1) === 0);
slopeCleatsTick();
// screws: every loose grain inside steps one cell along, front of the line first, on the same
// beat as belts (every other tick), so a block-wide screw carries as much as a block-deep belt
if ((tick & 1) === 0) for (let p = 1; p < IS_SCREW.length; p++) {