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Sloped belts and filters, laid by a 45° drag (t40)

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
44r0n7
2026-10-25 23:17:55 -04:00
co-authored by Claude Opus 5.5
parent 24eb9559f8
commit e19cb784d2
26 changed files with 531 additions and 110 deletions
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src/sim/machine-tick.js
+4 -18
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@@ -87,24 +87,10 @@ function machinesTick() {
mm.hot = Math.round(hotT);
}
}
// belts and filters move what rests on them every other tick: half a grain per tick
if ((tick & 1) === 0) {
for (let pass = 0; pass < 2; pass++) {
const list = pass ? beltR : beltL, d = pass ? 1 : -1, bm = pass ? BELTR : BELTL;
for (let k = 0; k < list.length; k++) {
const b = list[k];
if (mat[b] !== bm || b < W) continue;
const above = mat[b - W];
if (above === BELTL || above === BELTR) continue; // only the top surface carries
if (netSat(b) <= 0) continue;
if (PH[above] === PH_LIQUID) beltDrain(b);
carryColumn(b - W, d, null);
}
}
if (filtersDirty) rebuildFilters();
for (const b of filterR) filterCarry(b, 1);
for (const b of filterL) filterCarry(b, -1);
}
// Half a grain per tick; sloped faces grip their load on the intervening ticks too.
if (filtersDirty) rebuildFilters();
carryBeltsAndFilters(beltL, filterL, -1, BELTL, (tick & 1) === 0);
carryBeltsAndFilters(beltR, filterR, 1, BELTR, (tick & 1) === 0);
// tubes: 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_TUBE.length; p++) {