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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/ui/actions.js
+1 -1
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@@ -100,7 +100,7 @@ function dragDirFor(P, a, b) {
if (!a || !P.dirs || !(P.id === 'belt' || P.id === 'screw' || P.filter)) return -1;
const dx = b.bx - a.bx, dy = b.by - a.by;
if (!dx && !dy) return -1;
if ((P.id === 'belt' || P.filter) && diagonalDrag(dx, dy)) return dx > 0 ? 1 : 0;
if ((P.id === 'belt' || P.filter) && diagonalDrag(dx, dy)) return P.filter ? (dx * dy > 0 ? 1 : 0) : (dx > 0 ? 1 : 0);
if (P.id === 'screw' && diagonalDrag(dx, dy)) return dx > 0 ? (dy < 0 ? 4 : 5) : (dy > 0 ? 6 : 7);
if (P.id === 'screw') return Math.abs(dx) >= Math.abs(dy) ? (dx > 0 ? 1 : 3) : (dy > 0 ? 2 : 0);
return Math.abs(dx) >= Math.abs(dy) ? (dx > 0 ? 1 : 0) : -1;