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Cleats really hold and push their pockets (t42 feedback)

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Nothing carries the load on a slope but the ribs: each belt step every
rib moves one face cell and pushes the grains in its way, the layer on
the belt is only dragged by friction that gravity beats on 45 degrees,
and heaped grains roll back. Ribs never pass through grains or into
machines; a run that can't push stalls. The foot of an uphill run
scoops the feed into pockets. Ribs drawn as rubber bars in both looks.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
44r0n7
2026-10-26 20:56:51 -04:00
co-authored by Claude Opus 5.5
parent 3ee85429fd
commit 8cdc47fd33
12 changed files with 276 additions and 52 deletions
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src/render/world.js
+8 -6
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@@ -292,9 +292,11 @@ function drawWorld() {
const slopeDetail = slopeDetailAt(i, x, y, sm);
if (slopeDetail) {
const wave = slopeDetail === 2 && ((x + beltGrade(blockP[slopeWallOwner]) * y - slopePhase[slopeWallOwner]) & 3) < 2;
r = slopeDetail === 1 ? 100 : wave ? 51 : 43;
g = slopeDetail === 1 ? 104 : wave ? 55 : 47;
b = slopeDetail === 1 ? 112 : wave ? 63 : 55;
// ribs: light rubber with a pale cap; the far wall behind them: muted, corrugated rubber
const cap = slopeDetail === 1 && slopeWallOwner >= 0 && !cleatMask[i - W + beltGrade(blockP[slopeWallOwner])];
r = slopeDetail === 1 ? (cap ? 178 : 146) : wave ? 64 : 56;
g = slopeDetail === 1 ? (cap ? 182 : 150) : wave ? 68 : 60;
b = slopeDetail === 1 ? (cap ? 190 : 158) : wave ? 76 : 68;
}
// incandescence
if (T > 450 && m !== EMPTY && incand) {
@@ -346,11 +348,11 @@ function drawWorld() {
((y - ((sb / BW) | 0) * BS + 8) << 16) | ((x - (sb % BW) * BS + 8) << 8);
if (slopeArt) { r = fm ? COLR[fm] : 0; g = fm ? COLG[fm] : 0; b = fm ? COLB[fm] : 0; }
}
if (slopeDetail === 1) cl = 4;
else if (slopeDetail === 2) {
if (slopeDetail && slopeWallOwner >= 0) {
// ribs and the far wall are both drawn by the wall shader, ribs from the same phase as the simulation
const wb = slopeWallOwner;
cl = beltGrade(blockP[wb]) < 0 ? 31 : 32;
tpx[row + bx] = ((128 | slopePhase[wb] | ((slopeBeltJoins[wb] & 12) << 1)) << 24) | cl |
tpx[row + bx] = ((128 | slopePhase[wb] | ((slopeBeltJoins[wb] & 12) << 1) | (blockV[wb] & 1 ? 32 : 0)) << 24) | cl |
((y - ((wb / BW) | 0) * BS + 8) << 16) | ((x - wb % BW * BS + 8) << 8);
}
top = cl << 24;