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Diagonal screw tubes, laid by a 45° drag (t35)

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- Tubes run in eight directions: a drag at about 45° lays a diagonal run, R cycles all eight.
- Diagonal runs carry grains at the straight rate (120 grains/s), join straight tubes and belts,
  keep grains in at the corners, pass water, and carry bars level.
- New part ids 11-14 (saved ids are never renumbered); tube checks use an IS_TUBE table.
- New test/t_diag_tubes.js (85 checks).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
44r0n7
2026-10-25 17:37:30 -04:00
co-authored by Claude Opus 5.5
parent 381019b7aa
commit 8087c28cb5
26 changed files with 348 additions and 65 deletions
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src/render/overlays.js
+1 -1
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@@ -39,7 +39,7 @@ function drawFlowArrows() {
const b = by * BW + bx, code = blockP[b];
if (code !== BP_BELT && code !== BP_TUBE && code !== BP_PUMP && code !== BP_OUTLET) continue;
const vv = blockV[b];
const [dx, dy] = code === BP_BELT ? (vv ? [1, 0] : [-1, 0]) : code === BP_PUMP ? PUMP_V[vv & 3] : code === BP_OUTLET ? OUTLET_V[vv & 3] : [[0, -1], [1, 0], [0, 1], [-1, 0]][vv & 3];
const [dx, dy] = code === BP_BELT ? (vv ? [1, 0] : [-1, 0]) : code === BP_PUMP ? PUMP_V[vv & 3] : code === BP_OUTLET ? OUTLET_V[vv & 3] : TUBE_DIRS[vv & 7];
const c = worldToScreenPx(bx * BS + BS / 2, by * BS + BS / 2);
ctx.fillStyle = 'rgba(14,12,11,0.55)'; ctx.beginPath(); ctx.arc(c.x, c.y, r * 1.35, 0, Math.PI * 2); ctx.fill();
ctx.strokeStyle = code === BP_TUBE ? '#ffc58a' : '#e7dccb'; ctx.lineWidth = Math.max(1.2, r * 0.32);