Cleanup helper scripts. Closes #7

2026-07-08 20:35:59 +02:00
parent 75ce38daf7
commit 1a94ca3947
11 changed files with 3 additions and 1 deletions
@@ -0,0 +1,47 @@
+const fs = require('fs');
+
+const d2 = 12.9;
+const l1 = 85;
+const l2 = 110;
+
+function stepsToRad(steps) {
+  return (steps / 2048) * 2 * Math.PI;
+}
+
+function render(steps1, steps2) {
+  const t1 = stepsToRad(steps1);
+  const t2 = stepsToRad(steps2);
+
+  const e1x = -d2 + l1 * Math.cos(t1);
+  const e1y = l1 * Math.sin(t1);
+
+  const e2x = d2 + l1 * Math.cos(t2);
+  const e2y = l1 * Math.sin(t2);
+
+  const dx = e2x - e1x;
+  const dy = e2y - e1y;
+  const dist = Math.sqrt(dx*dx + dy*dy);
+
+  let endX = 0, endY = 0;
+  if (dist <= 2*l2 && dist >= 1e-6) {
+    const a = dist / 2;
+    const h = Math.sqrt(l2*l2 - a*a);
+    const mx = (e1x + e2x) / 2;
+    const my = (e1y + e2y) / 2;
+    const px1 = mx + h * (dy / dist);
+    const py1 = my + h * (-dx / dist);
+    const px2 = mx - h * (dy / dist);
+    const py2 = my - h * (-dx / dist);
+    if (py1 >= py2) { endX = px1; endY = py1; }
+    else { endX = px2; endY = py2; }
+  }
+
+  console.log(`steps1=${steps1}, steps2=${steps2}`);
+  console.log(`t1=${(t1*180/Math.PI).toFixed(1)}°, t2=${(t2*180/Math.PI).toFixed(1)}°`);
+  console.log(`e1=(${e1x.toFixed(1)}, ${e1y.toFixed(1)})`);
+  console.log(`e2=(${e2x.toFixed(1)}, ${e2y.toFixed(1)})`);
+  console.log(`end=(${endX.toFixed(1)}, ${endY.toFixed(1)})`);
+}
+
+render(854, 41);
+render(-41, 967);