tsp

projects/tsp/utils.js

@@ -0,0 +1,19 @@
+// utils.js
+export function initPoints(points) {
+  let cs = [];
+  for (let i = 0; i < points.length; i += 2) {
+    cs.push(new Point(points[i], points[i + 1]));
+  }
+  return cs;
+}
+
+export function updateLines(points, pointOrder) {
+  const lineVertices = [];
+  for (let i = 0; i < pointOrder.length - 1; i++) {
+    const j = pointOrder[i];
+    const k = pointOrder[i + 1];
+    lineVertices.push(points[j].cx * 2 - 1, points[j].cy * 2 - 1);
+    lineVertices.push(points[k].cx * 2 - 1, points[k].cy * 2 - 1);
+  }
+  return new Float32Array(lineVertices);
+}