indexCurve function

dynamic indexCurve(Node start, dynamic minX, dynamic minY, dynamic invSize,)

Implementation

indexCurve(Node start, minX, minY, invSize) {
  var p = start;
  do {
    p.z ??= zOrder(p.x, p.y, minX, minY, invSize);
    p.prevZ = p.prev;
    p.nextZ = p.next;
    p = p.next!;
  } while (p != start);

  p.prevZ!.nextZ = null;
  p.prevZ = null;

  sortLinked(p);
}