sclass OnePathWithOrigin > OnePath {
  settable Pt origin = pt(0, 0);
  
  *() {}
  *(S path) { super(path); }
  *(Pt *origin, S path) { super(path); }
  *(int originX, int originY, S path) { super(path); origin = pt(originX, originY); }
  *(Iterable<Pt> points, bool close) {
    var l = asList(points);
    origin = first(l);
    fromPoints(l, close);
  }
  
  *(OnePathWithOrigin path) {
    super(path);
    origin = path.origin;
  }
  
  toString {
    ret "Origin (" + origin + "), path: " + super.toString();
  }
  
  OnePathWithOrigin reversed() {
    ret new OnePathWithOrigin(reversedList(pointList()), false);
  }
}