int dx = x_root - _posqueue[0]->pos.x();
int dy = y_root - _posqueue[0]->pos.y();
// XXX: dont get this from python every time!
int dx = x_root - _posqueue[0]->pos.x();
int dy = y_root - _posqueue[0]->pos.y();
// XXX: dont get this from python every time!