- // scalar_t xf = grabbed_polygon->absolute_x(grab_relative_x, grab_relative_y);
- // scalar_t yf = grabbed_polygon->absolute_y(grab_relative_x, grab_relative_y);
-
- // canvases[2 * t + 0]->clear();
- // draw_grabbing_point_on_canvas(canvases[2 * t + 0], scaling,
- // xf, yf, 0.0, 0.0, 0.0);
- // canvases[2 * t + 1]->clear();
- // draw_universe_on_canvas(canvases[2 * t + 1], scaling, universe);