- // 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);
+ if(pulling) {
+ grab_relative_x = grabbed_polygon->relative_x(grab_start_x, grab_start_y);
+ grab_relative_y = grabbed_polygon->relative_y(grab_start_x, grab_start_y);
+ }