void handle_main_menu(int selection) { switch(selection) { case MENU_ANIMATION: main_app.toggle_animation(); break; case MENU_LIGHTING: main_app.toggle_lighting(); break; case MENU_CENTERED_PROJECTION: main_app.toggle_centered_projection(); break; case MENU_KILL_BACKGROUND: main_app.realCamera()->killBackground(); break; case MENU_CALIBRATE_POSITION: main_app.calibrate_position(); break; default: break; } }