- float get_angle_difference() const { return adiff; }
- void start();
- void button_press(float, float, unsigned);
- void pointer_motion(float, float);
- void render();
+ const R2C2::Angle &get_angle_difference() const { return adiff; }
+
+ virtual void button_press(unsigned);
+ virtual void axis_motion(unsigned, float, float);
+
+ virtual void render(Msp::GL::Renderer &, const Msp::GL::Tag &) const;