+ void add(Object3D &);
+ Object3D &get_3d(Object &) const;
+ const ObjectMap &get_all() const { return objects; }
+ void remove(Object3D &);
+
+ template<typename T>
+ typename TypeMap3D<T>::Type3D &get_3d(T &o) const
+ { return dynamic_cast<typename TypeMap3D<T>::Type3D &>(get_3d(static_cast<Object &>(o))); }
+
+ void add(Utility3D &);
+ void remove(Utility3D &);
+
+ Msp::GL::Scene &get_scene() { return scene; }
+ Msp::GL::Scene &get_endpoint_scene() { return ep_scene; }
+ Msp::GL::Scene &get_path_scene() { return path_scene; }
+ const Msp::GL::Light &get_sun() const { return sun; }
+ const Msp::GL::Lighting &get_lighting() const { return lighting; }
+
+ void tick();
+
+private:
+ void object_added(Object &);
+ void object_removed(Object &);