+ const TrackType3D &get_type() const { return type; }
+ void get_bounds(const Angle &, Vector &, Vector &) const;
+ Path3D &get_path() { return *path; }
+
+ virtual Vector get_node() const;
+ virtual bool is_visible() const { return true; }
+
+ Msp::GL::Matrix create_matrix() const;
+ virtual void setup_render(Msp::GL::Renderer &, const Msp::GL::Tag &) const;