Msp::GL::Color color;
std::vector<Point> border;
Msp::GL::VertexArray varray;
std::vector<unsigned> base_seq;
std::vector<unsigned> rail_seq;
Msp::GL::Color color;
std::vector<Point> border;
Msp::GL::VertexArray varray;
std::vector<unsigned> base_seq;
std::vector<unsigned> rail_seq;