#ifndef LINE_3D_H
#define LINE_3D_H
	#include "point_3d.h"
	#include <iostream>
	class Line_3D {
		private:
			Point_3D m_p1, m_p2;
		public:
			Point_3D getStartPoint() const;
			Point_3D getEndPoint() const;
			Line_3D(const Point_3D &p1 = Point_3D(), const Point_3D &p2 = Point_3D());
	};
	Line_3D operator+(const Point_3D &, const Point_3D &);
	std::ostream &operator<<(std::ostream &, const Line_3D &);
#endif