ray2D.h

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#ifndef DLR_GEOMETRY_RAY2D_H
#define DLR_GEOMETRY_RAY2D_H

#include <iostream>
#include <dlrNumeric/vector2D.h>

namespace dlr {

  namespace geometry {
    
    class Ray2D {
    public:
      
      Ray2D()
        : m_origin(0.0, 0.0), m_direction(1.0, 0.0) {}

    
      Ray2D(const Vector2D& point,
            const Vector2D& direction,
            bool normalize = true);


      Ray2D(double aa, double bb, double cc);
      
    
      Ray2D(const Ray2D& source);


      ~Ray2D() {}

      
      Ray2D&
      operator=(const Ray2D& source);


      const Vector2D&
      getDirection() const {return m_direction;}
      

      const Vector2D&
      getDirectionVector() const {return this->getDirection();}
      

      const Vector2D&
      getOrigin() const {return m_origin;}


   private:
      // Private member functions.

      // Private data members.
      Vector2D m_origin;
      Vector2D m_direction;

    }; // class Ray2D


    
    /* ======= Non-member functions. ======= */

    std::ostream&
    operator<<(std::ostream& stream, const Ray2D& ray);
    
    
  } // namespace utilities
    
} // namespace dlr


/* ======= Inline and template function definitions. ======= */

namespace dlr {

  namespace geometry {

    
  } // namespace geometry
  
} // namespace dlr


#endif /* #ifndef DLR_GEOMETRY_RAY2D_H */