Ray.hxx

   1 #ifndef RAY_HXX
   2 #define RAY_HXX
   3
   4 #include "Vec3f.hxx"
   5
   6 class Primitive;
   7
   8 class Ray
   9 {
  10 public:
  11   Ray();
  12   Ray(const Vec3f& org, const Vec3f& dir, unsigned int recursion_level = 0);
  13   ~Ray();
  14   Ray(const Ray& r);
  15   Ray& operator=(const Ray& r);
  16
  17   const Vec3f& origin() const;
  18   const Vec3f& direction() const;
  19   float t() const;
  20   Primitive* hit();
  21   unsigned int recursionDepth() const;
  22   float indexOfRefraction() const;
  23
  24   void setOrigin(const Vec3f& o);
  25   void setDir(const Vec3f& d);
  26   void setT(float t);
  27   void setHit(Primitive* p);
  28   void setRecursionDepth(unsigned int i);
  29   void setIndexOfRefraction(float ior);
  30
  31 private:
  32   Vec3f m_org; //!< ray origin
  33   Vec3f m_dir; //!< ray direction
  34   float m_t;   //!< current/maximum hit distance
  35
  36   unsigned int m_level; //!< level of recursion
  37   float m_density; //!< index of refraction
  38
  39   Primitive* m_hit;
  40 };
  41
  42 inline std::ostream &operator<<(std::ostream &o,const Ray &ray)
  43 { o << "Ray [" << ray.origin() << "+t*" << ray.direction() << "]"; return o; }
  44
  45 #endif