Ray.cxx

   1 #include <limits>
   2
   3 #include "Ray.hxx"
   4
   5 Ray::Ray()
   6   : m_org(Vec3f()),
   7     m_dir(Vec3f()),
   8     m_level(0),
   9     m_density(1.0),
  10     m_hit(0)
  11 {
  12   m_t = std::numeric_limits<float>::max();
  13 }
  14
  15 Ray::Ray(const Vec3f& org,
  16          const Vec3f& dir,
  17          unsigned int recursion_level)
  18   : m_org(org),
  19     m_dir(dir),
  20     m_level(recursion_level),
  21     m_density(1.0),
  22     m_hit(0)
  23 {
  24   m_t = std::numeric_limits<float>::max();
  25 }
  26
  27 Ray::~Ray()
  28 {
  29 }
  30
  31 Ray::Ray(const Ray& r)
  32 {
  33   m_org = r.m_org;
  34   m_dir = r.m_dir;
  35   m_t = r.m_t;
  36   m_hit = r.m_hit;
  37   m_level = r.m_level;
  38   m_density = r.m_density;
  39 }
  40
  41 Ray&
  42 Ray::operator=(const Ray& r)
  43 {
  44   if(this != &r)
  45     {
  46       m_org = r.m_org;
  47       m_dir = r.m_dir;
  48       m_t = r.m_t;
  49       m_hit = r.m_hit;
  50       m_level = r.m_level;
  51       m_density = r.m_density;
  52     }
  53   return *this;
  54 }
  55
  56 const Vec3f&
  57 Ray::origin() const
  58 {
  59   return m_org;
  60 }
  61
  62 const Vec3f&
  63 Ray::direction() const
  64 {
  65   return m_dir;
  66 }
  67
  68 float
  69 Ray::t() const
  70 {
  71   return m_t;
  72 }
  73
  74 void
  75 Ray::setOrigin(const Vec3f& o)
  76 {
  77   m_org = o;
  78 }
  79
  80 void
  81 Ray::setDir(const Vec3f& d)
  82 {
  83   m_dir = d;
  84 }
  85
  86 void
  87 Ray::setT(float t)
  88 {
  89   m_t = t;
  90 }
  91
  92 Primitive*
  93 Ray::hit()
  94 {
  95   return m_hit;
  96 }
  97
  98 void
  99 Ray::setHit(Primitive* p)
 100 {
 101   m_hit = p;
 102 }
 103
 104 unsigned int
 105 Ray::recursionDepth() const
 106 {
 107   return m_level;
 108 }
 109
 110 void
 111 Ray::setRecursionDepth(unsigned int i)
 112 {
 113   m_level = i;
 114 }
 115
 116 float
 117 Ray::indexOfRefraction() const
 118 {
 119   return m_density;
 120 }
 121
 122 void
 123 Ray::setIndexOfRefraction(float d)
 124 {
 125   m_density = d;
 126 }