Ray.cxx

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