Class Hit

tutorials/next_hit/next_hit_device.cpp:33–77

  /* Hit structure that defines complete order over hits */
  struct Hit
  {
    Hit() : opaque(false), t(0.0f), primID(RTC_INVALID_GEOMETRY_ID), geomID(RTC_INVALID_GEOMETRY_ID), instID(RTC_INVALID_GEOMETRY_ID) {}

    Hit (bool opaque, float t, unsigned int primID = 0xFFFFFFFF, unsigned int geomID = 0xFFFFFFFF, unsigned int instID = 0xFFFFFFFF)
      : opaque(opaque), t(t), primID(primID), geomID(geomID), instID(instID) {}

    /* lexicographical order (t,instID,geomID,primID) */
    __forceinline friend bool operator < (const Hit& a, const Hit& b)
    {
      if (a.t == b.t) {
        if (a.instID == b.instID) {
          if (a.geomID == b.geomID) return a.primID < b.primID;
          else                      return a.geomID < b.geomID;
        }
        else return a.instID < b.instID;
      }
      return a.t < b.t;
    }

    __forceinline friend bool operator == (const Hit& a, const Hit& b) {
      return a.t == b.t && a.primID == b.primID && a.geomID == b.geomID && a.instID == b.instID;
    }

    __forceinline friend bool operator <= (const Hit& a, const Hit& b)
    {
      if (a == b) return true;
      else return a < b;
    }

    __forceinline friend bool operator != (const Hit& a, const Hit& b) {
      return !(a == b);
    }

    friend std::ostream& operator<<(std::ostream& cout, const Hit& hit) {
      return cout << "Hit { opaque = " << hit.opaque << ", t = " << hit.t << ", instID = " << hit.instID << ", geomID = " << hit.geomID << ", primID = " << hit.primID << " }";
    }

  public:
    bool opaque;
    float t;
    unsigned int primID;
    unsigned int geomID;
    unsigned int instID;
  };

  /* return number of gathered hits */
  unsigned int size() const {