Function createPoints

tutorials/voronoi/voronoi_device.cpp:122–150

}

void createPoints (TutorialData& data)
{
  RTCGeometry geom = rtcNewGeometry(g_device, RTC_GEOMETRY_TYPE_USER);
  data.points = (Point*) alignedMalloc(data.num_points*sizeof(Point), 16);
  data.points_tmp = (Point*) alignedMalloc(data.num_points*sizeof(Point), 16);
  unsigned int geomID = rtcAttachGeometry(data.scene, geom);
  for (int i=0; i<data.num_points; i++) {
    data.points[i].geometry = geom;
    data.points[i].geomID = geomID;
    data.points_tmp[i].geometry = geom;
    data.points_tmp[i].geomID = geomID;
  }
  rtcSetGeometryUserPrimitiveCount(geom, data.num_points);
  rtcSetGeometryUserData(geom, data.points);
  rtcSetGeometryBoundsFunction(geom, pointBoundsFunc, nullptr);
  rtcCommitGeometry(geom);
  rtcReleaseGeometry(geom);

  RandomSampler rs;
  RandomSampler_init(rs, 42);
  for (int i = 0; i < data.num_points; ++i) 
  {
    float xi1 = RandomSampler_getFloat(rs);
    float xi2 = RandomSampler_getFloat(rs);
    data.points[i].p = Vec3f(xi1, 0.f, xi2);
  }

  g_num_points_current = data.num_points;
}

/* called by the C++ code for initialization */
extern "C" void device_init (char* cfg)