Method addUserGeometryEmpty

tutorials/verify/verify.cpp:364–378

    }

    std::pair<unsigned,Ref<SceneGraph::Node>> addUserGeometryEmpty (RandomSampler& sampler, RTCBuildQuality quality, Sphere* sphere)
    {
      RTCGeometry geom = rtcNewGeometry (device, RTC_GEOMETRY_TYPE_USER);
      rtcSetGeometryUserPrimitiveCount(geom,1);
      rtcSetGeometryBuildQuality(geom,quality);
      AssertNoError(device);
      rtcSetGeometryBoundsFunction(geom,BoundsFunc,nullptr);
      rtcSetGeometryUserData(geom,sphere);
      rtcSetGeometryIntersectFunction(geom,IntersectFuncN);
      rtcSetGeometryOccludedFunction(geom,OccludedFuncN);
      rtcCommitGeometry(geom);
      unsigned int geomID = rtcAttachGeometry(scene,geom);
      rtcReleaseGeometry(geom);
      return std::make_pair(geomID,Ref<SceneGraph::Node>(nullptr));
    }

    void resizeRandomly (std::pair<unsigned,Ref<SceneGraph::Node>> geom, RandomSampler& sampler)
    {