void Start()
    {
        m_arStreamingController = GameObject.FindObjectOfType <WRLDARStreamingCameraHandler> ();

        // Please import Unity ARKit Plugin if you are seeing a compiler error here.
        m_planeAnchorMap = new Dictionary <string, ARPlaneAnchor> ();

        // Please import Unity ARKit Plugin if you are seeing a compiler error here.
        UnityARSessionNativeInterface.ARAnchorAddedEvent   += AddAnchor;
        UnityARSessionNativeInterface.ARAnchorUpdatedEvent += UpdateAnchor;
        UnityARSessionNativeInterface.ARAnchorRemovedEvent += RemoveAnchor;
    }
 public void Start()
 {
     m_streamingCameraHander = GameObject.FindObjectOfType <WRLDARStreamingCameraHandler> ();
 }