public void PauseARKitSession()
    {
        ArKitCameraParent.I.ToggleCamera(false);
        m_session.Pause();
    }

    public void ResumeARKitSession()
    {
        ArKitCameraParent.I.ToggleCamera(true);
        ResetTracking();
    }
    public int GetTrackingQuality()
    {
        return  m_session.GetARTrackingQuality();
    }
    public void ResetTracking()
    {
        //UnityARAlignmentGravityAndHeading
        ARKitWorldTackingSessionConfiguration sessionConfig = new ARKitWorldTackingSessionConfiguration (
            UnityARAlignment.UnityARAlignmentGravity, UnityARPlaneDetection.Horizontal,true,true);
        UnityARSessionNativeInterface.GetARSessionNativeInterface ().RunWithConfigAndOptions (
            sessionConfig, UnityARSessionRunOption.ARSessionRunOptionRemoveExistingAnchors |
                           UnityARSessionRunOption.ARSessionRunOptionResetTracking);

    }