/// <summary>
 /// Unity OnDisable callback.
 /// </summary>
 private void OnDisable()
 {
     VideoOverlayProvider.SetARScreenDistortion(false);
 }
 /// <summary>
 /// Unity OnEnable callback.
 /// </summary>
 private void OnEnable()
 {
     VideoOverlayProvider.SetARScreenDistortion(true);
 }