// Update is called once per frame
 void Update()
 {
     Debug.Log(1 / Time.deltaTime);
     CameraR.UpdateTexture();
     CameraL.UpdateTexture();
     previewR.texture = CameraR.PreviewTexture;
     previewL.texture = CameraL.PreviewTexture;
 }
 // Update is called once per frame
 private void Update()
 {
     Debug.Log(1 / Time.deltaTime);
     Camera.UpdateTexture();
     preview.texture = Camera.PreviewTexture;
 }