// Use this for initialization
        void Start()
        {
            if (downscaleRatio < 1)
            {
                downscaleRatio = 1;
            }

            displayCameraPreviewToggle.isOn = displayCameraPreview;

            webCamTextureToMatHelper = gameObject.GetComponent <WebCamTextureToMatHelper> ();
            webCamTextureToMatHelper.Initialize();
        }
 /// <summary>
 /// Raises the change camera button click event.
 /// </summary>
 public void OnChangeCameraButtonClick()
 {
     webCamTextureToMatHelper.Initialize(null, webCamTextureToMatHelper.requestedWidth, webCamTextureToMatHelper.requestedHeight, !webCamTextureToMatHelper.requestedIsFrontFacing);
 }