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

            webCamTextureToMatHelper = gameObject.GetComponent <WebCamTextureToMatHelper> ();
            webCamTextureToMatHelper.Init();
        }
 /// <summary>
 /// Raises the change camera button event.
 /// </summary>
 public void OnChangeCameraButton()
 {
     webCamTextureToMatHelper.Init(null, webCamTextureToMatHelper.requestWidth, webCamTextureToMatHelper.requestHeight, !webCamTextureToMatHelper.requestIsFrontFacing);
 }