public void UpdateVisibleFrame()
        {
#if UNITY_EDITOR
            PikkartARCore.UpdateCameraTexture(imagePtr_receive);
#endif
            if (textureToShow != null)
            {
                textureToShow.LoadRawTextureData(imagePtr_receive, Constants.CAMERA_REQUESTED_WIDTH * Constants.CAMERA_REQUESTED_HEIGHT * 4);
                textureToShow.Apply();
                if (rawImage != null)
                {
                    rawImage.texture = textureToShow;
                }
            }
        }