private void OnGUI() { if (GUILayout.Button("Set Parameter")) { EyeParameter parameter = new EyeParameter { gaze_ray_parameter = new GazeRayParameter(), }; Error error = SRanipal_Eye_API.GetEyeParameter(ref parameter); Debug.Log("GetEyeParameter: " + error + "\n" + "sensitive_factor: " + parameter.gaze_ray_parameter.sensitive_factor); parameter.gaze_ray_parameter.sensitive_factor = parameter.gaze_ray_parameter.sensitive_factor == 1 ? 0.015f : 1; error = SRanipal_Eye_API.SetEyeParameter(parameter); Debug.Log("SetEyeParameter: " + error + "\n" + "sensitive_factor: " + parameter.gaze_ray_parameter.sensitive_factor); } if (GUILayout.Button("Launch Calibration")) { SRanipal_Eye_API.LaunchEyeCalibration(IntPtr.Zero); } }