/// <summary>
/// Calibrations the callback function.
/// </summary>
/// <param name="calibrationPoint">The calibration point.</param>
void CalibrationCallbackFunction(EyeTrackingController.CalibrationPointStruct calibrationPoint)
{
string data = ("Data from CalibrationCallback - Number:" + calibrationPoint.number + " PosX:" + calibrationPoint.positionX + " PosY:" + calibrationPoint.positionY);
log("CalibrationCallbackFunction: " + data);
}
/// <summary>
/// Initializes this instance.
/// </summary>
public void initialize()
{
ETDevice = new EyeTrackingController();
m_CalibrationCallback = new CalibrationCallback(CalibrationCallbackFunction);
m_SampleCallback = new GetSampleCallback(GetSampleCallbackFunction);
m_EventCallback = new GetEventCallback(GetEventCallbackFunction);
m_EyeImageCallback = new GetEyeImageCallback(GetEyeImageCallbackFunction);
m_SceneVideoCallback = new GetSceneVideoCallback(GetSceneVideoCallbackFunction);
m_TrackingMonitorCallback = new GetTrackingMonitorCallback(GetTrackingMonitorCallbackFunction);
}
/// <summary>
/// Gets the sample callback function.
/// </summary>
/// <param name="sampleData">The sample data.</param>
void GetSampleCallbackFunction(EyeTrackingController.SampleStruct sampleData)
{
string data = ("Data from SampleCallback - timestamp: " + sampleData.timestamp.ToString() +
" - GazeRX: " + sampleData.rightEye.gazeX.ToString() +
" - GazeRY: " + sampleData.rightEye.gazeY.ToString() +
" - GazeLX: " + sampleData.leftEye.gazeX.ToString() +
" - GazeLY: " + sampleData.leftEye.gazeY.ToString() +
" - DiamRX: " + sampleData.rightEye.diam.ToString() +
" - DiamLX: " + sampleData.leftEye.diam.ToString() +
" - DistanceR: " + sampleData.rightEye.eyePositionZ.ToString() +
" - DistanceL: " + sampleData.leftEye.eyePositionZ.ToString());
//log("GetSampleCallbackFunction: " + data);
if (listener != null)
{
listener.onSampleData(sampleData);
}
}
/// <summary>
/// Gets the event callback function.
/// </summary>
/// <param name="eventData">The event data.</param>
void GetEventCallbackFunction(EyeTrackingController.EventStruct eventData)
{
string data = ("Data from EventCallback - eye: " + eventData.eye.ToString() +
" Event: " + eventData.eventType + " startTime: " + eventData.startTime.ToString() +
" End:" + eventData.endTime.ToString() + " duration:" + eventData.duration.ToString() +
" PosX:" + eventData.positionX.ToString() + " PosY:" + eventData.positionY.ToString());
//log("GetEventCallbackFunction: " + data);
}
/// <summary>
/// Gets the scene video callback function.
/// </summary>
/// <param name="image">The image.</param>
void GetSceneVideoCallbackFunction(EyeTrackingController.ImageStruct image)
{
}
/// <summary>
/// Gets the eye image callback function.
/// </summary>
/// <param name="image">The image.</param>
void GetEyeImageCallbackFunction(EyeTrackingController.ImageStruct image)
{
}
/// <summary>
/// Gets the tracking monitor callback function.
/// </summary>
/// <param name="image">The image.</param>
void GetTrackingMonitorCallbackFunction(EyeTrackingController.ImageStruct image)
{
}
/// <summary>
/// Ons the sample data.
/// </summary>
/// <param name="data">The data.</param>
public void onSampleData(EyeTrackingController.SampleStruct data)
{
lock (LOCK)
{
if (!IsTracking)
{
return;
}
if (this.GazeDataChanged == null)
{
return;
}
GazeData gazeData = ExtractTrackerData(data);
GazeDataChangedEventArgs eventArgs = new GazeDataChangedEventArgs(gazeData);
this.OnGazeDataChanged(eventArgs);
}
}
/// <summary>
/// Extracts the tracker data.
/// </summary>
/// <param name="data">The data.</param>
/// <returns></returns>
public GazeData ExtractTrackerData(EyeTrackingController.SampleStruct data)
{
GazeData result = new GazeData();
float gazePosXLeft = Convert.ToSingle(data.leftEye.gazeX);
float gazePosXRight = Convert.ToSingle(data.rightEye.gazeX);
float gazePosYLeft = Convert.ToSingle(data.leftEye.gazeY);
float gazePosYRight = Convert.ToSingle(data.rightEye.gazeY);
result.GazePosX = (gazePosXLeft + gazePosXRight) / 2;
result.GazePosY = (gazePosYLeft + gazePosYRight) / 2;
if (result.GazePosX > 1000 * 10)
{
result.GazePosX = result.GazePosX / 1000;
}
if (result.GazePosY > 1000 * 10)
{
result.GazePosY = result.GazePosY / 1000;
}
long MICROSECONDS = 1000;
result.Time = (data.timestamp / MICROSECONDS);
this.lastTime = result.Time;
result.PupilDiaX = Convert.ToSingle(data.leftEye.diam);
result.PupilDiaY = Convert.ToSingle(data.rightEye.diam);
return result;
}
