// This method will be called on a thread belonging to the SDK, and can not safely change values
// that will be read from the main thread.
private void EnqueueEyeData(object sender, HMDGazeDataEventArgs e)
{
lock (_queue)
{
_queue.Enqueue(e);
}
}
internal static void HMDWriteRawGaze(this XmlWriter file, HMDGazeDataEventArgs originalGaze)
{
file.WriteStartElement("OriginalGaze");
file.WriteAttributeString("DeviceTimeStamp", originalGaze.DeviceTimeStamp.ToString());
file.WriteAttributeString("SystemTimeStamp", originalGaze.SystemTimeStamp.ToString());
file.HMDWriteEyeData(originalGaze.LeftEye, "LeftEye");
file.HMDWriteEyeData(originalGaze.RightEye, "RightEye");
file.WriteEndElement();
}
// This method will be called on the main Unity thread
private void HandleGazeData(HMDGazeDataEventArgs e)
{
// Do something with gaze data
// Debug.Log(string.Format(
// "Got gaze data with {0} left eye origin at point ({1}, {2}, {3}) in the HMD coordinate system.",
// e.LeftEye.GazeOrigin.Validity,
// e.LeftEye.GazeOrigin.PositionInHMDCoordinates.X,
// e.LeftEye.GazeOrigin.PositionInHMDCoordinates.Y,
// e.LeftEye.GazeOrigin.PositionInHMDCoordinates.Z));
}
internal static void HMDWriteRawGaze(this XmlWriter file, HMDGazeDataEventArgs originalGaze)
{
System.String currentTime = System.DateTime.Now.ToString("MM/dd HH:mm:ss.fffff");
file.WriteStartElement("OriginalGaze");
file.WriteAttributeString("DeviceTimeStamp", originalGaze.DeviceTimeStamp.ToString());
file.WriteAttributeString("SystemTimeStamp", originalGaze.SystemTimeStamp.ToString());
file.WriteAttributeString("MyCustomStamp", currentTime);
file.HMDWriteEyeData(originalGaze.LeftEye, "LeftEye");
file.HMDWriteEyeData(originalGaze.RightEye, "RightEye");
file.WriteEndElement();
}
internal VRGazeData(HMDGazeDataEventArgs originalGaze, EyeTrackerOriginPose pose)
{
Pose = pose;
var eyeTrackerOrigin = VRUtility.TemporaryTransformWithAppliedPose(pose);
Left = new GazeDataEye(originalGaze.LeftEye, eyeTrackerOrigin);
Right = new GazeDataEye(originalGaze.RightEye, eyeTrackerOrigin);
var combinedDirection = ((Left.GazeDirection + Right.GazeDirection) / 2f).normalized;
var combinedOrigin = (Left.GazeOrigin + Right.GazeOrigin) / 2f;
CombinedGazeRayWorld = new Ray(eyeTrackerOrigin.TransformPoint(combinedOrigin), eyeTrackerOrigin.TransformDirection(combinedDirection));
CombinedGazeRayWorldValid = Left.GazeRayWorldValid && Right.GazeRayWorldValid;
OriginalGaze = originalGaze;
}
private void HMDGazeDataReceivedCallback(object sender, HMDGazeDataEventArgs eventArgs)
{
_originalGazeData.Next = eventArgs;
}
