// Update is called once per frame
void Update()
{
var gazeRay = FoveManager.GetHmdCombinedGazeRay().value;
var gazeDepth = FoveManager.GetCombinedGazeDepth().value;
var dist = useGazeConvergenceDepth ? gazeDepth : distance;
if (float.IsInfinity(dist) || float.IsNaN(dist))
{
dist = distance;
}
transform.localPosition = gazeRay.origin + dist * gazeRay.direction;
pointRenderer.enabled = !FoveManager.IsEyeTrackingCalibrating();
}
private void RecordDatum(bool immediate)
{
// If recording is stopped (which is it by default), loop back around next frame.
if (!shouldRecord)
{
return;
}
if (!immediate) // we run in the same thread as unity we can update the transformations in a synchronized way
{
UpdateFoveInterfaceMatrices(false);
}
bool frameMarked;
Result <string> gazedObjectName;
Matrix4x4 transformMat;
Vector3 hmdPosition;
Quaternion hmdOrientation;
lock (unityThreadData)
{
switch (gazeCoordinateSpace)
{
case CoordinateSpace.World:
transformMat = unityThreadData.HMDToWorld;
break;
case CoordinateSpace.Local:
transformMat = unityThreadData.HMDToLocal;
break;
default:
transformMat = Matrix4x4.identity;
break;
}
frameMarked = unityThreadData.markKeyDown;
gazedObjectName = unityThreadData.gazedObject;
hmdPosition = unityThreadData.HMDPosition;
hmdOrientation = unityThreadData.HMDOrientation;
}
var eyeOffsets = FoveManager.GetEyeOffsets();
var eyeVectorL = FoveManager.GetHmdGazeVector(Eye.Left);
var eyeVectorR = FoveManager.GetHmdGazeVector(Eye.Right);
Stereo <Result <Ray> > eyeRays;
eyeRays.left = Utils.CalculateWorldGazeVector(ref transformMat, ref eyeOffsets.value.left, ref eyeVectorL);
eyeRays.right = Utils.CalculateWorldGazeVector(ref transformMat, ref eyeOffsets.value.right, ref eyeVectorR);
var gazeDepth = FoveManager.GetCombinedGazeDepth();
var combinedRay = FoveManager.GetHmdCombinedGazeRay();
combinedRay.value.origin = transformMat.MultiplyPoint(combinedRay.value.origin);
combinedRay.value.direction = transformMat.MultiplyVector(combinedRay.value.direction).normalized;
var pupilRadiusLeft = FoveManager.GetPupilRadius(Eye.Left);
var pupilRadiusRight = FoveManager.GetPupilRadius(Eye.Right);
var eyeStateL = FoveManager.GetEyeState(Eye.Left);
var eyeStateR = FoveManager.GetEyeState(Eye.Right);
var eyeTorsionL = FoveManager.GetEyeTorsion(Eye.Left);
var eyeTorsionR = FoveManager.GetEyeTorsion(Eye.Right);
// If you add new fields, be sure to write them here.
var datum = new Datum
{
AppTime = (float)stopwatch.Elapsed.TotalSeconds,
UserMark = frameMarked,
GazedObjectName = gazedObjectName,
HeadsetPosition = new Result <Vector3>(hmdPosition),
HeadsetOrientation = new Result <Quaternion>(hmdOrientation),
CombinedRay = combinedRay,
GazeDepth = gazeDepth,
EyeRays = eyeRays,
EyesState = new Stereo <Result <EyeState> >(eyeStateL, eyeStateR),
PupilsRadius = new Stereo <Result <float> >(pupilRadiusLeft, pupilRadiusRight),
EyeTorsions = new Stereo <Result <float> >(eyeTorsionL, eyeTorsionR),
UserPresence = FoveManager.IsUserPresent(),
UserAttentionShift = FoveManager.IsUserShiftingAttention(),
IPD = FoveManager.GetUserIPD(),
IOD = FoveManager.GetUserIOD(),
EyeballRadius = new Stereo <Result <float> >(FoveManager.GetEyeballRadius(Eye.Left), FoveManager.GetEyeballRadius(Eye.Right)),
ScreenGaze = new Stereo <Result <Vector2> >(FoveManager.GetGazeScreenPosition(Eye.Left), FoveManager.GetGazeScreenPosition(Eye.Right)),
EyeShape = new Stereo <Result <Fove.Unity.EyeShape> >(FoveManager.GetEyeShape(Eye.Left), FoveManager.GetEyeShape(Eye.Right)),
PupilShape = new Stereo <Result <Fove.Unity.PupilShape> >(FoveManager.GetPupilShape(Eye.Left), FoveManager.GetPupilShape(Eye.Right)),
};
dataSlice.Add(datum);
if (dataSlice.Count >= writeAtDataCount)
{
flushData();
}
}