/// <summary>
/// Warning, a lot of guesstimating happening right here!!!
/// </summary>
void Update()
{
if (HMDPlacementCanvas.gameObject.activeSelf == false)
{
return;
}
float lensCupSeparationInM;
if (TobiiPro_Util.TryGetHmdLensCupSeparationInMeter(out lensCupSeparationInM) == false)
{
Debug.LogError("TobiiPro: Failed to get hmd lens cup separation.");
}
else
{
_lcs = lensCupSeparationInM;
if (TobiiPro_Host.Instance.IsCalibrating == false && Time.frameCount % 45 == 0)
{
TobiiPro_Util.SetLensCupSeparation(_lcs);
}
}
if (HMDPlacementCanvas != null && HMDPlacementCanvas.gameObject.activeSelf)
{
var hmdLcsInMM = _lcs * 1000f;
var lHPos = new Vector3(-hmdLcsInMM, 0);
var rHPos = new Vector3(hmdLcsInMM, 0);
HMDPlacementCanvas.TargetLeft.localPosition = lHPos;
HMDPlacementCanvas.TargetRight.localPosition = rHPos;
var pupilL = SubscribingToHMDGazeData.SubscribingInstance.GetHMDEyeData().LeftEye.PupilPosition.PositionInTrackingArea;
var pupilR = SubscribingToHMDGazeData.SubscribingInstance.GetHMDEyeData().RightEye.PupilPosition.PositionInTrackingArea;
_leftPupilXY = new Vector2(pupilL.X, pupilL.Y);
_rightPupilXY = new Vector2(pupilR.X, pupilR.Y);
var pupilLeft = new Vector2(
_leftPupilXY.x * _sizeOfparent.x,
_leftPupilXY.y * _sizeOfparent.y * -1
);
var pupilRight = new Vector2(
_rightPupilXY.x * _sizeOfparent.x,
_rightPupilXY.y * _sizeOfparent.y * -1
);
if (Mathf.Abs(pupilLeft.y - pupilRight.y) < (0.15f * _sizeOfparent.y))
{
pupilLeft.y = (pupilLeft.y + pupilRight.y) * 0.5f;
pupilRight.y = pupilLeft.y;
}
HMDPlacementCanvas.LeftPupil.anchoredPosition = pupilLeft;
HMDPlacementCanvas.RightPupil.anchoredPosition = pupilRight;
// Coloring
var c = new Vector2(0.5f, 0.5f);
var distLeft = Vector2.Distance(c, _leftPupilXY);
var distRight = Vector2.Distance(c, _rightPupilXY);
HMDPlacementCanvas.LeftPupil.GetComponent <Image>().color = Color.Lerp(Color.green, Color.red, distLeft / 0.35f);
HMDPlacementCanvas.RightPupil.GetComponent <Image>().color = Color.Lerp(Color.green, Color.red, distRight / 0.35f);
// Info to the user
HMDPlacementCanvas.Status.text = distLeft + distRight < 0.25f ? "Awesome!" : "OK";
}
}
// <BeginExample>
private IEnumerator Calibrate(Point3D[] calibrationPoints, GameObject target)
{
if (_eyeTracker == null)
{
yield break;
}
_eyeTracker.CalibrationModeEntered += EyeTracker_CalibrationModeEntered;
_eyeTracker.CalibrationModeLeft += EyeTracker_CalibrationModeLeft;
// Create a calibration object.
var calibration = new HMDBasedCalibration(_eyeTracker);
// Enter calibration mode.
calibration.EnterCalibrationMode();
// Get and set the lens cup separation
float hmdIpdInMeter;
if (TobiiPro_Util.TryGetHmdLensCupSeparationInMeter(out hmdIpdInMeter) == false)
{
Debug.LogWarning("TobiiPro: Failed to get lens cup separation from HMD. Setting default lens cup separation.");
hmdIpdInMeter = 0.0635f;
}
TobiiPro_Util.SetLensCupSeparation(hmdIpdInMeter);
// Collect data.
var index = 0;
var remainingPoints = true;
while (remainingPoints)
{
// Play intro animation for the point
_hasAnimated = false;
WaitingOnIntroAnimation.Invoke(this, new IntroAnimationArgs(index));
yield return(StartCoroutine(WaitingForAnimation()));
var point = calibrationPoints[index];
point = new Point3D(-point.X, point.Y, point.Z);
// Show an image on screen where you want to calibrate.
// target.transform.localPosition = new Vector3(-point.X, point.Y, point.Z) / 1000f;
// Wait a little for user to focus.
yield return(new WaitForSeconds(1.5f));
// Collect data.
CalibrationStatus status = calibration.CollectData(point);
if (status != CalibrationStatus.Success)
{
// Try again if it didn't go well the first time.
// Not all eye tracker models will fail at this point, but instead fail on ComputeAndApply.
Debug.Log("TobiiPro: Calibration for this point wasn't success, try again.");
calibration.CollectData(point);
}
index++;
// Outro animation for the point
_hasAnimated = false;
WaitingOnOutroAnimation.Invoke(this, null);
yield return(StartCoroutine(WaitingForAnimation()));
// Check if there are more points remaining
if (index > calibrationPoints.Length - 1)
{
remainingPoints = false;
}
}
// Compute and apply the calibration.
HMDCalibrationResult calibrationResult = calibration.ComputeAndApply();
Debug.Log(string.Format("Compute and apply returned {0}.", calibrationResult.Status));
// See that you're happy with the result.
// The calibration is done. Leave calibration mode.
OnCalibrationCompleted.Invoke(this, new CalibrationCompletedArgs(calibrationResult.Status));
if (target != null)
{
Destroy(target);
}
_eyeTracker.CalibrationModeEntered -= EyeTracker_CalibrationModeEntered;
calibration.LeaveCalibrationMode();
_eyeTracker.CalibrationModeLeft -= EyeTracker_CalibrationModeLeft;
}
