public IEnumerator Calibrate(IEyeTracker eyeTracker)
{
// Create a calibration object.
HMDBasedCalibration calibration = new HMDBasedCalibration(eyeTracker);
// Enter calibration mode.
calibration.EnterCalibrationMode();
// Define the points in the HMD space we should calibrate at.
Point3D[] pointsToCalibrate = new Point3D[] {
new Point3D(9f, 9f, 20f),
new Point3D(-9f, 9f, 20f),
new Point3D(-9f, -9f, 20f),
new Point3D(9f, -9f, 20f),
new Point3D(0f, 0f, 20f),
};
// Collect data.
foreach (Point3D point in pointsToCalibrate)
{
// Show an image on screen where you want to calibrate.
Debug.Log("Show point in HMD space at ( " + point.X + " , " + point.Y + " , " + point.Z + " )");
VRHeadsetDebugDisplay.Instance.SetText("Show point in HMD space at ( " + point.X + " , " + point.Y + " , " + point.Z + " )");
DisplayImgAtPoint(new Vector3(point.X, point.Y, point.Z));
// Wait a little for user to focus.
yield return(new WaitForSeconds(5));
// 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.
calibration.CollectData(point);
Debug.Log("Calibration point status : " + status);
}
VRHeadsetDebugDisplay.Instance.SetText("Ok, next!");
}
// Compute and apply the calibration.
HMDCalibrationResult calibrationResult = calibration.ComputeAndApply();
Debug.Log("Compute and apply returned : " + calibrationResult.Status);
// See that you're happy with the result.
// The calibration is done. Leave calibration mode.
calibration.LeaveCalibrationMode();
VRHeadsetDebugDisplay.Instance.SetText("All finished!");
}
/// <summary>
/// The thread function that calls the blocking calibration methods.
/// </summary>
private void ThreadFunction()
{
// Get the eye tracker
var eyeTracker = VREyeTracker.Instance.EyeTrackerInterface;
if (eyeTracker == null)
{
return;
}
Running = true;
// Create the calibration object.
var hmd = new HMDBasedCalibration(eyeTracker);
// Find out how long the calls took using a stopwatch.
var stopWatch = new System.Diagnostics.Stopwatch();
// Handle the calibration commands.
while (Running)
{
var currentResult = MethodResult.CurrentResult;
stopWatch.Reset();
stopWatch.Start();
if (currentResult == null)
{
Thread.Sleep(25);
}
else
{
switch (currentResult.Command)
{
case MethodResult.CommandType.Invalid:
Thread.Sleep(25);
break;
case MethodResult.CommandType.Enter:
hmd.EnterCalibrationMode();
stopWatch.Stop();
currentResult.Finished(CalibrationStatus.Success, (int)stopWatch.ElapsedMilliseconds);
break;
case MethodResult.CommandType.Collect:
var collectResult = hmd.CollectData(MethodResult.CurrentPoint);
stopWatch.Stop();
currentResult.Finished(collectResult, (int)stopWatch.ElapsedMilliseconds);
break;
case MethodResult.CommandType.Compute:
var applyResult = hmd.ComputeAndApply();
stopWatch.Stop();
currentResult.Finished(applyResult.Status, (int)stopWatch.ElapsedMilliseconds);
break;
case MethodResult.CommandType.Leave:
hmd.LeaveCalibrationMode();
stopWatch.Stop();
currentResult.Finished(CalibrationStatus.Success, (int)stopWatch.ElapsedMilliseconds);
break;
default:
Thread.Sleep(25);
break;
}
}
}
}
// <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;
}