/// <summary>
/// This method calculates the type of eye movement given a new point
/// </summary>
/// <param name="newPoint">New point</param>
public void CalculateEyeMovement(GTPoint newPoint)
{
long time = DateTime.UtcNow.Ticks / TimeSpan.TicksPerMillisecond;
AddNewPoint(newPoint, time);
if (recentPoints.Count > 1)
{
if (Operations.GetMaxDistanceOnWindow(recentPoints) < Settings.Instance.EyeMovement.MaxDispersion)
{
CalculateVelocity();
if (velocities[velocities.Count - 1] > Settings.Instance.EyeMovement.MaxAngularSpeed)
{
eyeMovementState = EyeMovementStateEnum.NoFixation;
}
else
{
eyeMovementState = EyeMovementStateEnum.Fixation;
}
}
else
{
eyeMovementState = EyeMovementStateEnum.NoFixation;
}
}
else
{
eyeMovementState = EyeMovementStateEnum.NoFixation;
}
if (eyeMovementState == EyeMovementStateEnum.NoFixation)
{
if (TrackDB.Instance.GetLastSample().EyeMovement == EyeMovementStateEnum.Fixation)
{
recentPoints.Clear();
Settings.Instance.EyeMovement.WindowSize = 2;
AddNewPoint(newPoint, time);
}
}
else
{
Settings.Instance.EyeMovement.WindowSize = Math.Min(Settings.Instance.EyeMovement.WindowSize,
Settings.Instance.EyeMovement.MaxWindowSize);
}
}
/// <summary>
/// This method calculates the type of eye movement given a new point
/// </summary>
/// <param name="newPoint">New point</param>
public void CalculateEyeMovement(GTPoint newPoint)
{
long time = DateTime.UtcNow.Ticks/TimeSpan.TicksPerMillisecond;
AddNewPoint(newPoint, time);
if (recentPoints.Count > 1)
{
if (Operations.GetMaxDistanceOnWindow(recentPoints) < Settings.Instance.EyeMovement.MaxDispersion)
{
CalculateVelocity();
if (velocities[velocities.Count - 1] > Settings.Instance.EyeMovement.MaxAngularSpeed)
eyeMovementState = EyeMovementStateEnum.NoFixation;
else
eyeMovementState = EyeMovementStateEnum.Fixation;
}
else
eyeMovementState = EyeMovementStateEnum.NoFixation;
}
else
eyeMovementState = EyeMovementStateEnum.NoFixation;
if (eyeMovementState == EyeMovementStateEnum.NoFixation)
{
if (TrackDB.Instance.GetLastSample().EyeMovement == EyeMovementStateEnum.Fixation)
{
recentPoints.Clear();
Settings.Instance.EyeMovement.WindowSize = 2;
AddNewPoint(newPoint, time);
}
}
else
Settings.Instance.EyeMovement.WindowSize = Math.Min(Settings.Instance.EyeMovement.WindowSize,
Settings.Instance.EyeMovement.MaxWindowSize);
}
