/// <summary>
/// Tests eye gaze data when enable eye callback function.
/// </summary>
/// <param name="validity">A type of eye gaze data to test with.</param>
/// <param name="gazeIndex">The index of a source of eye gaze data.</param>
/// <param name="eye_data">ViveSR.anipal.Eye.EyeData. </param>
/// <returns>Indicates whether a source of eye gaze data is found.</returns>
public static bool TryGaze(SingleEyeDataValidity validity, out GazeIndex gazeIndex, EyeData eye_data)
{
bool[] valid = new bool[(int)GazeIndex.COMBINE + 1] {
eye_data.verbose_data.left.GetValidity(validity),
eye_data.verbose_data.right.GetValidity(validity),
eye_data.verbose_data.combined.eye_data.GetValidity(validity)
};
gazeIndex = GazeIndex.COMBINE;
for (int i = (int)GazeIndex.COMBINE; i >= 0; --i)
{
if (valid[i])
{
gazeIndex = (GazeIndex)i;
return(true);
}
}
return(false);
}
public bool GetValidity(SingleEyeDataValidity validity)
{
return((eye_data_validata_bit_mask & (ulong)(1 << (int)validity)) > 0);
}
/// <summary>
/// Tests eye gaze data.
/// </summary>
/// <param name="validity">A type of eye gaze data to test with.</param>
/// <param name="gazeIndex">The index of a source of eye gaze data.</param>
/// <returns>Indicates whether a source of eye gaze data is found.</returns>
public static bool TryGaze(SingleEyeDataValidity validity, out GazeIndex gazeIndex)
{
UpdateData();
return(TryGaze(validity, out gazeIndex, EyeData_));
}