/// <summary>
/// Gets the gaze ray data of a source eye gaze data.
/// </summary>
/// <param name="gazeIndex">The index of a source of eye gaze data.</param>
/// <param name="ray">The starting point and direction of the ray.</param>
/// <returns>Indicates whether the gaze ray data received is valid.</returns>
public static bool GetGazeRay(GazeIndex gazeIndex, out Ray ray)
{
UpdateData();
return(GetGazeRay(gazeIndex, out ray, EyeData_));
}
/// <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_));
}
/// <summary>
/// Gets the gaze ray of a source of eye gaze data.
/// </summary>
/// <param name="gazeIndex">The index of a source of eye gaze data.</param>
/// <param name="origin">The starting point of the ray in local coordinates.</param>
/// <param name="direction">Tthe direction of the ray.</param>
/// <returns>Indicates whether the eye gaze data received is valid.</returns>
public static bool GetGazeRay(GazeIndex gazeIndex, out Vector3 origin, out Vector3 direction)
{
UpdateData();
return(GetGazeRay(gazeIndex, out origin, out direction, EyeData_));
}
/// <summary>
/// Casts a ray against all colliders.
/// </summary>
/// <param name="index">A source of eye gaze data.</param>
/// <param name="ray">The starting point and direction of the ray.</param>
/// <param name="focusInfo">Information about where the ray focused on.</param>
/// <returns>Indicates whether the ray hits a collider.</returns>
public static bool Focus(GazeIndex index, out Ray ray, out FocusInfo focusInfo)
{
return(Focus(index, out ray, out focusInfo, 0, float.MaxValue));
}
