private void UpdateHitTarget()
{
var eyeGazeProvider = CoreServices.InputSystem?.EyeGazeProvider;
if (eyeGazeProvider != null)
{
if (lastEyeSignalUpdateTimeFromET != eyeGazeProvider.Timestamp)
{
lastEyeSignalUpdateTimeFromET = eyeGazeProvider.Timestamp;
lastEyeSignalUpdateTimeLocal = DateTime.UtcNow;
// ToDo: Handle raycasting layers
RaycastHit hitInfo = default(RaycastHit);
Ray lookRay = new Ray(eyeGazeProvider.GazeOrigin, eyeGazeProvider.GazeDirection.normalized);
bool isHit = UnityEngine.Physics.Raycast(lookRay, out hitInfo);
if (isHit)
{
LookedAtTarget = hitInfo.collider.gameObject;
LookedAtEyeTarget = LookedAtTarget.GetComponent <EyeTrackingTarget>();
LookedAtPoint = hitInfo.point;
}
else
{
LookedAtTarget = null;
LookedAtEyeTarget = null;
}
}
else if ((DateTime.UtcNow - lastEyeSignalUpdateTimeLocal).TotalMilliseconds > EyeTrackingTimeoutInMilliseconds)
{
LookedAtTarget = null;
LookedAtEyeTarget = null;
}
}
}
private void UpdateHitTarget()
{
if (lastEyeSignalUpdateTimeFromET != CoreServices.InputSystem?.EyeGazeProvider?.Timestamp)
{
if ((CoreServices.InputSystem != null) && (CoreServices.InputSystem.EyeGazeProvider != null))
{
lastEyeSignalUpdateTimeFromET = (CoreServices.InputSystem?.EyeGazeProvider?.Timestamp).Value;
lastEyeSignalUpdateTimeLocal = DateTime.UtcNow;
if (LookedAtTarget != null)
{
LookedAtEyeTarget = LookedAtTarget.GetComponent <EyeTrackingTarget>();
}
}
}
else if ((DateTime.UtcNow - lastEyeSignalUpdateTimeLocal).TotalMilliseconds > EyeTrackingTimeoutInMilliseconds)
{
LookedAtEyeTarget = null;
}
}
