//--------------------------------------------------------------------
// MonoBehaviour event functions (messages)
//--------------------------------------------------------------------
/// <summary>
/// Initialize helper classes and state accessors on Awake
/// </summary>
void Awake()
{
_runInBackground = Application.runInBackground;
#if UNITY_EDITOR
_gameViewBoundsProvider = CreateEditorScreenHelper();
#else
_gameViewBoundsProvider = new UnityPlayerGameViewBoundsProvider();
#endif
_gazeFocus = new GazeFocus();
_screenBoundsStateAccessor = new StateAccessor <Tobii.EyeX.Client.Rect>(StatePaths.EyeTrackingScreenBounds);
_displaySizeStateAccessor = new StateAccessor <Size2>(StatePaths.EyeTrackingDisplaySize);
_eyeTrackingDeviceStatusStateAccessor = new StateAccessor <EyeTrackingDeviceStatus>(StatePaths.EyeTrackingState);
_userPresenceStateAccessor = new StateAccessor <Tobii.EyeX.Framework.UserPresence>(StatePaths.UserPresence);
_userProfileNameStateAccessor = new StateAccessor <string>(StatePaths.ProfileName);
_userProfileNamesStateAccessor = new EnumerableStateAccessor <string>(StatePaths.EyeTrackingProfiles);
_gazeTracking = new StateAccessor <Tobii.EyeX.Framework.GazeTracking>(StatePaths.GazeTracking);
}
private void UpdateFocusConfidenceScore(IEnumerable <GameObject> objectsInGaze)
{
foreach (var objectInGaze in objectsInGaze)
{
var instanceId = objectInGaze.GetInstanceID();
if (!_scoredObjects.ContainsKey(instanceId))
{
if (!GazeFocus.IsFocusableObject(objectInGaze))
{
continue;
}
_scoredObjects.Add(objectInGaze.GetInstanceID(), new ScoredObject(objectInGaze, GainGazeDwellTime, LoseGazeDwellTime));
}
ScoredObject hitObject = _scoredObjects[instanceId];
hitObject.AddHit(Time.time, Time.deltaTime);
}
ClearFocusedObjectIfOld();
}
public FocusedObject GetFocusedObject(IEnumerable <GazePoint> lastGazePoints, Camera camera)
{
var gazePoint = lastGazePoints.Last();
if (!gazePoint.IsWithinScreenBounds)
{
return(FocusedObject.Invalid);
}
GameObject focusedObject = null;
RaycastHit hitInfo;
if (HitTestFromPoint.FindObjectInWorld(out hitInfo, gazePoint.Screen, camera, MaximumDistance, LayerMask))
{
if (GazeFocus.IsFocusableObject(hitInfo.collider.gameObject))
{
focusedObject = hitInfo.collider.gameObject;
}
}
return(new FocusedObject(focusedObject));
}
private static void NotifySettingsChanged()
{
GazeFocus.SettingsUpdated();
}