public bool Equals(FocusedObject that)
{
if (this.IsValid && that.IsValid &&
this.GameObject.GetInstanceID() == that.GameObject.GetInstanceID())
{
return(true);
}
if (!this.IsValid && !that.IsValid)
{
return(true);
}
return(false);
}
/// <summary>
/// Updates the gaze focus according to the latest gaze data.
/// </summary>
public void UpdateGazeFocus()
{
if (!IsInitialized)
{
return;
}
IEnumerable <GazePoint> lastGazePoints;
if (!TryGetLastGazePoints(out lastGazePoints))
{
FocusedObject = Scorer.GetFocusedObject();
return;
}
FocusedObject = Scorer.GetFocusedObject(lastGazePoints, Camera);
}
/// <summary>
/// Unregisters the supplied <see cref="IGazeFocusable"/> component so
/// that the <see cref="GameObject"/> it belongs to no longer can be
/// focused using eye-gaze.
/// </summary>
/// <param name="gazeFocusableComponent"></param>
public void UnregisterFocusableComponent(IGazeFocusable gazeFocusableComponent)
{
var instanceId = gazeFocusableComponent.gameObject.GetInstanceID();
if (_focusedObject.IsValid &&
_focusedObject.GameObject.GetInstanceID() == instanceId)
{
// TODO: set to other object with high focus confidence instead?
FocusedObject = FocusedObject.Invalid;
}
FocusableObjects.Remove(instanceId);
if (Scorer != null)
{
Scorer.RemoveObject(gazeFocusableComponent.gameObject);
}
if (_multiScorer != null)
{
_multiScorer.RemoveObject(gazeFocusableComponent.gameObject);
}
}