//---------------------------------------------------------------------
// Implementing IGazeFocusInternal
//---------------------------------------------------------------------
/// <summary>
/// Registers the supplied <see cref="IGazeFocusable"/> component so that
/// the <see cref="GameObject"/> it belongs to can be focused using eye-gaze.
/// </summary>
/// <param name="gazeFocusableComponent"></param>
public void RegisterFocusableComponent(IGazeFocusable gazeFocusableComponent)
{
if (FocusableObjects.Count == 0)
{
Initialize();
}
var instanceId = gazeFocusableComponent.gameObject.GetInstanceID();
if (!FocusableObjects.ContainsKey(instanceId))
{
FocusableObjects.Add(instanceId, gazeFocusableComponent);
}
}
/// <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)
{
FocusedObject = FocusedObject.Invalid;
}
FocusableObjects.Remove(instanceId);
if (Scorer != null)
{
Scorer.RemoveObject(gazeFocusableComponent.gameObject);
}
if (_multiScorer != null)
{
_multiScorer.RemoveObject(gazeFocusableComponent.gameObject);
}
}
/// <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);
}
}
public void UnregisterFocusableComponent(
IGazeFocusable gazeFocusableComponent)
{
/** no implementation **/
}