private void SafeAdd <T>(NRTrackable trackable, List <T> trackables) where T : NRTrackable
{
if (trackable is T)
{
trackables.Add(trackable as T);
}
}
/**
* @brief Get the list of trackables with specified filter.
* @param[out] trackableList A list where the returned trackable stored. The previous values will be cleared.
* @param filter Query filter.
*/
public void GetTrackables <T>(List <T> trackables, NRTrackableQueryFilter filter) where T : NRTrackable
{
if (m_LastUpdateFrame < Time.frameCount)
{
TrackableType t_type = GetTrackableType <T>();
// Update trackable by type
UpdateTrackables(t_type);
// Find the new trackable in this frame
m_NewTrackables.Clear();
for (int i = 0; i < m_AllTrackables.Count; i++)
{
NRTrackable trackable = m_AllTrackables[i];
if (!m_OldTrackables.Contains(trackable))
{
m_NewTrackables.Add(trackable);
m_OldTrackables.Add(trackable);
}
}
m_LastUpdateFrame = Time.frameCount;
}
trackables.Clear();
if (filter == NRTrackableQueryFilter.All)
{
for (int i = 0; i < m_AllTrackables.Count; i++)
{
SafeAdd <T>(m_AllTrackables[i], trackables);
}
}
else if (filter == NRTrackableQueryFilter.New)
{
for (int i = 0; i < m_NewTrackables.Count; i++)
{
SafeAdd <T>(m_NewTrackables[i], trackables);
}
}
}
/// <summary>
/// Create a anchor for the trackable object
/// </summary>
/// <param name="trackable">Instantiate a NRAnchor object which Update trackable pose every frame</param>
/// <returns>NRAnchor</returns>
public static NRAnchor Factory(NRTrackable trackable)
{
if (trackable == null)
{
return(null);
}
NRAnchor result;
if (m_AnchorDict.TryGetValue(trackable.GetDataBaseIndex(), out result))
{
return(result);
}
NRAnchor anchor = (new GameObject()).AddComponent <NRAnchor>();
anchor.gameObject.name = "Anchor";
anchor.Trackable = trackable;
m_AnchorDict.Add(trackable.GetDataBaseIndex(), anchor);
return(anchor);
}
/**
* @brief Get the list of trackables with specified filter.
* @param[out] trackableList A list where the returned trackable stored. The previous values will be cleared.
* @param filter Query filter.
*/
public void GetTrackables <T>(List <T> trackables, NRTrackableQueryFilter filter) where T : NRTrackable
{
TrackableType t_type = GetTrackableType <T>();
#if !UNITY_EDITOR_OSX
// Update trackable by type
UpdateTrackables(t_type);
#endif
// Find the new trackable in this frame
m_NewTrackables.Clear();
for (int i = 0; i < m_AllTrackables.Count; i++)
{
NRTrackable trackable = m_AllTrackables[i];
if (!m_OldTrackables.Contains(trackable))
{
m_NewTrackables.Add(trackable);
m_OldTrackables.Add(trackable);
}
}
trackables.Clear();
if (filter == NRTrackableQueryFilter.All)
{
for (int i = 0; i < m_AllTrackables.Count; i++)
{
SafeAdd <T>(m_AllTrackables[i], trackables);
}
}
else if (filter == NRTrackableQueryFilter.New)
{
for (int i = 0; i < m_NewTrackables.Count; i++)
{
SafeAdd <T>(m_NewTrackables[i], trackables);
}
}
}
public void Initialize(NRTrackable trackable)
{
Trackable = trackable;
}
