private void HandleImageTrackerBehaviorOnTargetLost(MLMarkerTrackerArgs args)
{
if (TryGetARAnchor(args, out IARAnchor anchor))
{
Activate(anchor.ID, false);
}
}
private void AddToDatabase(MLMarkerTrackerArgs args, IARAnchor anchor)
{
string markerID = GetMarkerID(args);
if (!_database.ContainsKey(markerID))
{
_database.Add(markerID, anchor.ID);
}
}
private void HandleImageTrackerBehaviorOnTargetFound(MLMarkerTrackerArgs args)
{
if (TryGetARAnchor(args, out IARAnchor anchor))
{
Activate(anchor.ID, true);
return;
}
DetectedNewAnchor(args);
}
private ARMarkerEventData CreateEventData(MLMarkerTrackerArgs args)
{
string id = GetMarkerID(args);
return(new ARMarkerEventData
{
ID = id,
Name = $"NRTrackableImage-[{id}]",
});
}
private void DetectedNewAnchor(MLMarkerTrackerArgs args)
{
string markerID = GetMarkerID(args);
Debug.Log($"Detected new marker [{markerID}]");
IARAnchor anchor = GetOrCreateARAnchor(args);
UpdateAnchorLocation(anchor, args.Result.Position, args.Result.Rotation);
OnDetectAnchorFirst?.Invoke(anchor, CreateEventData(args));
}
private IARAnchor GetOrCreateARAnchor(MLMarkerTrackerArgs args)
{
if (TryGetARAnchor(args, out IARAnchor anchor))
{
return(anchor);
}
anchor = _anchorService.Create();
AddToDatabase(args, anchor);
Activate(anchor.ID, true);
return(anchor);
}
private bool TryGetARAnchor(MLMarkerTrackerArgs args, out IARAnchor anchor)
{
AnchorID anchorID;
string markerID = GetMarkerID(args);
if (_database.TryGetValue(markerID, out anchorID))
{
anchor = _anchorService.Find(anchorID);
return(true);
}
anchor = null;
return(false);
}
private void DetectedUpdateAnchor(MLMarkerTrackerArgs args)
{
if (!TryGetARAnchor(args, out IARAnchor anchor))
{
return;
}
if (!IsActive(anchor.ID))
{
return;
}
UpdateAnchorLocation(anchor, args.Result.Position, args.Result.Rotation);
OnUpdateAnchorPosition?.Invoke(anchor, CreateEventData(args));
}
private void HandleImageTrackerBehaviorOnTargetUpdated(MLMarkerTrackerArgs args)
{
DetectedUpdateAnchor(args);
}
private string GetMarkerID(MLMarkerTrackerArgs args)
{
return(args.Reference.ID);
}