private void Start()
{
MLResult result = MLImageTracker.Start();
if (!result.IsOk)
{
Debug.LogErrorFormat("MLImageTrackerBehavior failed to start image tracker. Reason: {0}", result);
return;
}
_imageTarget = MLImageTracker.AddTarget(gameObject.GetInstanceID().ToString(), Image, LongerDimensionInSceneUnits, HandleTargetResult, IsStationary);
if (_imageTarget == null)
{
Debug.LogErrorFormat("MLImageTrackerBehavior failed to add target {0} to the image tracker.", gameObject.name);
}
_trackerResult.Status = MLImageTargetTrackingStatus.NotTracked;
}
private void OnDestroy()
{
MLImageTracker.RemoveTarget(gameObject.GetInstanceID().ToString());
MLImageTracker.Stop();
}
/// <summary>
/// Updates this image target's tracking data, status, and transforms.
/// OnImageResult is called with the updated result.
/// </summary>
public void UpdateTrackingData()
{
bool success = false;
if (MagicLeapNativeBindings.MLHandleIsValid(this.trackerHandle) && this.IsValid)
{
MLResult.Code result = NativeBindings.MLImageTrackerGetTargetResult(this.trackerHandle, this.targetHandle, ref this.nativeTrackingResult);
if (result != MLResult.Code.Ok)
{
MLPluginLog.ErrorFormat("MLImageTracker.Target.UpdateTrackingData failed getting image tracker target result. Reason: {0}", result);
}
else
{
this.lastTrackingResult.Status = (TrackingStatus)this.nativeTrackingResult.Status;
if (TrackingStatus.NotTracked == this.lastTrackingResult.Status || !MLImageTracker.GetTrackerStatus())
{
// If the target is not being tracked then there is no need to query for the transform.
success = true;
}
else
{
if (MagicLeapNativeBindings.UnityMagicLeap_TryGetPose(this.targetStaticData.CoordFrameTarget, out Pose outputPose))
{
this.lastTrackingResult.Position = outputPose.position;
this.lastTrackingResult.Rotation = outputPose.rotation;
this.lastTrackingResult.Rotation *= Quaternion.Euler(270, 0, 0);
success = true;
}
else
{
MLPluginLog.Error("MLImageTracker.Target.UpdateTrackingData failed getting target transforms.");
}
}
}
if (success)
{
this.OnImageResult?.Invoke(this, this.lastTrackingResult);
}
}
else
{
MLPluginLog.ErrorFormat("MLImageTracker.Target.UpdateTrackingData failed. Reason: Handle was not valid: Tracker Handle: {0}, Existing Target Handle: {1}.", this.trackerHandle, this.targetHandle);
}
}
