问如何在arCore plane中设置3d模型而无需点击

EN

addOnUpdateListener(this::onUpdate);

 private void onUpdate(FrameTime frameTime) {
    if (numOfModels > 0) return;
    modelLoader1 = new ModelLoader(weakReference);
    Frame frame = arFragment.getArSceneView().getArFrame();
    Collection<Plane> planes = frame.getUpdatedTrackables(Plane.class);
    for (Plane plane : planes) {
        if (plane.getTrackingState() == TrackingState.TRACKING) {
            addObject(Uri.parse("andy_dance.sfb"));
            break;
        }
    }
}

private void addObject(Uri model) {
    Frame frame = arFragment.getArSceneView().getArFrame();
    android.graphics.Point pt = getScreenCenter();
    List<HitResult> hits;
    if (frame != null) {
        hits = frame.hitTest(pt.x, pt.y);
        for (HitResult hit : hits) {
            Trackable trackable = hit.getTrackable();
            if (trackable instanceof Plane &&
                    ((Plane) trackable).isPoseInPolygon(hit.getHitPose())) {
                modelLoader1.loadModel(hit.createAnchor(), model);
                break;

            }
        }
    }
}

public void loadModel(Anchor anchor, Uri uri) {
    if (owner.get() == null) {
        Log.d(TAG, "Activity is null.  Cannot load model.");
        return;
    }
    ModelRenderable.builder()
            .setSource(owner.get(), uri)
            .build()
            .handle((renderable, throwable) -> {
                MainActivity activity = owner.get();
                if (activity == null) {
                    return null;
                } else if (throwable != null) {
                    activity.onException(throwable);
                } else {
                    activity.addNodeToScene(anchor, renderable);
                }
                return null;
            });

    return;
}

public void addNodeToScene(Anchor anchor, ModelRenderable renderable) {
    numOfModels++;
    AnchorNode anchorNode = new AnchorNode(anchor);
    TransformableNode node = new TransformableNode(arFragment.getTransformationSystem());
    node.setRenderable(renderable);
    node.setParent(anchorNode);
    node.setLocalPosition(new Vector3(0f, 0f, 0f));
    modelLoader1.setNumofLivesModel0(2);
    arFragment.getArSceneView().getScene().addChild(anchorNode);

    setNodeListener(node, anchorNode, modelLoader1);