A TrackedPlanesController (ARScene.Listener interface implementation) that tracks planes and renders a surface on them. onAnchorFound is an interface method implemented by TrackedPlanesController

TrackedPlanesController_onAnchorFound.java

        @Override
        public void onAnchorFound(ARAnchor arAnchor, ARNode arNode) {
            // Spawn a visual plane if a PlaneAnchor was found
            if (arAnchor.getType() == ARAnchor.Type.PLANE){
                ARPlaneAnchor planeAnchor = (ARPlaneAnchor)arAnchor;

                // Create the visual geometry representing this plane
                Vector dimensions = planeAnchor.getExtent();
                Surface plane = new Surface(1,1);
                plane.setWidth(dimensions.x);
                plane.setHeight(dimensions.z);

                // Set a default material for this plane.
                Material material = new Material();
                material.setDiffuseColor(Color.parseColor("#BF000000"));
                plane.setMaterials(Arrays.asList(material));

                // Attach it to the node
                Node planeNode = new Node();
                planeNode.setGeometry(plane);
                planeNode.setRotation(new Vector(-Math.toRadians(90.0), 0, 0));
                planeNode.setPosition(planeAnchor.getCenter());

                // Attach this planeNode to the anchor's arNode
                arNode.addChildNode(planeNode);
                surfaces.put(arAnchor.getAnchorId(), planeNode);

                // Attach click listeners to be notified upon a plane onClick.
                planeNode.setClickListener(new ClickListener() {
                    @Override
                    public void onClick(int i, Node node, Vector vector) {
                        for (ClickListener listener : mPlaneClickListeners){
                            listener.onClick(i, node, vector);
                        }
                    }

                    @Override
                    public void onClickState(int i, Node node, ClickState clickState, Vector vector) {
                        //No-op
                    }
                });

                // Finally, hide isTracking UI if we haven't done so already.
                hideIsTrackingLayoutUI();
            }
        }