LWJ AR_Swift

import UIKit
import SceneKit
import ARKit
class ViewController: UIViewController, ARSCNViewDelegate {
    @IBOutlet var sceneView: ARSCNView!
    override func viewDidLoad() {
        super.viewDidLoad()
        // Set the view's delegate
        sceneView.delegate = self
        // Show statistics such as fps and timing information
        sceneView.showsStatistics = true
        // Create a new scene
        let scene = SCNScene(named: "art.scnassets/ship.scn")!
        // Set the scene to the view
        sceneView.scene = scene
    }
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        // Create a session configuration
        let configuration = ARWorldTrackingSessionConfiguration()
        // Run the view's session
        sceneView.session.run(configuration)
    }
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        // Pause the view's session
        sceneView.session.pause()
    }
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Release any cached data, images, etc that aren't in use.
    }
    // MARK: - ARSCNViewDelegate
/*
    // Override to create and configure nodes for anchors added to the view's session.
    func renderer(_ renderer: SCNSceneRenderer, nodeFor anchor: ARAnchor) -> SCNNode? {
        let node = SCNNode()
        return node
    }
*/
    func session(_ session: ARSession, didFailWithError error: Error) {
        // Present an error message to the user
    }
    func sessionWasInterrupted(_ session: ARSession) {
        // Inform the user that the session has been interrupted, for example, by presenting an overlay
    }
    func sessionInterruptionEnded(_ session: ARSession) {
        // Reset tracking and/or remove existing anchors if consistent tracking is required
    }
}