init_arkit.swift

init_arkit.swift

import UIKit
//1
import ARKit
import SceneKit

class ViewController: UIViewController {
    //2
    lazy var sceneView: ARSCNView = {
        let view = ARSCNView(frame: CGRect.zero)
        return view
    }()

    override func viewDidLoad() {
        super.viewDidLoad()
        //3
        view.addSubview(sceneView)
    }
    
    override func viewDidLayoutSubviews() {
        super.viewDidLayoutSubviews()
        //4
        sceneView.frame = view.bounds
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        //5
        let configuration = ARWorldTrackingConfiguration()
        sceneView.session.run(configuration, options: [.resetTracking, .removeExistingAnchors])
    }
}