
以下の映像のようなアプリケーションを作成します。
//
// ViewController.swift
// BoxAR
//
// Copyright © 2020 Ryosuke Nakaishi. All rights reserved.
//
import UIKit
import SceneKit
import ARKit
class ViewController: UIViewController, ARSCNViewDelegate {
@IBOutlet var sceneView: ARSCNView!
override func viewDidLoad() {
super.viewDidLoad()
self.sceneView = ARSCNView(frame: self.view.frame)
self.view.addSubview(self.sceneView)
// 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")!
let scene = SCNScene()
let box = SCNBox(width: 0.2, height: 0.2, length: 0.2, chamferRadius: 0)
let material = SCNMaterial()
material.diffuse.contents = UIColor.blue
let node = SCNNode()
node.geometry = box
node.geometry?.materials = [material]
node.position = SCNVector3(0, 0.2, -0.5)
scene.rootNode.addChildNode(node)
// Set the scene to the view
sceneView.scene = scene
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
// Create a session configuration
let configuration = ARWorldTrackingConfiguration()
// 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()
}
// 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
}
}