Scenview.swift

import UIKit
import Mapbox
import SceneKit

import MapKit
import MapboxSceneKit

class ViewController: UIViewController {
    
    var sceneView: SCNView = SCNView()
    var scene: SCNScene = SCNScene()
    let cameraNode = SCNNode()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        setupSceneView()
    }
    
    func setupSceneView(){
        self.view.addSubview(sceneView)
        sceneView.frame = self.view.bounds
        
        sceneView.scene = scene
        sceneView.allowsCameraControl = true
        sceneView.isPlaying = true
        
        cameraNode.camera = SCNCamera()
        cameraNode.position = SCNVector3(x: 0, y: 0, z: 3)
        scene.rootNode.addChildNode(cameraNode)
        
        let lightNode = SCNNode()
        let light = SCNLight()
        light.type = .ambient
        light.intensity = 1000
        lightNode.light = light
        scene.rootNode.addChildNode(lightNode)
    }
}