swift - 3D 视图

import UIKit
//1.导入框架
import MapKit

class ViewController: UIViewController {

    @IBOutlet weak var mapView: MKMapView!
    
    override func touchesBegan(_ touches: Set<UITouch>,with event: UIEvent?) {
        //逆推第三部
        let center = mapView.centerCoordinate
        
        
        /*
         *  lookingAtCenter:可是中心
         *  fromEyeCoordinate：眼睛看到的坐标，从左还是从右边看
         *  eyeAltitude：眼睛高度， 海拔高度
         */
        //逆推第二部
        let camerea = MKMapCamera(lookingAtCenter: center,fromEyeCoordinate: CLLocationCoordinate2D(latitude: center.latitude + 0.1,longitude: center.longitude),eyeAltitude: 150)
        
        //逆推第一步
        mapView.setCamera(camerea,animated: true)
    }

}