Camera animation

import Mapbox
 
class ViewController: UIViewController, MGLMapViewDelegate {
override func viewDidLoad() {
super.viewDidLoad()
 
let mapView = MGLMapView(frame: view.bounds)
mapView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
mapView.delegate = self
 
mapView.styleURL = MGLStyle.outdoorsStyleURL
 
// Mauna Kea, Hawaii
let center = CLLocationCoordinate2D(latitude: 19.820689, longitude: -155.468038)
 
// Optionally set a starting point.
mapView.setCenter(center, zoomLevel: 7, direction: 0, animated: false)
 
view.addSubview(mapView)
}
 
func mapViewDidFinishLoadingMap(_ mapView: MGLMapView) {
// Wait for the map to load before initiating the first camera movement.
 
// Create a camera that rotates around the same center point, rotating 180°.
// `fromDistance:` is meters above mean sea level that an eye would have to be in order to see what the map view is showing.
let camera = MGLMapCamera(lookingAtCenter: mapView.centerCoordinate, altitude: 4500, pitch: 15, heading: 180)
 
// Animate the camera movement over 5 seconds.
mapView.setCamera(camera, withDuration: 5, animationTimingFunction: CAMediaTimingFunction(name: CAMediaTimingFunctionName.easeInEaseOut))
}
}