CameraStateTransition

public protocol CameraStateTransition : AnyObject

Protocol, which is used to execute camera related transitions, based on data provided via CameraOptions in ViewportDataSource.

By default Navigation SDK for iOS provides default implementation of CameraStateTransition in NavigationCameraStateTransition.


                    
                    
                    init(_:)

Swift

init(_ mapView: MapView)


                                  mapView

MapView object, on instance of which camera related transitions will be performed.


                    
                    
                    transitionToFollowing(_:completion:)

Method, which performs camera transition to the NavigationCameraState.following state.

Swift

func transitionToFollowing(_ cameraOptions: CameraOptions, completion: @escaping (() -> Void))

`cameraOptions`	Instance of `CameraOptions`, which describes viewpoint of the `MapView`.
`completion`	Completion handler, which is called after performing transition.


                    
                    
                    transitionToOverview(_:completion:)

Method, which performs camera transition to the NavigationCameraState.overview state.

Swift

func transitionToOverview(_ cameraOptions: CameraOptions, completion: @escaping (() -> Void))

`cameraOptions`	Instance of `CameraOptions`, which describes viewpoint of the `MapView`.
`completion`	Completion handler, which is called after performing transition.


                    
                    
                    update(to:state:)

Method, which performs camera update, when already in the NavigationCameraState.overview state or NavigationCameraState.following state.

Swift

func update(to cameraOptions: CameraOptions, state: NavigationCameraState)

`cameraOptions`	Instance of `CameraOptions`, which describes viewpoint of the `MapView`.
`state`	Instance of `NavigationCameraState`, which describes the current state of `NavigationCamera`.