MapboxDirections

(MapBox) Calculate Directions

func calculateDirections(currentLocation:CLLocationCoordinate2D, distination: CLLocationCoordinate2D) {

            self.calculatedTourPoints = []
            self.calculatedTour = []
            let request = MBDirectionsRequest(sourceCoordinate: currentLocation, destinationCoordinate: distination)
            request.version = .Four
            request.requestsAlternateRoutes = true
            request.transportType = .Automobile
       
            directions = MBDirections(request: request, accessToken: "pk.***")
            
            directions!.calculateDirectionsWithCompletionHandler { (response, error) in
                if let route = response?.routes.first {
                    print("Route summary:")
                    let steps = route.legs.first!.steps
                    print("Distance: \(route.distance) meters (\(steps.count) route steps) in \(route.expectedTravelTime / 60) minutes")
                    for step in steps {
                        print("\(step.instructions) \(step.distance) meters")
                        self.calculatedTour.append(step)
                    }
                    for geo in route.geometry {
                        self.calculatedTourPoints.append(geo)
                    }
                    self.tourLine = MGLPolyline(coordinates: &self.calculatedTourPoints, count: UInt(self.calculatedTourPoints.count))
                    
                    self.mapView.addAnnotation(self.tourLine)
                } else {
                    print("Error calculating directions: \(error)")
                }
            }
    }