 import GoogleMaps
 
 class MapViewController: UIViewController, GMSMapViewDelegate {
+    
+    // Constants
+    let markerRadius: CGFloat = 10
 
     // Variables
     var mapView: GMSMapView!
     var route: [Path] = []
     var waypointsA: [Waypoint] = []
     var waypointsB: [Waypoint] = []
+    var currMarker: GMSMarker!
 
     override func viewDidLoad() {
         super.viewDidLoad()

        route = [routePathA, routePathB]
        
        drawMapRoute()
        testDrawing()
    }
    
    // MARK: Map and Route Methods
    
    // Call this function to simulate travelling on route
    func testDrawing() {

                if mutablePath.count() > 0 {
                    routePath.path = mutablePath
                    routePath.mutablePath?.removeCoordinate(at: 0)
                    
                    let coord = mutablePath.coordinate(at: 0)
                    currMarker.position = coord
                    break
                }
            }
