我对skmapsdk功能有疑问。创建路线并开始导航过程后，是否可以捕获您当前指向的waypoint/viapoint？计算路线后，routeInformation.viaPointsOnRoute似乎是空的。calculateRoute(route)会自动生成一个viaPoints列表吗？在SKNavigationDelegate协议(protocol)引用中，我看到以下事件函数:–routingService:didEnterViaPointArea:–routingService:didReachViaPointWithIndex:–routingService:didExitVi