protected override void OnNavigatedFrom(NavigationEventArgs e)
{
this.DataContext = null;
VehiclesList.Clear();
VehiclesList = null;
StopsList.Clear();
StopsList = null;
Lines.Clear();
Lines = null;
predictionsTimer.Stop();
predictionsTimer = null;
this.navigationHelper.OnNavigatedFrom(e);
}
private async void getStopsInfo()
{
string errorMessage = null;
try
{
double minLat = 90;
double maxLat = -90;
double minLng = 180;
double maxLng = -180;
string webresponse = await Network.StopsByService(Service.ServiceId);
List <Stop> rootObject = JsonConvert.DeserializeObject <List <Stop> >(webresponse);
foreach (Stop s in rootObject)
{
StopsList.Add(s);
Lines.Add(new BasicGeoposition()
{
Latitude = s.Location.Lat,
Longitude = s.Location.Lng
});
if (s.Location.Lat > maxLat)
{
maxLat = s.Location.Lat;
}
if (s.Location.Lat < minLat)
{
minLat = s.Location.Lat;
}
if (s.Location.Lng > maxLng)
{
maxLng = s.Location.Lng;
}
if (s.Location.Lng < minLng)
{
minLng = s.Location.Lng;
}
}
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
MapPolyline CourseLines = new MapPolyline();
CourseLines.Path = new Geopath(Lines);
CourseLines.StrokeColor = Colors.DodgerBlue;
CourseLines.StrokeThickness = 5;
MapControl.MapElements.Add(CourseLines);
});
BasicGeoposition nw = new BasicGeoposition()
{
Latitude = maxLat,
Longitude = minLng
};
BasicGeoposition se = new BasicGeoposition()
{
Latitude = minLat,
Longitude = maxLng
};
GeoboundingBox box = new GeoboundingBox(nw, se);
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
await MapControl.TrySetViewBoundsAsync(box, new Thickness(2, 2, 2, 2), MapAnimationKind.Bow);
});
}
catch (Exception ex)
{
errorMessage = ex.Message;
}
if (errorMessage != null)
{
MessageDialog msg = new MessageDialog("Houve algum problema durante a requisição ao servidor. Por favor, verifique se o aparelho está conectado à internet e tente novamente.", "Você está conectado à internet?");
await msg.ShowAsync();
}
}
public Maze GenerateMaze(int with = 30, int height = 20)
{
//reset ID of stop
Stop.Reset();
//creating all stops into maze
for (int j = 0; j < height; j++)
{
for (int i = 0; i < with; i++)
{
var stop = new Stop()
{
CordY = j,
CordX = i,
Name = $"Stop-{i}-{j}",
IsHidden = i > (with * 0.4)
};
StopsList.Add(stop);
}
}
StartStop = StopsList[0];
//Generating real maze
#region
var unvisitedStops = new List <Stop>(StopsList);
//get start Stop
Stack myStack = new Stack();
var current = unvisitedStops.SingleOrDefault(x => x.CordX == 0 && x.CordY == 0);
if (current is null)
{
return(this);
}
unvisitedStops.Remove(current);
while (unvisitedStops.Any())
{
var neighbors = unvisitedStops.Where(x =>
Math.Sqrt(Math.Pow(current.CordX - x.CordX, 2) + Math.Pow(current.CordY - x.CordY, 2))
<= 1).ToList();
if (!neighbors.Any())
{
if (myStack.Count <= 0)
{
return(this);
}
#region //connecting death end
var lastneighbors = StopsList.Where(x =>
Math.Abs(Math.Sqrt(Math.Pow(current.CordX - x.CordX, 2) + Math.Pow(current.CordY - x.CordY, 2)) - 1) < 0.0001 &&
!RoadsList.Any(s => s.ToStop.Id == current.Id && s.FromStop.Id == x.Id)
).ToList();
if (lastneighbors.Any() && (lastneighbors.Count() > 2 || _rnd.Next(101) < intenconectionChance))
{
var randStop2 = _rnd.Next(lastneighbors.Count());
InterConnectStops(current, lastneighbors[randStop2]);
}
#endregion
current = (Stop)myStack.Pop();
continue;
}
var randStop = _rnd.Next(neighbors.Count());
var nextStop = neighbors[randStop];
InterConnectStops(current, nextStop);
myStack.Push(current);
current = nextStop;
unvisitedStops.Remove(current);
}
#endregion
//genarating mines location
for (int i = 0; i < 4; i++)
{
MineLocations.Add(StopsList[_rnd.Next(StopsList.Count - 10 * i) + 10 * i]);
}
return(this);
}
