public void addCoord(Coordinat _C)
{
if (!GeoCoords.Contains(_C))
{
GeoCoords.Add(_C);
}
}
private object getLocations(Coordinat coord, ICollection <Location> locations, int userId = -1, int page = 0)
{
var hostName = GetHostName();
var Locations = (from l in locations
select new
{
Images = getImages(l.LocationImages),
Comments = getComments(l.UserComments),
ID = l.Location_ID,
Banner = Path.Combine(hostName, l.Location_Banner),
Name = l.Location_Name,
Info = l.Location_Info,
TypeId = l.LocationType_ID,
ImageCount = l.LocationImages.Count,
Latitude = l.Location_Latitude,
Longtitude = l.Location_Longtitude,
TypeName = l.LocationType != null ? l.LocationType.LocationType_Name : "",
CommentCount = l.UserComments.Count,
LikeCount = l.UserLikes.Count,
DistanceToUser = coord.Longtitude > 0 ? GetDistance(l.Location_Latitude, l.Location_Longtitude, coord.Latitude, coord.Longtitude) : 0,
IsLiked = userId != -1 ? l.UserLikes.FirstOrDefault(u => u.User_ID == userId && u.Location_ID == l.Location_ID) != null ? true : false : false
});
if (page >= 0)
{
Locations = Locations.OrderBy(u => u.DistanceToUser).Skip(page * 6).Take(6);
}
return(Locations);
}
public void Start()
{
input = Utils.ReadFromFile("10");
getValues();
GetAsteroidCoordinates();
best = CalculateBestPosition();
Console.WriteLine(best);
Console.WriteLine(DestroyAsteroids());
}
private int CalculalteAsteroidsInSight(Coordinat current)
{
angles = new List <double>();
foreach (Coordinat c in AsteroidCoords)
{
int deltaX = current.x - c.x;
int deltaY = current.y - c.y;
angles.Add(Math.Atan2(deltaX, deltaY) * 180 / Math.PI);
}
return(angles.Distinct().Count());
}
public HttpResponseMessage GetLocations(Coordinat coordinat, int userId = -1, int page = 0)
{
var hostName = GetHostName();
var list = (from location in _db.Locations
select location).ToList();
try
{
var result = getLocations(coordinat, list, userId, page);
return(Request.CreateResponse(HttpStatusCode.OK, result));;
}
catch (Exception ex)
{
return(Request.CreateResponse(HttpStatusCode.InternalServerError, ex.InnerException));
}
}
private int FindClosest(List <int> toDestroy)
{
int closestIndex = 0;
int curClosestDistance = int.MaxValue;
foreach (int i in toDestroy)
{
Coordinat c = AsteroidCoords[i];
int distance = Math.Abs(c.x - best.x) + Math.Abs(c.y - best.y);
if (distance < curClosestDistance && distance > 0)
{
curClosestDistance = distance;
closestIndex = i;
}
}
return(closestIndex);
}
private Coordinat DestroyAsteroids()
{
int count = 0;
double currentAngle = 0;
Coordinat current = new Coordinat();
List <int> ToDestroy = new List <int>();
for (int i = 0; i < AsteroidCoords.Count; i++)
{
AsteroidCoords[i] = new Coordinat()
{
x = AsteroidCoords[i].x, y = AsteroidCoords[i].y, Angle = BestAngles[i]
};
}
AsteroidCoords = AsteroidCoords.OrderByDescending(x => x.Angle).ToList();
while (AsteroidCoords.Count > 0)
{
for (int i = 0; i < AsteroidCoords.Count; i++)
{
if (AsteroidCoords[i].Angle == currentAngle)
{
ToDestroy.Add(i);
}
}
if (ToDestroy.Count > 0)
{
count++;
int index = FindClosest(ToDestroy);
ToDestroy.Clear();
current = AsteroidCoords[index];
Console.WriteLine("[" + count + "] ima bout to blow up " + current + " at angle " + currentAngle);
AsteroidCoords.RemoveAt(index);
}
currentAngle = currentAngle == -180 ? 180 : GetNextAngle(currentAngle);
}
return(current);
}
private Coordinat CalculateBestPosition()
{
int best = 0;
Coordinat bestCoord = new Coordinat {
x = 0, y = 0
};
int temp;
for (int i = 0; i < AsteroidCoords.Count; i++)
{
temp = CalculalteAsteroidsInSight(AsteroidCoords[i]);
AsteroidCoords[i] = new Coordinat()
{
x = AsteroidCoords[i].x, y = AsteroidCoords[i].y, AsteroidsInSight = temp
};
if (temp >= best)
{
best = temp;
bestCoord = AsteroidCoords[i];
BestAngles = angles;
}
}
return(bestCoord);
}
//per Button die localen GPS Daten speichern
public void btnAddCoord()
{
var C = new Coordinat(GPS.Instance.latitude, GPS.Instance.longitude, 0.5f, "Selbst erstellt");
GeoCoordManager.Instance.addCoord(C);
}
public void remove(Coordinat _C)
{
GeoCoords.Remove(_C);
}
