public MovingObjectViewModel CheckStatus(MovingObjectViewModel movingObjectViewModel)
{
if (movingObjectList == null) movingObjectList = new List<MovingObject>();
if (thisLock == null) thisLock = new Object();
if (movingObjectViewModel.Fingerprint != 0 && movingObjectViewModel.Latitude != 0 && movingObjectViewModel.Longitude != 0)
{
lock (thisLock)
{
movingObject = new MovingObject(movingObjectViewModel);
movingObjectList.RemoveAll(e => (e.Fingerprint == movingObject.Fingerprint || e.Fingerprint == 0 || e.LastPost < DateTime.Now.AddSeconds(-10)));
movingObjectList.Add(movingObject);
SortMovingObjectList();
movingObjectViewModel.OtherMovingObjects = GetMovingObjectNearPosition(movingObject.Position, movingObject.Fingerprint);
movingObjectViewModel.MovingObject = movingObject;
}
DetermineCollisions(movingObject, movingObjectViewModel.OtherMovingObjects);
}
//movingObjectViewModel.BoundingBox = movingObject.BoundingBox;
return movingObjectViewModel;
}
//check for overlaps in the bounding boxes of a list that will be grabbed where the position is within a certain area.
//This filter will reduce the number of comparisons we need to make.
//This is very inefficient. Have to figure out a better way.
//Also will only catch boxes that lines cross each other.
private void DetermineCollisions(MovingObject movingObject, List<MovingObject> movingObjectList)
{
movingObject.Status = "green";
bool intersection = false;
foreach (MovingObject _movingObject in movingObjectList)
{
//FrontLeft to FrontRight
if(IsIntersecting(movingObject.BoundingBox.FrontLeftCorner.Latitude,
movingObject.BoundingBox.FrontLeftCorner.Longitude,
movingObject.BoundingBox.FrontRightCorner.Latitude,
movingObject.BoundingBox.FrontRightCorner.Longitude,
_movingObject.BoundingBox.FrontLeftCorner.Latitude,
_movingObject.BoundingBox.FrontLeftCorner.Longitude,
_movingObject.BoundingBox.FrontRightCorner.Latitude,
_movingObject.BoundingBox.FrontRightCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.FrontLeftCorner.Latitude,
movingObject.BoundingBox.FrontLeftCorner.Longitude,
movingObject.BoundingBox.FrontRightCorner.Latitude,
movingObject.BoundingBox.FrontRightCorner.Longitude,
_movingObject.BoundingBox.FrontRightCorner.Latitude,
_movingObject.BoundingBox.FrontRightCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.FrontLeftCorner.Latitude,
movingObject.BoundingBox.FrontLeftCorner.Longitude,
movingObject.BoundingBox.FrontRightCorner.Latitude,
movingObject.BoundingBox.FrontRightCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackLeftCorner.Latitude,
_movingObject.BoundingBox.BackLeftCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.FrontLeftCorner.Latitude,
movingObject.BoundingBox.FrontLeftCorner.Longitude,
movingObject.BoundingBox.FrontRightCorner.Latitude,
movingObject.BoundingBox.FrontRightCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackLeftCorner.Latitude,
_movingObject.BoundingBox.BackLeftCorner.Longitude))
{
intersection = true;
break;
}
//FrontRight to BackRight
if (IsIntersecting(movingObject.BoundingBox.FrontRightCorner.Latitude,
movingObject.BoundingBox.FrontRightCorner.Longitude,
movingObject.BoundingBox.BackRightCorner.Latitude,
movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.FrontLeftCorner.Latitude,
_movingObject.BoundingBox.FrontLeftCorner.Longitude,
_movingObject.BoundingBox.FrontRightCorner.Latitude,
_movingObject.BoundingBox.FrontRightCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.FrontRightCorner.Latitude,
movingObject.BoundingBox.FrontRightCorner.Longitude,
movingObject.BoundingBox.BackRightCorner.Latitude,
movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.FrontRightCorner.Latitude,
_movingObject.BoundingBox.FrontRightCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.FrontRightCorner.Latitude,
movingObject.BoundingBox.FrontRightCorner.Longitude,
movingObject.BoundingBox.BackRightCorner.Latitude,
movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackLeftCorner.Latitude,
_movingObject.BoundingBox.BackLeftCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.FrontRightCorner.Latitude,
movingObject.BoundingBox.FrontRightCorner.Longitude,
movingObject.BoundingBox.BackRightCorner.Latitude,
movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackLeftCorner.Latitude,
_movingObject.BoundingBox.BackLeftCorner.Longitude))
{
intersection = true;
break;
}
//BackRight to BackLeft
if (IsIntersecting(movingObject.BoundingBox.BackRightCorner.Latitude,
movingObject.BoundingBox.BackRightCorner.Longitude,
movingObject.BoundingBox.BackLeftCorner.Latitude,
movingObject.BoundingBox.BackLeftCorner.Longitude,
_movingObject.BoundingBox.FrontLeftCorner.Latitude,
_movingObject.BoundingBox.FrontLeftCorner.Longitude,
_movingObject.BoundingBox.FrontRightCorner.Latitude,
_movingObject.BoundingBox.FrontRightCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.BackRightCorner.Latitude,
movingObject.BoundingBox.BackRightCorner.Longitude,
movingObject.BoundingBox.BackLeftCorner.Latitude,
movingObject.BoundingBox.BackLeftCorner.Longitude,
_movingObject.BoundingBox.FrontRightCorner.Latitude,
_movingObject.BoundingBox.FrontRightCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.BackRightCorner.Latitude,
movingObject.BoundingBox.BackRightCorner.Longitude,
movingObject.BoundingBox.BackLeftCorner.Latitude,
movingObject.BoundingBox.BackLeftCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackLeftCorner.Latitude,
_movingObject.BoundingBox.BackLeftCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.BackRightCorner.Latitude,
movingObject.BoundingBox.BackRightCorner.Longitude,
movingObject.BoundingBox.BackLeftCorner.Latitude,
movingObject.BoundingBox.BackLeftCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackLeftCorner.Latitude,
_movingObject.BoundingBox.BackLeftCorner.Longitude))
{
intersection = true;
break;
}
//BackLeft to FrontLeft
if (IsIntersecting(movingObject.BoundingBox.BackLeftCorner.Latitude,
movingObject.BoundingBox.BackLeftCorner.Longitude,
movingObject.BoundingBox.FrontLeftCorner.Latitude,
movingObject.BoundingBox.FrontLeftCorner.Longitude,
_movingObject.BoundingBox.FrontLeftCorner.Latitude,
_movingObject.BoundingBox.FrontLeftCorner.Longitude,
_movingObject.BoundingBox.FrontRightCorner.Latitude,
_movingObject.BoundingBox.FrontRightCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.BackLeftCorner.Latitude,
movingObject.BoundingBox.BackLeftCorner.Longitude,
movingObject.BoundingBox.FrontLeftCorner.Latitude,
movingObject.BoundingBox.FrontLeftCorner.Longitude,
_movingObject.BoundingBox.FrontRightCorner.Latitude,
_movingObject.BoundingBox.FrontRightCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.BackLeftCorner.Latitude,
movingObject.BoundingBox.BackLeftCorner.Longitude,
movingObject.BoundingBox.FrontLeftCorner.Latitude,
movingObject.BoundingBox.FrontLeftCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackLeftCorner.Latitude,
_movingObject.BoundingBox.BackLeftCorner.Longitude))
{
intersection = true;
break;
}
if (IsIntersecting(movingObject.BoundingBox.BackLeftCorner.Latitude,
movingObject.BoundingBox.BackLeftCorner.Longitude,
movingObject.BoundingBox.FrontLeftCorner.Latitude,
movingObject.BoundingBox.FrontLeftCorner.Longitude,
_movingObject.BoundingBox.BackRightCorner.Latitude,
_movingObject.BoundingBox.BackRightCorner.Longitude,
_movingObject.BoundingBox.BackLeftCorner.Latitude,
_movingObject.BoundingBox.BackLeftCorner.Longitude))
{
intersection = true;
break;
}
}
if (intersection)
movingObject.Status = "red";
}
public MovingObjectViewModel(MovingObject movingObject)
{
}
