public VehicleNLapAverage BestNLaps(int targetLapCount)
{
if (LapCount < targetLapCount)
{
return(null);
}
else
{
VehicleNLapAverage average = null;
for (int lapIndex = 0; lapIndex < LapCount - targetLapCount; lapIndex++)
{
var laps = VehicleLapEvents.OrderBy(l => l.Elapsed).Skip(lapIndex).Take(targetLapCount);
var lapAverage = laps.Average(l => l.LapTime);
if (average == null || lapAverage < average.AverageLapTime)
{
average = new VehicleNLapAverage()
{
VehicleId = VehicleId,
StartLap = laps.Min(l => l.LapNumber),
EndLap = laps.Max(l => l.LapNumber),
LapCount = targetLapCount,
AverageLapTime = laps.Average(l => l.LapTime)
};
}
}
return(average);
}
}
public VehicleNLapAverage LastNLaps(int targetLapCount)
{
if (LapCount < targetLapCount)
{
return(null);
}
else
{
var laps = VehicleLapEvents.OrderByDescending(l => l.Elapsed).Take(targetLapCount);
VehicleNLapAverage average = new VehicleNLapAverage()
{
VehicleId = VehicleId,
StartLap = laps.Min(l => l.LapNumber),
EndLap = laps.Max(l => l.LapNumber),
LapCount = targetLapCount,
AverageLapTime = laps.Average(l => l.LapTime)
};
return(average);
}
}