public override bool Update(DateTime now, IDriverList drivers)
{
Random rnd = new Random();
TimeSpan next = TimeSpan.FromSeconds(SpawnRate.TotalSeconds * (float)(-Math.Log(rnd.NextDouble())));
int added = 0;
while (next < now - LastUpdate && added < 5)
{
LastUpdate += next;
Driver driver =
new Driver()
{
Location = Location,
Name = "Spawned [" + next.TotalSeconds.ToString() + "]" + added.ToString(),
Destination = Destination,
LastUpdate = LastUpdate,
Route = CalculcatedRoutes.Get(Location, Destination, true)
};
drivers.Add(driver);
added++;
next = TimeSpan.FromSeconds(SpawnRate.TotalSeconds * (float)(-Math.Log(rnd.NextDouble())));
}
LastUpdate = now;
// n.b. Due to the nature of the Poisson distribution exiting and not storing the time of
// the next event will not change the nature of the distribution. Knowing that the next
// event is "not yet" is sufficient.
return(true);
}
public virtual bool Update(DateTime now, IDriverList drivers)
{
return(false);
}