private void CheckCars()
{
for (int c = activeCars.Count - 1; c >= 0; --c)
{
CarAI car = activeCars[c];
if (Vector3.Distance(car.transform.position, trafficCenter) > city.transform.lossyScale.x * maxCarDistanceInCells)
{
car.ResetParticle();
}
}
}