/// <summary>
/// Spawn a car if the timer allows.
/// </summary>
private void Spawn()
{
if (!canSpawn)
{
return;
}
StartCoroutine(DelaySpawn());
var house2spawn = houses [Random.Range(0, houses.Count - 1)];
GameObject c = (GameObject)Instantiate(carPrefab, house2spawn.position, house2spawn.rotation);
CarAI mycar = c.GetComponent <CarAI> ();
mycar.startTravel(houses [Random.Range(0, houses.Count - 1)].position);
}