void initNPCController(GameObject person, int startingPosition)
{
NpcController npc = person.GetComponent <NpcController>();
npc.setId(spawnedNPCs);
npc.customerInfo = availableCustomers[Random.Range(0, availableCustomers.Count)];
npc.setDirection(startingPosition < 0 ? NpcController.Direction.RIGHT : NpcController.Direction.LEFT);
updateSpawnedList(npc.customerInfo);
}