void CreatePillar()
{
Pillar pillar = Instantiate(this.pillarTemplate) as Pillar;
pillar.transform.position = new Vector3(12, 0, 0);
pillar.transform.localScale = Vector3.one;
// int height = Random.Range(0, 3);
pillar.SetHeight(1);//height);
pillars.Add(pillar);
}