void Start()
{
instance = this;
layers.Add("Player", 8);
layers.Add("Enemy", 9);
layers.Add("Nature", 10);
layers.Add("PlayerMissile", 11);
layers.Add("EnemyMissile", 12);
layers.Add("NatureMissile", 13);
GameObject.FindObjectOfType <CameraManager>().Init();
GetComponent <LevelManager>().Init();
starManager.Init();
}