void Start()
{
gameSystem = GameObject.Find("GameSystem").GetComponent <GameSystem>();
mapBehavior = GameObject.Find("GameMap").GetComponent <GameMapBehavior>();
player = GameObject.Find("Player").GetComponent <PlayerController>();
goalTile = mapBehavior.GetTileAt(mapBehavior.goalPosition);
currentTile = mapBehavior.GetTileAt(player.curMapPos);
path = new List <GameTile>();
}