void Start()
 {
     map = player.GetComponentInChildren<MiniMap> ();
     pc = player.GetComponent<PlayerCollider> ();
     switch (mapId) {
     case 1:
         map.InitializeMap (MapDatas.map1);
         break;
     case 2:
         map.InitializeMap (MapDatas.map2);
         break;
     }
 }