private RSTile[] tiles = {new RSTile(3027, 4813), new RSTile(3019, 4821), new RSTile(3019, 4833),
            new RSTile(3022, 4842), new RSTile(3029, 4849), new RSTile(3039, 4852), new RSTile(3050, 4848),
            new RSTile(3058, 4839), new RSTile(3060, 4830), new RSTile(3057, 4821), new RSTile(3050, 4813),
            new RSTile(3042, 4811)};
    private RSTile getClosestEntrance() {
        RSTile ClosestTile = new RSTile(0,0);
        for (RSTile a : tiles) {
        	if (distanceTo(a) < distanceTo(ClosestTile))
        		ClosestTile = a;
        }
        return ClosestTile;
}