private void placeWalls(){
		for(int y = 0; y < height; y++){
			for(int x = 0; x < width; x++){
				if(x == 0 || y == 0 || x == width - 1 || y == height - 1) if(getTile(x, y).equals(Tile.floorTile)) setTile(x, y, 0);
				if(getTile(x, y).equals(Tile.floorTile)) checkAndPlace(x, y, 0);
			}
		}
	}