setTileAt(j, i, null);
setTileAt(j+bounds.x, i+bounds.y, null);
    private void fillRegion(Area region, Tile fill) {        Rectangle bounded = region.getBounds();        for (int i = bounded.y; i < bounded.y + bounded.height; i++) {            for (int j = bounded.x; j < bounded.x + bounded.width; j++) {                if (region.contains(j, i)) {                    setTileAt(j, i, fill);                } else {                    setTileAt(j, i, null);                }            }        }    }