@Override
    public void mouseReleased(MouseEvent e) {
        Rectangle rect = new Rectangle(e.getX(), e.getY(), 1, 1);
        Barrillo[] prebarrillo = barrillos.toArray(new Barrillo[0]);
        Barrillo barrilloAExplotar = null;
        for (Barrillo bar : prebarrillo) {
            if (bar.devolverRectangle().intersects(rect)) {
                barrilloAExplotar = bar;
                repaint();
            }
        }
        mouseMoved(e);
        manos.push(barrilloAExplotar);
    }