public void atira() {
        if (quantMunicao > 0) {
            this.municao.add(new Municao(pos.x + largura / 2, pos.y, 0, -5));
            this.municao.add(new Municao(pos.x + 9, pos.y + 24, 0, -5));
            this.municao.add(new Municao(pos.x + largura - 9, pos.y + 24, 0, -5));
            quantMunicao -- ;
        }
    }