Games Trying to put a "fire button" in my stage with LibGDX

public class SuperController2 extends InputAdapter{
    public boolean shooting=false;
    private Rectangle recFire;
    private Sprite sprFire;
    private Stage escena;
    private Batch batch;
    private Vector3 pos;
    public SuperController2(Stage escena){
        this.escena=escena;
        this.batch=escena.getBatch();
        sprFire=new Sprite(new Texture("button.png"));
        recFire=new Rectangle(0,0,sprFire.getWidth(),sprFire.getHeight());               
    }
    public void actualizar() {
        batch.begin();
        sprFire.setBounds(escena.getCamera().position.x-(Gdx.graphics.getWidth()/2)+50, escena.getCamera().position.y-(Gdx.graphics.getHeight()/2)+50, 50, 50);
        sprFire.draw(batch);
        batch.end();
        if(Gdx.input.isTouched()){
            pos=new Vector3(Gdx.input.getX(),Gdx.input.getY(),0);
            recFire.setPosition(sprFire.getX(),sprFire.getY());
            Camera cam=escena.getCamera();
            cam.unproject(pos);
            if(recFire.contains(pos.x,pos.y)) {
                shooting=true;
            }
        }
        if(Gdx.input.isKeyPressed(Input.Keys.SPACE)) {
            shooting=true;
        }
    }
}

public class SuperController1  extends Actor implements InputProcessor{
    Texture texFire;
    Stage escena;
    public boolean shooting=false;
    private Rectangle recFire;
    
    public SuperController1(Stage escena){
        this.escena=escena;
        texFire=new Texture("button.png");
        recFire=new Rectangle(50,380,50,50);       
    }
    @Override
    public void draw(Batch batch,float alpha) {
        this.setSize(100, 50);
        batch.draw(texFire,this.getX()+50,this.getY()+50,50,50);
    }
    @Override
    public void act(float delta) {
        super.act(delta);
    }
    @Override
    public boolean keyDown(int keycode) {
        switch(keycode) {
        case Input.Keys.SPACE:
            shooting=true;
            return true;
        default:
            return false;
        }
    }
    @Override
    public boolean keyUp(int keycode) {
        switch(keycode) {
        case Input.Keys.SPACE:
            shooting=false;
            return true;
        default:
            return false;
        }
    }
        @Override
    public boolean touchDown(int screenX, int screenY, int pointer, int button) {
        Vector3 pos=new Vector3(this.getX(),this.getY(),0);
        Camera cam=escena.getCamera();
        cam.unproject(pos);
        if(recFire.contains(screenX, screenY)) {
            izquierda=true;
            return true;
        }else {
            return false;
        }
    }
    @Override
    public boolean touchUp(int screenX, int screenY, int pointer, int button) {
        if(recFire.contains(screenX, screenY)) {
            shooting=false;
            return true;
        }else{
            return false;
        }
    }
    @Override
    public boolean keyTyped(char character) {    return false;    }
    @Override
    public boolean touchDragged(int screenX, int screenY, int pointer) {    return false;    }

    @Override
    public boolean mouseMoved(int screenX, int screenY) {    return false;    }

    @Override
    public boolean scrolled(float amountX, float amountY) {    return false;    }
}