public bool Update(ref float overflowX)
        {
            bool endReached = false;

            if (IsAlive)
            {
                float deltaX = Velocity.X * GfxTools.Win.deltaTime;
                float deltaY = Velocity.Y * GfxTools.Win.deltaTime;
                Position.X += deltaX;
                Position.Y += deltaY;

                float maxX = Position.X + width / 2;
                float minX = Position.X - width / 2;



                if (maxX > GfxTools.Win.width - distToSide)
                {
                    overflowX = maxX - (GfxTools.Win.width - distToSide);

                    endReached = true;
                }
                else if (minX < distToSide)
                {
                    overflowX = minX - distToSide;

                    endReached = true;
                }

                //sprite.Translate(deltaX, deltaY);
                TranslateSprite(new Vector2(deltaX, deltaY));

                if (Position.Y + height / 2 >= Game.GetPlayer().GetPosition().Y)
                {
                    EnemyMgr.Landed = true;
                }
                else if (CanShoot)
                {
                    nextShoot -= GfxTools.Win.deltaTime;
                    if (nextShoot <= 0)
                    {
                        EnemyMgr.Shoot(this);
                        nextShoot = RandomGenerator.GetRandom(1, 8);
                    }
                }
            }
            else if (IsVisible)
            {
                for (int i = 0; i < sprite.Length; i++)
                {
                    sprite[i].update();
                }
            }



            return(endReached);
        }
        public void Update()
        {
            float deltaX = speed * GfxTools.Win.deltaTime;

            position.X += deltaX;
            float maxX = position.X + width / 2;
            float minX = position.X - width / 2;

            if (maxX > GfxTools.Win.width - distToSide)
            {
                float overflowX = maxX - (GfxTools.Win.width - distToSide);
                position.X -= overflowX;
                deltaX     -= overflowX;
            }
            else if (minX < distToSide)
            {
                float overflowX = minX - distToSide;
                position.X -= overflowX;
                deltaX     -= overflowX;
            }

            //rectangles update
            //baseRect.Translate(deltaX, 0);
            //cannonRect.Translate(deltaX, 0);

            spriteobj.Translate(deltaX, 0);



            for (int i = 0; i < bulletPlayer.Length; i++)
            {
                if (bulletPlayer[i].IsAlive)
                {
                    bulletPlayer[i].Update();

                    if (Game.BarriersCollides(bulletPlayer[i].Position, bulletPlayer[i].GetWidth()))
                    {
                        bulletPlayer[i].IsAlive = false;
                    }

                    if (EnemyMgr.CollideWithBullet(bulletPlayer[i]))
                    {
                        bulletPlayer[i].IsAlive = false;
                    }
                }
            }
        }
        //test



        static Game()
        {
            window = new Window(1900, 1000, "Space Invaders", PixelFormat.RGB);
            score  = 0;

            GfxTools.Init(window);

            Vector2 playerPos;

            playerPos.X = window.width / 2;
            playerPos.Y = window.height - 20;

            EnemyMgr.Init(45, 3);

            switcher = 0;

            player    = new Player(playerPos, new Color(22, 22, 200));
            scoretext = new spriteText(new Vector2(220, 48), "000000");


            PlayerSound.Play("Assets/spaceship.wav", "suono");

            //music = new SoundPlayer();
            //music.SoundLocation = "Assets/spaceship.wav";
            //music.Load();

            //music.PlayLooping();

            bg  = new backgorund("Assets/space_3.png");
            bg2 = new backgorundMenu("Assets/space_menu.png");
            m   = new Menu();

            barriers = new Barrier[3];

            for (int i = 0; i < barriers.Length; i++)
            {
                barriers[i] = new Barrier(new Vector2((GfxTools.Win.width) * (i + 1) / 4, (GfxTools.Win.height / 2) + 300));
            }

            //test
        }
        public static void Play()
        {
            while (window.opened)
            {
                if (flag == 0)
                {
                    //GfxTools.Clean();
                    bg2.DrawBg();
                    m.draw();
                    window.Blit();

                    if (GfxTools.Win.mouseLeft)
                    {
                        if (m.clickButton() == 1)
                        {
                            flag = 1;
                        }
                        else if (m.clickButton() == 2)
                        {
                            return;
                        }
                    }
                }
                else if (flag == 1)
                {
                    totalTime += GfxTools.Win.deltaTime;
                    //GfxTools.Clean();
                    bg.DrawBg();


                    //Input
                    ;

                    if (window.GetKey(KeyCode.Esc))
                    {
                        return;
                    }

                    player.Input();

                    //Update
                    EnemyMgr.Update();
                    player.Update();

                    if (!player.IsAlive || EnemyMgr.GetAlives() <= 0 || EnemyMgr.Landed)
                    {
                        Thread.Sleep(3000);
                        return;
                    }

                    //Draw
                    scoretext.Draw();
                    EnemyMgr.Draw();
                    player.Draw();
                    Game.DrawBarrier();



                    window.Blit();
                }
            }
        }