c# - 射弹滞后，未完全删除

Question

对我来说，这个错误是破坏游戏的，我正在使用四个不同的列表来控制从许多发射器中发射的火箭。发射器也保存在列表中:

        Launchers = new List<Launcher>();
        RocketsUp = new List<Rectangle>();
        RocketsDown = new List<Rectangle>();
        RocketsLeft = new List<Rectangle>();
        RocketsRight = new List<Rectangle>();

如果你只是想看到完整的东西 Here 是项目。 (请理解这是一团糟，我正在努力让它发挥作用，如果我有更多的时间然后 3 到 4 周来完成它，我会尝试让它更干净)

问题

火箭会发射出去，但右边的火箭会随机停止，向上、向下和向左都工作正常，如何？

如果我让游戏稍微玩一会儿，它会在一段时间后开始变慢，我原以为我在游戏中发射了很多火箭，但它们正在发射并被摧毁，所以游戏不应该运行良好，因为火箭被清除的速度与产生的速度一样快吗？

结束问题

注意:(我有多个级别，当我跳到下一个级别时，延迟消失了，因为我在一个方法中有一个 clear all):

        Launchers.Clear();
        RocketsUp.Clear();
        RocketsDown.Clear();
        RocketsRight.Clear();
        RocketsLeft.Clear();

这些发射器将做的是在海峡线上每隔设定的秒数发射一枚射弹，直到它们接触到方 block 或玩家。

我有一个 foreach 循环遍历每个发射器位置并根据发射器面向的方向生成火箭，1 = 向上，2 = 向下，3 = 右，4 = 左:

        foreach (Launcher l in Launchers)
        {
            l.Updata(gameTime);

            if (rocketTime > rocketMax)
            {
                if (l.Direction == 1)
                    RocketsUp.Add(new Rectangle((int)l.Position.X + 11, (int)l.Position.Y, 9, 18));

                if (l.Direction == 2)
                    RocketsDown.Add(new Rectangle((int)l.Position.X + 11, (int)l.Position.Y, 9, 18));

                if (l.Direction == 3)
                    RocketsRight.Add(new Rectangle((int)l.Position.X, (int)l.Position.Y + 11, 18, 9));

                if (l.Direction == 4)
                    RocketsLeft.Add(new Rectangle((int)l.Position.X, (int)l.Position.Y + 11, 18, 9));

            }
        }

然后为每个火箭列表调用 for 循环并定义它们的大小，因为纹理大小不正确:

        if (rocketTime > rocketMax)
            rocketTime = 0;

        for (int i = 0; i < RocketsUp.Count; i++)
        {
            RocketsUp[i] = new Rectangle(RocketsUp[i].X, RocketsUp[i].Y - 3, RocketsUp[i].Width, RocketsUp[i].Height);
        }

        for (int i = 0; i < RocketsDown.Count; i++)
        {
            RocketsDown[i] = new Rectangle(RocketsDown[i].X, RocketsDown[i].Y + 3, RocketsDown[i].Width, RocketsDown[i].Height);
        }

        for (int i = 0; i < RocketsLeft.Count; i++)
        {
            RocketsRight[i] = new Rectangle(RocketsRight[i].X + 3, RocketsRight[i].Y, RocketsRight[i].Width, RocketsRight[i].Height);
        }

        for (int i = 0; i < RocketsLeft.Count; i++)
        {
            RocketsLeft[i] = new Rectangle(RocketsLeft[i].X - 3, RocketsLeft[i].Y, RocketsLeft[i].Width, RocketsLeft[i].Height);
        }

然后在Draw方法中绘制火箭:

        for (int i = 0; i < RocketsUp.Count; i++)
        {
            spriteBatch.Draw(rocketUp, new Rectangle(RocketsUp[i].X,
                RocketsUp[i].Y,
                RocketsUp[i].Width,
                RocketsUp[i].Height),
                Color.White);
        }

        for (int i = 0; i < RocketsDown.Count; i++)
        {
            spriteBatch.Draw(rocketDown, new Rectangle(RocketsDown[i].X,
                RocketsDown[i].Y, 
                RocketsDown[i].Width, 
                RocketsDown[i].Height), 
                Color.White);
        }

        for (int i = 0; i < RocketsRight.Count; i++)
        {
            spriteBatch.Draw(rocketRight, new Rectangle(RocketsRight[i].X, RocketsRight[i].Y, RocketsRight[i].Width, RocketsRight[i].Height), Color.White);
        }

        for (int i = 0; i < RocketsLeft.Count; i++)
        {
            spriteBatch.Draw(rocketLeft, new Rectangle(RocketsLeft[i].X, RocketsLeft[i].Y, RocketsLeft[i].Width, RocketsLeft[i].Height), Color.White);
        }

最后，火箭队在另一个名为 Block 的类中被调用:

    public Player BlockCollision(Player player, GameTime gameTime, Game1 game1)
    {
        this.game1 = game1;
        kbState = Keyboard.GetState();

        Rectangle BlockRectangle = new Rectangle((int)Position.X, (int)Position.Y, Texture.Width, Texture.Height);

        Rectangle top = new Rectangle((int)Position.X + 5, (int)Position.Y - 10, Texture.Width - 10, 10);
        Rectangle bottom = new Rectangle((int)Position.X + 5, (int)Position.Y + Texture.Height, Texture.Width - 10, 10);
        Rectangle left = new Rectangle((int)Position.X - 10, (int)Position.Y + 5, 10, Texture.Height - 10);
        Rectangle right = new Rectangle((int)Position.X + Texture.Width, (int)Position.Y + 5, 10, Texture.Height - 10);

        Rectangle personRectangle = new Rectangle((int)player.Position.X, (int)player.Position.Y, player.Texture.Width, player.Texture.Height);

        for (int i = 0; i < game1.RocketsDown.Count; i++)
        {
            Vector2 Rocket = new Vector2(game1.RocketsDown[i].X, game1.RocketsDown[i].Y);

            if (personRectangle.Intersects(new Rectangle((int)Rocket.X, (int)Rocket.Y, game1.rocketDown.Width, game1.rocketDown.Height)))
            {
                player.Dead = true;
            }
        }

        for (int i = 0; i < game1.RocketsUp.Count; i++)
        {
            Vector2 Rocket = new Vector2(game1.RocketsUp[i].X, game1.RocketsUp[i].Y);

            if (personRectangle.Intersects(new Rectangle((int)Rocket.X, (int)Rocket.Y, game1.rocketUp.Width, game1.rocketUp.Height)))
            {
                player.Dead = true;
            }
        }

        for (int i = 0; i < game1.RocketsLeft.Count; i++)
        {
            Vector2 Rocket = new Vector2(game1.RocketsLeft[i].X, game1.RocketsLeft[i].Y);

            if (personRectangle.Intersects(new Rectangle((int)Rocket.X, (int)Rocket.Y, game1.rocketLeft.Width, game1.rocketLeft.Height)))
            {
                player.Dead = true;
            }
        }

        for (int i = 0; i < game1.RocketsRight.Count; i++)
        {
            Vector2 Rocket = new Vector2(game1.RocketsRight[i].X, game1.RocketsRight[i].Y);

            if (personRectangle.Intersects(new Rectangle((int)Rocket.X, (int)Rocket.Y, game1.rocketRight.Width, game1.rocketRight.Height)))
            {
                player.Dead = true;
            }
        }

        if (BlockState > 0)
        {
            for (int i = 0; i < game1.RocketsDown.Count; i++)
            {
                Vector2 Rocket = new Vector2(game1.RocketsDown[i].X, game1.RocketsDown[i].Y);

                if (top.Intersects(new Rectangle((int)Rocket.X, (int)Rocket.Y, game1.rocketDown.Width, game1.rocketDown.Height)))
                {
                    game1.RocketsDown.RemoveAt(i);
                }
            }

            for (int i = 0; i < game1.RocketsUp.Count; i++)
            {
                Vector2 Rocket = new Vector2(game1.RocketsUp[i].X, game1.RocketsUp[i].Y);

                if (bottom.Intersects(new Rectangle((int)Rocket.X, (int)Rocket.Y, game1.rocketUp.Width, game1.rocketUp.Height)))
                {
                    game1.RocketsUp.RemoveAt(i);
                }
            }

            for (int i = 0; i < game1.RocketsLeft.Count; i++)
            {
                Vector2 Rocket = new Vector2(game1.RocketsLeft[i].X, game1.RocketsLeft[i].Y);

                if (right.Intersects(new Rectangle((int)Rocket.X, (int)Rocket.Y, game1.rocketLeft.Width, game1.rocketLeft.Height)))
                {
                    game1.RocketsLeft.RemoveAt(i);
                }
            }

            for (int i = 0; i < game1.RocketsRight.Count; i++)
            {
                Vector2 Rocket = new Vector2(game1.RocketsRight[i].X, game1.RocketsRight[i].Y);

                if (left.Intersects(new Rectangle((int)Rocket.X, (int)Rocket.Y, game1.rocketRight.Width, game1.rocketRight.Height)))
                {
                    game1.RocketsRight.RemoveAt(i);
                }
            }
        }

Answer 1

检查这段代码:

for (int i = 0; i < RocketsLeft.Count; i++)
    {
        RocketsRight[i] = new Rectangle(RocketsRight[i].X + 3, RocketsRight[i].Y, RocketsRight[i].Width, RocketsRight[i].Height);
    }

    for (int i = 0; i < RocketsLeft.Count; i++)
    {
        RocketsLeft[i] = new Rectangle(RocketsLeft[i].X - 3, RocketsLeft[i].Y, RocketsLeft[i].Width, RocketsLeft[i].Height);
    }

您在本应使用 RocketRight 的地方使用了 RocketLeft.Count。

编辑:此外，尝试使用 Rectangle.Dispose() 处理“已摧毁”的火箭。这可能有助于释放一些资源。