Question

我正在制作2D游戏作为学校项目（只有初学者代码，没有花哨的东西）。

我的角色应该从它自己的位置开枪。

它只能在构建时从玩家获得位置，因此它只能从玩家开始的位置拍摄。

这里有一些我认为相关的代码：

class ShootManager
{
    int shotsShooten = 0;
    List<Shot> shots = new List<Shot>();

    public void FireShot()
    {
        shots.Add(new Shot());
        shotsShooten++;
    }

    public void Update(GameTime gameTime, KeyboardState KbState)
    {
        if (KbState.IsKeyDown(Keys.Space))
        { FireShot(); }

        foreach (Shot shot in shots)
        {
            if (shot.Position.X == (float)shot.ISoutOfGame) //if the shot is out of the screen
                shots.Remove(shots[shots.Count - 1]); //Removes the last item

            shot.Position.X--;
        }
    }
}


class Shot
{
    public Vector2 Position;
    public int ISoutOfGame = -50;

    public Shot(Vector2 position)
    {
        Position = position;
    }
}

有没有什么方法可以让每个投篮都在球员的起始位置构建，而不是在玩家目前的位置创建？

Answer 1

以下是一些简单的示例，您如何做到这一点，它来自头部的VB代码而未经过测试。

Public Class Bullet
    Position as Vector2
    Velocity as Vector2
    Active as boolean = false
End Class

Public Class Bullets
    inherit list(of Bullet)

    // public sub Init(Position, Velocity, Type, Acting, Speed, Size..... )
    public Sub Init(Position, Velocity)
        dim new Bullet as Bullet
        Bullet.Position = Position
        Bullet.Velocity = Velocity
        Bullet.Active = true
        add(Bullet)
    end Sub

    public Sub Update()
        for each b as bullet in me.findall(function(c) c.active)
            b.position += b.velocity
            // if b.position outside screen then b.active = false
            // also on collision set active to false
        next

        me.removeall(function(c) not(c.active))
    end sub

    public Sub Draw()
        for each b as bullet in me.findall(function(c) c.active)
            // draw bullets
        next
    end Sub
End Class

只从一个位置拍摄

1 个答案: