cocos2d-xna 写的一个小游戏demo坦克大战

最近看到网上介绍cocos2d的资料很多,看了看cocos2d也支持wp7,下载了个 Cocos2d-XNA 安装包,写个小例子玩玩,熟悉下cocos2d
程序很简单,就一个入门级的小游戏，写完后放手机里运行了下效果还可以
开发环境 vs2010，windows phone sdk 7.1
实现方法如下
1.创建好 CCLayer 的子类
2.重写 onEnter  方法添加一些基本按钮 跟一些初始化代码
3.通过schedule方法 控制 坦克 子弹的CCSprite对象
4.根据点击手机屏幕，确定出坦克的方向，根据坦克的方向修改坦克的X，Y轴坐标，来实现坦克的移动
5.通过CCRect的CCRectIntersetsRect函数来进行碰撞检测，实现子弹打击坦克
6.代码完成后 安装zune后  就能把游戏部署到手机里面了 部署前手机要绑定开发者帐号或者学生帐号
具体实现代码
1.在项目里面添加枚举类型
    /// <summary>
    /// 表示方向的的枚举类型
    /// </summary>
    public enum Direction { L, U, D, R, STOP }
2.添加子弹类的相关常量，属性
        /// <summary>
        /// 子弹X轴的速度，单位PX
        /// </summary>
        public static int XSPEED = 10;
        /// <summary>
        /// 子弹Y轴的速度，单位PX
        /// </summary>
        public static int YSPEED = 10;
        /// <summary>
        /// 子弹的宽度
        /// </summary>
        public static int WIDTH = 15;
        /// <summary>
        /// 子弹的高度
        /// </summary>
        public static int HEIGHT = 15;
        /// <summary>
        /// 子弹的坐标
        /// </summary>
        int x, y;
        /// <summary>
        /// 子弹的方向
        /// </summary>
        Direction dir;
        /// <summary>
        /// 子弹的存活状态
        /// </summary>
        private bool live = true;
        /// <summary>
        /// TankClient窗体实例
        /// </summary>
        private TankClient tankClient;
        /// <summary>
        /// 敌我双方的标记
        /// </summary>
        private bool good;
        CCSprite m_missile;
  
3.添加draw方法来画出子弹
        public void Draw()
        {
            if (!live)
            {
                tankClient.removeChild(m_missile, true);
                tankClient.missiles.Remove(this);
                return;
            }
            m_missile.position = new CCPoint(x, y);
            Move();
        }
4.添加子弹打击坦克的方法
        public bool HitTank(Tank t)
        {
            //用IntersectsWith来检测两个矩形相碰撞
            //if (GetRectangle().IntersectsWith((t.GetRectangle())) && t.Live && this.live && this.good != t.Good)
            if (CCRect.CCRectIntersetsRect(GetRectangle(), t.GetRectangle()) && t.Live && this.live && this.good != t.Good)
            {
                t.Live = false;
                this.live = false;
                return true;
            }
            return false;
        }
5.添加坦克类相关属性，常量
      /// <summary>
        /// 坦克x轴的速度
        /// </summary>
        public static int XSPEED = 5;
        /// <summary>
        /// 坦克y轴的速度
        /// </summary>
        public static int YSPEED = 5;
        /// <summary>
        /// 坦克的宽度
        /// </summary>
        public static int WIDTH = 58;
        /// <summary>
        /// 坦克的高度
        /// </summary>
        public static int HEIGHT = 58;
        /// <summary>
        /// 坦克的坐标
        /// </summary>
        private int x, y;
        /// <summary>
        /// 标记上下左右键是否按下
        /// </summary>
        private bool l = false, u = false, r = false, d = false;
        /// <summary>
        /// 坦克的方向
        /// </summary>
        private Direction dir = Direction.STOP;
        /// <summary>
        /// 坦克炮筒方向
        /// </summary>
        private Direction ptDir = Direction.D;
        /// <summary>
        /// TankClient窗体实例
        /// </summary>
        TankClient tankClient;
        /// <summary>
        /// 标记敌我双方
        /// </summary>
        private bool good;
        /// <summary>
        /// 控制敌人坦克不规则运行时使用
        /// </summary>
        private int step = 0;
        /// <summary>
        /// 标记坦克的存活状态
        /// </summary>
        private bool live = true;
        public CCSprite m_tank;
6.在tank类中实现画坦克方法
     public void Draw()
        {
            if (!live)
            {
                if (!good)
                {
                    tankClient.removeChild(m_tank, true);
                    tankClient.tanks.Remove(this);
                }
                tankClient.removeChild(m_tank, true);
                return;
            }
            if (good)
            {
                m_tank.position = new CCPoint(x, y);
            }
            else
            {
                //g.FillEllipse(Brushes.Blue, x, y, WIDTH, HEIGHT);
                m_tank.position = new CCPoint(x, y);
            }
            //根据炮筒坦克来画出坦克的炮筒
            switch (ptDir)
            {
                case Direction.D:
                    m_tank.rotation = 0; //旋转精灵控制 炮筒方向
                    break;
                case Direction.U:
                    m_tank.rotation = 180;
                    break;
                case Direction.L:
                    m_tank.rotation = 270;
                    break;
                case Direction.R:
                    m_tank.rotation = 90;
                    break;
            }
            Move();
        }
 
7.tank发子弹的方法
        public Missile Fire()
        {
            if (!live) return null;
          
            int x = this.x;
            int y = this.y ;
            Missile missile = new Missile(x, y, good, ptDir, tankClient);
            tankClient.missiles.Add(missile);
            return missile;
        }

 
8.CCLayer加入坦克

            myTank = new Tank(60,420, true, this);
            for (int i = 0; i < 10; i++)
            {
                //添加10量坦克间距 为70
                tanks.Add(new Tank(50 + 70 * (i + 1), 20, false, this));
            }
9.CCLayer中调用子弹打击坦克的方法
            for (int i = 0; i < missiles.Count; i++)
            {
                Missile m = missiles[i];
                m.HitTank(myTank);
                m.HitTanks(tanks);
                m.Draw();
            }
10.控制坦克移动射击的部分代码
        public override void ccTouchEnded(CCTouch touch, CCEvent event_)
        {
            myTank.KeyReleased(Microsoft.Xna.Framework.Input.Keys.Down);
        }
       
        public void hitCallback(CCObject pSender)
        {
            myTank.KeyReleased(Microsoft.Xna.Framework.Input.Keys.Enter);
        }
 
11.虚拟机中的运行效果