TMenu.h

#ifndef__TMENU_H__

#define__TMENU_H__

#include"cocos2d.h"

USING_NS_CC;

classTMenu :publicCCLayer

{

public:

   staticCCScene *scene();

   CREATE_FUNC(TMenu);

   boolinit();

   CCMenu *menu;

   voidmenuCallback(CCObject * sender);

   voidcloseCallback(CCObject * sender);

   virtualboolccTouchBegan(CCTouch *pTouch,CCEvent *pEvent);

   virtualvoidccTouchMoved(CCTouch *pTouch,CCEvent *pEvent);

};

#endif

TMenu.cpp

#include"TMenu.h"

#include"AppMacros.h"

#include"T02LayerSprite.h"

#include"T03LayerZorder.h"

#include"T04ColorLayer.h"

#include"T05Coordinate.h"

#include"T06BatchNode.h"

#include"T07Schedule.h"

#include"T08Touch.h"

#include"T09Memory.h"

#include"T10Label.h"

//通过sizeof(menu_array)求出数组占用的总空间大小

//通过sizeof(*menu_array)求出数组中的每个元素的大小

staticchar *menu_array[]

{

   "T02LayerSprite.h",

   "T03LayerZorder.h",

   "T04ColorLayer.h",

   "T05Coordinate.h",

   "T06BatchNode.h",

   "T07Schedule.h",

   "T08Touch.h",

   "T09Memory.h",

   "T10Label.h"

};

CCScene *TMenu::scene()

{

   CCScene *scene =CCScene::create();

   TMenu *layer =TMenu::create();

   scene->addChild(layer);

   returnscene;

}

boolTMenu::init()

{

   CCLayer::init();

   menu =CCMenu::create();

   //通过下面的方式实现将菜单项添加到menu中

   for (inti = 0;i <sizeof(menu_array) / sizeof(*menu_array);i++)

   {

       CCMenuItem *item =CCMenuItemFont::create(menu_array[i],

           this,

           menu_selector(TMenu::menuCallback));

       menu->addChild(item);

   }

   //设置菜单的显示方向为垂直方向

   menu->alignItemsVertically();

   addChild(menu);

   CCArray * array =menu->getChildren();

   CCObject *obj;

   inti = 0;

   CCARRAY_FOREACH(array,obj)

   {

       CCMenuItem *item = (CCMenuItem*)obj;

       item->setTag(i + 1 + 10000);

       i++;

   }

   CCMenuItem *closeItem =CCMenuItemImage::create("CloseNormal.png","CloseSelected.png");

   closeItem->setTarget(this,menu_selector(TMenu::closeCallback));

   CCMenu *menu2 =CCMenu::create(closeItem,NULL);

   menu2->setPosition(CCPointZero);

   closeItem->setPosition(ccp(winSize.width - closeItem->getContentSize().width / 2,

       winSize.height - closeItem->getContentSize().height / 2));

   addChild(menu2);

   //设置触摸事件，为可touch

   setTouchEnabled(true);

   setTouchMode(kCCTouchesOneByOne);

   returntrue;

}

//当点击到菜单之后跳转到指定的CCScene中去

voidTMenu::menuCallback(CCObject * sender)

{

   CCMenuItem *item = (CCMenuItem *)sender;

   CCScene *pScene =NULL;

   switch (item->getTag() - 10000)

   {

   case 1:

       pScene =T02LayerSprite::scene();

       break;

   case 2:

       pScene =T03LayerZorder::scene();

       break;

   case 3:

       pScene =T04ColorLayer::scene();

       break;

   case 4:

       pScene =T05Coordinate::scene();

       break;

   case 5:

       pScene =T06BatchNode::scene();

       break;

   case 6:

       pScene =T07Schedule::scene();

       break;

   case 7:

       pScene =T08Touch::scene();

       break;

   case 8:

       pScene =T09Memory::scene();

       break;

   case 9:

       pScene =T10Label::scene();

       break;

   }

   if (pScene != NULL)

   {

       //通过CCDirector的sharedDirector来实现场景的切换

       CCDirector::sharedDirector()->replaceScene(pScene);

   }

}

//当点击关闭的时候游戏退出

voidTMenu::closeCallback(CCObject * sender)

{

   exit(0);

}

boolTMenu::ccTouchBegan(CCTouch *pTouch,CCEvent *pEvent)

{

   returntrue;

}

voidTMenu::ccTouchMoved(CCTouch *pTouch,CCEvent *pEvent){

   CCRectrcWin =CCRect(0,40,winSize.width,winSize.height - 80);

   CCMenuItem *firstItem = (CCMenuItem *)menu->getChildren()->objectAtIndex(0);

   CCMenuItem *lastItem = (CCMenuItem *)menu->getChildren()->lastObject();

   CCPointfirstInWorld =menu->convertToWorldSpace(firstItem->getPosition());

   CCPointlastInWorld =menu->convertToWorldSpace(lastItem->getPosition());

   //其中Delta的坐标表示的是开始坐标的减去最后坐标的差值

   if (rcWin.containsPoint(firstInWorld) && pTouch->getDelta().y<0)

       return;

   if (rcWin.containsPoint(lastInWorld) && pTouch->getDelta().y>0)

       return;

   menu->setPositionY(menu->getPositionY() + pTouch->getDelta().y);

}

运行结果：