两个场景切换

场景一：

#ifndef __HELLO_H__

#define __HELLO_H__

#include "cocos2d.h"

class Hello : public cocos2d:: CCLayer

{

public:

      // Here's a difference. Method 'init' in cocos2d-x returns bool, instead of returning 'id' in cocos2d-iphone

      virtual bool init();  

      // there's no 'id' in cpp, so we recommend returning the class instance pointer

      static cocos2d ::CCScene* scene();

      // a selector callback

      void menuCloseCallback (CCObject* pSender);

      // implement the "static node()" method manually

      CREATE_FUNC(Hello );

private:

      cocos2d::CCLabelTTF * m_pLabel ;

      cocos2d::CCMenuItemImage * m_pCloseItem ;

};

#endif

#include "Hello.h"

#include "../CocosDenshion/win32/MciPlayer.h"

#include "sprite_nodes/CCAnimation.h"

#include "AppMacros.h"

#include "HelloWorldScene.h"

using namespace cocos2d;

using namespace CocosDenshion;

USING_NS_CC ;

CCScene* Hello::scene ()

{

      // 'scene' is an autorelease object

      CCScene * scene = CCScene:: create();

      // 'layer' is an autorelease object

      Hello* layer = Hello:: create();

      // add layer as a child to scene

      scene->addChild (layer);

      // return the scene

      return scene ;

}

// on "init" you need to initialize your instance

bool Hello ::init()

{

      //////////////////////////////

      // 1. super init first

      if ( !CCLayer ::init() )

      {

           return false ;

      }

      CCSize visibleSize = CCDirector::sharedDirector ()->getVisibleSize();

      CCPoint origin = CCDirector::sharedDirector ()->getVisibleOrigin();

      /////////////////////////////

      // 2. add a menu item with "X" image, which is clicked to quit the program

      //    you may modify it.

      // add a "close" icon to exit the progress. it's an autorelease object

      m_pCloseItem = CCMenuItemImage:: create(

           "CloseNormal.png",

           "CloseSelected.png" ,

           this,

           menu_selector(Hello ::menuCloseCallback));

      m_pCloseItem->setPosition (ccp( origin.x + visibleSize.width - m_pCloseItem->getContentSize ().width/ 2 ,

           origin.y + m_pCloseItem->getContentSize ().height/ 2));

      // create menu, it's an autorelease object

      CCMenu* pMenu = CCMenu:: create(m_pCloseItem , NULL );

      pMenu->setPosition (CCPointZero);

      this->addChild (pMenu, 1);

      /////////////////////////////

      // 3. add your codes below...

      // add a label shows "Hello World"

      // create and initialize a label

      m_pLabel = CCLabelTTF:: create("Hello" , "Arial" , TITLE_FONT_SIZE );

      // position the label on the center of the screen

      m_pLabel->setPosition (ccp( origin.x + visibleSize.width /2,

           origin.y + visibleSize.height - m_pLabel->getContentSize ().height));

      // add the label as a child to this layer

      this->addChild (m_pLabel, 1);

      // add "HelloWorld" splash screen"

      CCSprite* pSprite = CCSprite:: create("Player.png" );

      // position the sprite on the center of the screen

      pSprite->setPosition (ccp( visibleSize.width /2 + origin.x , visibleSize .height/ 2 + origin. y));

      // add the sprite as a child to this layer

      this->addChild (pSprite, 0);

      return true ;

}

void Hello ::menuCloseCallback( CCObject* pSender)

{

#if ( CC_TARGET_PLATFORM == CC_PLATFORM_WINRT) || (CC_TARGET_PLATFORM == CC_PLATFORM_WP8 )

      CCMessageBox("You pressed the close button. Windows Store Apps do not implement a close button.", "Alert");

#else

      CCDirector* pDir = CCDirector:: sharedDirector();

      if (! pDir)

      {

           CCLOG("Change Scene Error" );

           return ;

      }

           CCScene* s = HelloWorld:: scene();

           float t = 12.3f;

           CCTransitionEaseScene* pReturnScene = (CCTransitionEaseScene*) CCTransitionProgressRadialCCW ::create( t, s);

           pDir->replaceScene (s);

#if ( CC_TARGET_PLATFORM == CC_PLATFORM_IOS)

      exit(0 );

#endif

#endif

}

场景二：

#ifndef __HELLOWORLD_SCENE_H__

#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"

#include "Hello.h"

class HelloWorld : public cocos2d:: CCLayer

{

public:

      // 初始化

      virtual bool init();

      // 当 init 函数执行后， 默认进入OnEnter生命周期函数

      void onEnter ()

      {

           CCLOG("HelloWorld onEnter" );

           CCLayer::onEnter ();          // 务必调用

      }

      // 当 A场景 利用 CCTransitionScene 动画切换到B场景时，过渡动画执行完成后

      // 默认调用B场景的此 生命周期函数

      void onEnterTransitionDidFinish ()

      {

           CCLOG("HelloWorld onEnterTransitionDidFinish" );

           CCLayer::onEnterTransitionDidFinish ();

      }

      // 当场景退出后， 默认调用此 生命周期函数

      void onExit ()

      {

           CCLOG("HelloWorld onExit" );

           CCLayer::onExit ();          // 务必调用

      }

      // 返回一个特定的场景

      static cocos2d ::CCScene* scene();

      void changeScene (float dt);

      void menuCloseCallback (CCObject* pSender);

      // 创造一个HelloWorld 的函数

      CREATE_FUNC(HelloWorld );

};

#endif

#include "HelloWorldScene.h"

#include "../CocosDenshion/win32/MciPlayer.h"

#include "sprite_nodes/CCAnimation.h"

#include "AppMacros.h"

#include "Hello.h"

#include "menu_nodes/CCMenuItem.h"

using namespace cocos2d;

using namespace CocosDenshion;

USING_NS_CC ;

// 以上是Hello 场景     以下是HelloWorld的场景

// 返回一个特定的场景

CCScene* HelloWorld::scene ()

{

      // 创建一个场景

      CCScene* scene = CCScene:: create();

      // 将 HelloWorld 层加到场景 之中

      HelloWorld* layer = HelloWorld:: create();

      scene->addChild (layer);

      return scene ;

}

// 对HelloWorld的场景进行初始化

bool HelloWorld ::init()

{

      bool bInitSucceed = false;

     

      if(!CCLayer ::init())

      {

           return bInitSucceed ;

      }

      CCSize visibleSize = CCDirector::sharedDirector ()->getVisibleSize();

      CCPoint origin = CCDirector::sharedDirector ()->getVisibleOrigin();

      /////////////////////////////

      // 2. add a menu item with "X" image, which is clicked to quit the program

      //    you may modify it.

      // add a "close" icon to exit the progress. it's an autorelease object

      cocos2d::CCMenuItemImage * pCloseItem = CCMenuItemImage ::create(

           "CloseNormal.png",

           "CloseSelected.png" ,

           this,

           menu_selector(HelloWorld ::menuCloseCallback));

      // 设置一样的坐标

      pCloseItem->setPosition (ccp( 100, 180));

      // create menu, it's an autorelease object

      CCMenu* pMenu = CCMenu:: create(pCloseItem , NULL );

      pMenu->setPosition (CCPointZero);

      addChild(pMenu , 1 );

      return true ;

}

void HelloWorld ::menuCloseCallback( CCObject* pSender)

{

      // 设置初始值

      CCTransitionEaseScene* pReturnScene = NULL;

      float t = 1.2f;

      CCScene* s = Hello:: scene();

      pReturnScene = (CCTransitionEaseScene*) CCTransitionProgressRadialCCW ::create( t, s);

      CCScene* pNewScene = (CCScene *)pReturnScene;

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

}

  

两个场景通过按钮来实现切换。。。。。。。。。