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cocos2d 场景切换

发布时间:2020-07-16 19:01:24 来源:网络 阅读:247 作者:584851044 栏目:开发技术

开始学习cocos2d啦,加油啊!!!


第一个hello world界面


#ifndef __HELLOWORLD_SCENE_H__

#define __HELLOWORLD_SCENE_H__


#include "cocos2d.h"


#include "SimpleAudioEngine.h"


class HelloWorld : 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 recommand to return the exactly class pointer

    static cocos2d::CCScene* scene();

    

    // a selector callback

    void menuCloseCallback(CCObject* pSender);


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

    CREATE_FUNC(HelloWorld);

};


#endif  // __HELLOWORLD_SCENE_H__


#include "HelloWorldScene.h"

#include "MyLayer.h"


using namespace cocos2d;


CCScene* HelloWorld::scene()

{

    CCScene * scene = NULL;

    do 

    {

        // 'scene' is an autorelease object

        scene = CCScene::create();

        CC_BREAK_IF(! scene);


        // 'layer' is an autorelease object

        HelloWorld *layer = HelloWorld::create();

        CC_BREAK_IF(! layer);


        // add layer as a child to scene

        scene->addChild(layer);

    } while (0);


    // return the scene

    return scene;

}


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

bool HelloWorld::init()

{

    bool bRet = false;

    do 

    {

        //////////////////////////////////////////////////////////////////////////

        // super init first

        //////////////////////////////////////////////////////////////////////////


        CC_BREAK_IF(! CCLayer::init());


        //////////////////////////////////////////////////////////////////////////

        // add your codes below...

        //////////////////////////////////////////////////////////////////////////


        // 1. Add a menu item with "X" p_w_picpath, which is clicked to quit the program.


        // Create a "close" menu item with close icon, it's an auto release object.

        CCMenuItemImage *pCloseItem = CCMenuItemImage::create(

            "CloseNormal.png",

            "CloseSelected.png",

            this,

            menu_selector(HelloWorld::menuCloseCallback));

        CC_BREAK_IF(! pCloseItem);


        // Place the menu item bottom-right conner.

        pCloseItem->setPosition(ccp(CCDirector::sharedDirector()->getWinSize().width - 20, 20));


        // Create a menu with the "close" menu item, it's an auto release object.

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

        pMenu->setPosition(CCPointZero);

        CC_BREAK_IF(! pMenu);


        // Add the menu to HelloWorld layer as a child layer.

        this->addChild(pMenu, 1);


        // 2. Add a label shows "Hello World".


        // Create a label and initialize with string "Hello World".

        CCLabelTTF* pLabel = CCLabelTTF::create("Hello World", "Arial", 24);

        CC_BREAK_IF(! pLabel);


        // Get window size and place the label upper. 

        CCSize size = CCDirector::sharedDirector()->getWinSize();

        pLabel->setPosition(ccp(size.width / 2, size.height - 50));


        // Add the label to HelloWorld layer as a child layer.

        this->addChild(pLabel, 1);


        // 3. Add add a splash screen, show the cocos2d splash p_w_picpath.

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

        CC_BREAK_IF(! pSprite);


        // Place the sprite on the center of the screen

        pSprite->setPosition(ccp(size.width/2, size.height/2));


        // Add the sprite to HelloWorld layer as a child layer.

        this->addChild(pSprite, 0);


        bRet = true;

    } while (0);


    return bRet;

}


void HelloWorld::menuCloseCallback(CCObject* pSender)

{

    // "close" menu item clicked

   // CCDirector::sharedDirector()->end();

//场景切换

CCDirector::sharedDirector()->replaceScene(CCTransitionSlideInT::create(3.0,CMyLayer::scence()));

}




第二个场景代码

#pragma once

#include "cocos2d.h"

using namespace cocos2d;


class CMyLayer:public CCLayer

{

public:

CMyLayer(void);

~CMyLayer(void);

static CCScene * scence();

virtual bool init();

void CMyLayer::menuCloseCallback(CCObject* pSender);

CREATE_FUNC(CMyLayer);

};


#include "MyLayer.h"



CMyLayer::CMyLayer(void)

{

}



CMyLayer::~CMyLayer(void)

{

}


 CCScene *CMyLayer:: scence()

{

CCScene *pScence = CCScene::create();

CMyLayer *pCMyLayer = CMyLayer::create();

pScence->addChild(pCMyLayer);

return pScence;


}


bool CMyLayer::  init()

{

CCLabelTTF *pLable = CCLabelTTF::create("HI Fighting..!!!","Arial",40);

pLable->setPosition(ccp(200,200));

this->addChild(pLable);

CCMenuItemImage *pCloseItem = CCMenuItemImage::create(

"CloseNormal.png",

"CloseSelected.png",

this,

menu_selector(CMyLayer::menuCloseCallback));

//CC_BREAK_IF(! pCloseItem);


// Place the menu item bottom-right conner.

pCloseItem->setPosition(ccp(CCDirector::sharedDirector()->getWinSize().width - 20, 20));


// Create a menu with the "close" menu item, it's an auto release object.

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

pMenu->setPosition(CCPointZero);

 this->addChild(pMenu, 1);

//CC_BREAK_IF(! pMenu);

return true;

}


void CMyLayer::menuCloseCallback(CCObject* pSender)

{

// "close" menu item clicked

CCDirector::sharedDirector()->end();

//CCDirector::sharedDirector()->replaceScene(CMyLayer::scence());

}


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