1 bool HelloWorld::init()
 2 {
 3     bool bRet = false;
 4
 5     do
 6     {
 7         if ( !CCLayer::init() )
 8         {
 9             break;
10         }
11         this->setIsTouchEnabled(true);
12
13         CCSize screenSize = CCDirector::sharedDirector()->getWinSize();
14
15         // 1. Add a menu item with "X" image, which is clicked to quit the program.
16
17         // Create a "close" menu item with close icon, it's an auto release object.
18         CCMenuItemImage *pCloseItem = CCMenuItemImage::itemFromNormalImage(
19             "CloseNormal.png",
20             "CloseSelected.png",
21             this,
22             menu_selector(HelloWorld::menuCloseCallback));
23         CC_BREAK_IF(! pCloseItem);
24
25         // Place the menu item bottom-right conner.
26         pCloseItem->setPosition(ccp(CCDirector::sharedDirector()->getWinSize().width - 20, 20));
27
28         // Create a menu with the "close" menu item, it's an auto release object.
29         CCMenu* pMenu = CCMenu::menuWithItems(pCloseItem, NULL);
30         pMenu->setPosition(CCPointZero);
31         CC_BREAK_IF(! pMenu);
32
33         // Add the menu to HelloWorld layer as a child layer.
34         this->addChild(pMenu, 1);
35
36         // 2. Add a label shows "Hello World".
37
38         // Create a label and initialize with string "Hello World".
39         CCLabelTTF* pLabel = CCLabelTTF::labelWithString("Hello World", "Arial", 24);
40         CC_BREAK_IF(! pLabel);
41
42         // Get window size and place the label upper.
43         CCSize size = CCDirector::sharedDirector()->getWinSize();
44         pLabel->setPosition(ccp(size.width / 2, size.height - 50));
45
46         // Add the label to HelloWorld layer as a child layer.
47         this->addChild(pLabel, 1);
48
49         // 3. Add add a splash screen, show the cocos2d splash image.
50         CCSprite* pSprite = CCSprite::spriteWithFile("HelloWorld.png");
51         CC_BREAK_IF(! pSprite);
52
53         // Place the sprite on the center of the screen
54         pSprite->setPosition(ccp(size.width/2, size.height/2));
55
56         // Add the sprite to HelloWorld layer as a child layer.
57         this->addChild(pSprite, 0);
58
59         bRet = true;
60     } while (0);
61
62     return bRet;
63 }

 1 #ifndef __HELLOWORLD_SCENE_H__
 2 #define __HELLOWORLD_SCENE_H__
 3
 4 #include "cocos2d.h"
 5 #include "SimpleAudioEngine.h"
 6
 7 class HelloWorld : public cocos2d::CCLayer
 8 {
 9 public:
10     HelloWorld();
11     ~HelloWorld();
12
13     // Here's a difference. Method 'init' in cocos2d-x returns bool, instead of returning 'id' in cocos2d-iphone
14     virtual bool init();
15
16     // there's no 'id' in cpp, so we recommand to return the exactly class pointer
17     static cocos2d::CCScene* scene();
18
19     // a selector callback
20     void menuCloseCallback(CCObject* pSender);
21
22     // implement the "static node()" method manually
23     LAYER_NODE_FUNC(HelloWorld);
24 };
25
26 #endif  // __HELLOWORLD_SCENE_H__

  1 #include "pch.h"
  2 #include "HelloWorldScene.h"
  3
  4 using namespace cocos2d;
  5
  6 HelloWorld::~HelloWorld()
  7 {
  8     // cpp don't need to call super dealloc
  9     // virtual destructor will do this
 10 }
 11
 12 HelloWorld::HelloWorld()
 13 {
 14 }
 15
 16 CCScene* HelloWorld::scene()
 17 {
 18     CCScene * scene = NULL;
 19     do
 20     {
 21         // 'scene' is an autorelease object
 22         scene = CCScene::node();
 23         CC_BREAK_IF(! scene);
 24
 25         // 'layer' is an autorelease object
 26         HelloWorld *layer = HelloWorld::node();
 27         CC_BREAK_IF(! layer);
 28
 29         // add layer as a child to scene
 30         scene->addChild(layer);
 31     } while (0);
 32
 33     // return the scene
 34     return scene;
 35 }
 36
 37 // on "init" you need to initialize your instance
 38 bool HelloWorld::init()
 39 {
 40     bool bRet = false;
 41
 42     do
 43     {
 44         if ( !CCLayer::init() )
 45         {
 46             break;
 47         }
 48         this->setIsTouchEnabled(true);
 49
 50         CCSize screenSize = CCDirector::sharedDirector()->getWinSize();
 51
 52         // 1. Add a menu item with "X" image, which is clicked to quit the program.
 53
 54         // Create a "close" menu item with close icon, it's an auto release object.
 55         CCMenuItemImage *pCloseItem = CCMenuItemImage::itemFromNormalImage(
 56             "CloseNormal.png",
 57             "CloseSelected.png",
 58             this,
 59             menu_selector(HelloWorld::menuCloseCallback));
 60         CC_BREAK_IF(! pCloseItem);
 61
 62         // Place the menu item bottom-right conner.
 63         pCloseItem->setPosition(ccp(CCDirector::sharedDirector()->getWinSize().width - 20, 20));
 64
 65         // Create a menu with the "close" menu item, it's an auto release object.
 66         CCMenu* pMenu = CCMenu::menuWithItems(pCloseItem, NULL);
 67         pMenu->setPosition(CCPointZero);
 68         CC_BREAK_IF(! pMenu);
 69
 70         // Add the menu to HelloWorld layer as a child layer.
 71         this->addChild(pMenu, 1);
 72
 73         // 2. Add a label shows "Hello World".
 74
 75         // Create a label and initialize with string "Hello World".
 76         CCLabelTTF* pLabel = CCLabelTTF::labelWithString("Hello World", "Arial", 24);
 77         CC_BREAK_IF(! pLabel);
 78
 79         // Get window size and place the label upper.
 80         CCSize size = CCDirector::sharedDirector()->getWinSize();
 81         pLabel->setPosition(ccp(size.width / 2, size.height - 50));
 82
 83         // Add the label to HelloWorld layer as a child layer.
 84         this->addChild(pLabel, 1);
 85
 86         // 3. Add add a splash screen, show the cocos2d splash image.
 87         CCSprite* pSprite = CCSprite::spriteWithFile("HelloWorld.png");
 88         CC_BREAK_IF(! pSprite);
 89
 90         // Place the sprite on the center of the screen
 91         pSprite->setPosition(ccp(size.width/2, size.height/2));
 92
 93         // Add the sprite to HelloWorld layer as a child layer.
 94         this->addChild(pSprite, 0);
 95
 96         bRet = true;
 97     } while (0);
 98
 99     return bRet;
100 }
101
102 void HelloWorld::menuCloseCallback(CCObject* pSender)
103 {
104     // "close" menu item clicked
105     CCDirector::sharedDirector()->end();
106 }