废话不说 直接看注释
<span style="font-size:24px;color:#ff0000;">AppDelegate.cpp</span>
#include "AppDelegate.h"
#include "HelloWorldScene.h"
//USING_NS_CC == using namespace cocos2d
USING_NS_CC;//using namespace cocos2d
//构造函数
AppDelegate::AppDelegate() {
}
//析构函数
AppDelegate::~AppDelegate()
{
}
//程序初始化函数
bool AppDelegate::applicationDidFinishLaunching() {
// initialize director
//获取设备
auto director = Director::getInstance();
//取得OpenGL窗口
auto glview = director->getOpenGLView();
if(!glview) {
//如果为空，则创建以" www.sundaboke.com"为窗口标题的窗口。
glview = GLView::create("www.sundaboke.com");//这里我修改过 //刚刚开始是My Game 我修改成www.sundaboke.com cocos2dx 默认的设置的窗口大小是960,640
//设置设备使用的窗口，此句可以去掉。
//director->setOpenGLView(glview);这一句我个人医保写在下面
}
//设置设备使用的窗口，
director->setOpenGLView(glview);
// turn on display FPS
//打开FPS显示
director->setDisplayStats(true);
// set FPS. the default value is 1.0/60 if you don't call this
//设置每秒60帧
director->setAnimationInterval(1.0 / 60);
// create a scene. it's an autorelease object
//创建HelloWorld场景
auto scene = HelloWorld::createScene();
// run
//运行场景
director->runWithScene(scene);
return true;
}
// This function will be called when the app is inactive. When comes a phone call,it's be invoked too
//当收到电话时，游戏转入后台服务，响应这句话
void AppDelegate::applicationDidEnterBackground() {
Director::getInstance()->stopAnimation();
//如果使用使用，下面可以用这句代码暂停
// if you use SimpleAudioEngine, it must be pause
// SimpleAudioEngine::getInstance()->pauseBackgroundMusic();
}
// this function will be called when the app is active again
//当电话完成，选择恢复游戏是，响应这一句
void AppDelegate::applicationWillEnterForeground() {
Director::getInstance()->startAnimation();
// if you use SimpleAudioEngine, it must resume here
//如果使用声音，下面可以用这句代码恢复
// SimpleAudioEngine::getInstance()->resumeBackgroundMusic();
}
<span style="font-size:48px;color:#ff0000;"></span><pre name="code" class="cpp"><span style="font-size:48px;color:#ff6666;">HelloWorldScene.h</span>
<pre name="code" class="cpp">#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__
#include "cocos2d.h"
class HelloWorld : public cocos2d::Layer
{
public:
// there's no 'id' in cpp, so we recommend returning the class instance pointer
//静态函数创建createScene cocos2dx3.x以后都是这个
static cocos2d::Scene* createScene();
// Here's a difference. Method 'init' in cocos2d-x returns bool, instead of returning 'id' in cocos2d-iphone
//初始化
virtual bool init();
// a selector callback
//响应按钮退出程序
void menuCloseCallback(cocos2d::Ref* pSender);
// implement the "static create()" method manually
// 增加一个静态的create函数来创建实例。
CREATE_FUNC(HelloWorld);
};
#endif // __HELLOWORLD_SCENE_H__
HelloWorldScene.cpp
#include "HelloWorldScene.h"
USING_NS_CC;//使用cocos2dx命名空间 USING_NS_CC == using namespace cocos2d
//静态函数创建场景
Scene* HelloWorld::createScene()
{
// 'scene' is an autorelease object
<span style="white-space:pre"> </span>//创建一个Scene
auto scene = Scene::create();
// 'layer' is an autorelease object
<span style="white-space:pre"> </span>//创建一个 layer
auto layer = HelloWorld::create();
// add layer as a child to scene
<span style="white-space:pre"> </span>// 把 layer 发到 scene 中
scene->addChild(layer);
// return the scene
return scene;
}
// on "init" you need to initialize your instance
bool HelloWorld::init()
{
//////////////////////////////
// 1. super init first
<span style="white-space:pre"> </span>//先初始化
if ( !Layer::init() )
{
return false;
}
//获取屏幕分辨率
Size visibleSize = Director::getInstance()->getVisibleSize();
<span style="white-space:pre"> </span>
<span style="white-space:pre"> </span>//获取圆点坐标
Vec2 origin = Director::getInstance()->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
<span style="white-space:pre"> </span>//创建一个按钮，用2张图表示，默认是第一张图片，按下使用第二张，按下的时候调用HelloWorld::menuCloseCallback方法
auto closeItem = MenuItemImage::create(
"CloseNormal.png",
"CloseSelected.png",
CC_CALLBACK_1(HelloWorld::menuCloseCallback, this));
//设置按钮的位置
<span style="white-space:pre"> </span>closeItem->setPosition(Vec2(origin.x + visibleSize.width - closeItem->getContentSize().width/2 ,
origin.y + closeItem->getContentSize().height/2));
// create menu, it's an autorelease object
<span style="white-space:pre"> </span>//由菜单项创建按钮.
auto menu = Menu::create(closeItem, NULL);
menu->setPosition(Vec2::ZERO);//设置菜单的位置
this->addChild(menu, 1);
/////////////////////////////
// 3. add your codes below...
// add a label shows "Hello World"
// create and initialize a label
//创建一个文本标签，
auto label = LabelTTF::create("www.sundaboke.com", "Arial", 24);
// position the label on the center of the screen
<span style="white-space:pre"> </span>//设置文本标签的位置
label->setPosition(Vec2(origin.x + visibleSize.width/2,
origin.y + visibleSize.height - label->getContentSize().height));
// add the label as a child to this layer
this->addChild(label, 1);//在屏幕上面显示标签
// add "HelloWorld" splash screen"
<span style="white-space:pre"> </span>//创建一个背景
auto sprite = Sprite::create("HelloWorld.png");
// position the sprite on the center of the screen
<span style="white-space:pre"> </span>//设置背景的位置
sprite->setPosition(Vec2(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));
// add the sprite as a child to this layer
<span style="white-space:pre"> </span>//把背景添加到屏幕中
this->addChild(sprite, 0);
return true;
}
//响应按钮按下时的事件处理
void HelloWorld::menuCloseCallback(Ref* pSender)
{
<span style="white-space:pre"> </span>//如果是WP8平台，弹出消息框提示一下。
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
<span style="white-space:pre"> </span>MessageBox("You pressed the close button. Windows Store Apps do not implement a close button.","Alert");
return;
#endif
<span style="white-space:pre"> </span>//否则，终止程序。
Director::getInstance()->end();
<span style="white-space:pre"> </span>//退出程序
#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
exit(0);
#endif
}
时间： 2025-01-08 10:18:59