AppDelegate.cpp文件详解

#include "AppDelegate.h"
#include "SimpleAudioEngine.h"


AppDelegate::AppDelegate(){}
AppDelegate::~AppDelegate() {}
//初始化方法
bool AppDelegate::applicationDidFinishLaunching()
{
    //获取导演
    auto director = Director::getInstance();
//获取绘制用GLView
auto glview = director->getOpenGLView();
//若不存在glview则重新创建
if(!glview)
{
glview = GLView::create("Test Cpp");
}
//设置绘制用GLView
director->setOpenGLView(glview);
//设置目标分辨率,别的分辨率的屏幕将自动上下或左右留白进行多分辨率自适应
glview->setDesignResolutionSize(960,540, ResolutionPolicy::SHOW_ALL);
//设置为显示FPS等信息
    director->setDisplayStats(false);
    //系统模拟时间间隔
    director->setAnimationInterval(1.0 / 60);//
    //创建欢迎场景
    GameSceneManager* gsm = new GameSceneManager();
    gsm->createScene(); //跌换到欢迎场景显示


//    director->runWithScene(gsm->gameScene);


    return true;
}
//当程序进入后台时调用此方法
void AppDelegate::applicationDidEnterBackground()
{
//停止动画
    Director::getInstance()->stopAnimation();
//    //如果有声音的话要调用下面一句暂停声音播放
//    SimpleAudioEngine::sharedEngine()->pauseBackgroundMusic();
//暂停背景音乐
CocosDenshion::SimpleAudioEngine::getInstance()->pauseBackgroundMusic();
}


//当程序进入前台时调用
void AppDelegate::applicationWillEnterForeground()
{
//开始动画
    Director::getInstance()->startAnimation();
//    //如果有声音的话要调用下面一句开始声音播放
//     SimpleAudioEngine::sharedEngine()->resumeBackgroundMusic();
//继续背景音乐
CocosDenshion::SimpleAudioEngine::getInstance()->resumeBackgroundMusic();
}