《Cocos2d学习之路》四,播放音乐与音效以及Menu的学习使用

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转载请说明出处:http://www.jb51.cc/article/p-vzaokbla-bas.html

github地址:https://github.com/teffy/cocos2dx


接着看教程:播放音乐与音效,然后想实现一个播放,暂停,停止的小功能,就附加看了一下Menu的一些知识,又回顾了一下坐标系

音乐和音效的播放主要使用的SimpleAudioEngine,目前看3.x里面SimpleAudioEngine的注释没有说depart,所以应该和2.x是一直的。

1、先导入头文件和命名空间

#include <SimpleAudioEngine.h>

using namespace CocosDenshion;

2、SimpleAudioEngine::getInstance()初始化AudioEngine,在Scene的init中调用
	SimpleAudioEngine::getInstance()->preloadBackgroundMusic(BG_MUSIC);
	SimpleAudioEngine::getInstance()->preloadEffect(DOG_WANGWANG);

预加载音频文件

3、然后在相应的事件处理中,就可以调用相关方法,比如:

SimpleAudioEngine::getInstance()->playBackgroundMusic(BG_MUSIC,true);
dog_wangwang = SimpleAudioEngine::getInstance()->playEffect(DOG_WANGWANG);
SimpleAudioEngine::getInstance()->resumeBackgroundMusic();
SimpleAudioEngine::getInstance()->resumeEffect(dog_wangwang);
	if (SimpleAudioEngine::getInstance()->isBackgroundMusicPlaying()){
		SimpleAudioEngine::getInstance()->pauseBackgroundMusic();
	}
	if (dog_wangwang > 0){
		SimpleAudioEngine::getInstance()->pauseEffect(dog_wangwang);
	}
	SimpleAudioEngine::getInstance()->stopBackgroundMusic(true);
	SimpleAudioEngine::getInstance()->stopAllEffects();
还有一些方法,可以查看定义。


Menu继承关系如图:


简单使用

    auto playBgMusic = MenuItemFont::create("Paly BgMusic",CC_CALLBACK_1(HelloWorld::menuPlayBgMusicCallback,this));
    playBgMusic->setPosition(Vec2(visibleSize.width / 5,visibleSize.height / 6));

    // create menu,it's an autorelease object
    auto menu = Menu::create(closeItem,playBgMusic,playEffect,pause,resume,stop,NULL);
    menu->setPosition(Vec2::ZERO);
    this->addChild(menu,1);

void HelloWorld::menuPlayBgMusicCallback(Ref* pSender){
    SimpleAudioEngine::getInstance()->playBackgroundMusic(BG_MUSIC,true);
}

更多的可以去下面的资源地址里看一下


相关资源地址:

教程:http://blog.csdn.net/u012945598/article/details/16992389

Menu:http://www.tuicool.com/articles/immUVn http://my.oschina.net/Jacedy/blog/301709

坐标系:http://cn.cocos2d-x.org/article/index?type=cocos2d-x&url=/doc/cocos-docs-master/manual/framework/native/v3/coordinate-system/zh.md


demo地址:http://download.csdn.net/detail/lsmfeixiang/8309609

原文链接:https://www.f2er.com/cocos2dx/345228.html

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