cocos2d 声音引擎

1. //预加载  
2. SimpleAudioEngine::sharedEngine()->preloadBackgroundMusic("music_logo.mp3");  
3.   
4. //播放背景音乐  
5. SimpleAudioEngine::sharedEngine()->playBackgroundMusic("music_logo.mp3", true);  
6.   
7. //暂停播放  
8. SimpleAudioEngine::sharedEngine()->pauseBackgroundMusic();  
9.   
10. //停止播放，还有一个函数带一个参数，表示是否释放该资源  
11. SimpleAudioEngine::sharedEngine()->stopBackgroundMusic();  
12.   
13. //设置音量，0.0-1.0  
14. SimpleAudioEngine::sharedEngine()->setBackgroundMusicVolume(0.5);  
15.   
16. //播放音效  
17. SimpleAudioEngine::sharedEngine()->playEffect("sound_button.mp3");  
18.   
19. //暂停某个音效  
20. SimpleAudioEngine::sharedEngine()->pauseEffect(unsigned int nSoundId);  
21.   
22. //暂停全部音效  
23. SimpleAudioEngine::sharedEngine()->pauseAllEffects();  
24.   
25. //停止某个音效  
26. SimpleAudioEngine::sharedEngine()->stopEffect(unsigned int nSoundId);  
27.   
28. //停止所有音效  
29. SimpleAudioEngine::sharedEngine()->stopAllEffects();  
30.   
31. //在程序不需要音乐时，释放sharedEngine()  
32. SimpleAudioEngine::sharedEngine()->end();