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console.log("############################ init sound manager ###########################################")//声音管理模块对象；var sound_manager = {is_music_mute: -1, //背景音乐是否禁音 0没有静音 1静音is_effect_mute: -1, //音效是否禁音 0没有静音 1静音set_music_mute: function(is_mute){if (this.is_music_mute === is_mute){ //状态没有改变；return;}this.is_music_mute = (is_mute) ? 1 : 0;//如果静音，将音量调到0，否则，调到1；if (this.is_music_mute === 1){cc.audioEngine.setMusicVolume(0);}else if(this.is_music_mute === 0){cc.audioEngine.setMusicVolume(1);}//将参数保存到本地cc.sys.localStorage.setItem("music_mute", this.is_music_mute);},set_effect_mute(is_mute){if (this.is_effect_mute === is_mute){return;}this.is_effect_mute = is_mute ? 1 : 0;if(this.is_effect_mute === 1){cc.audioEngine.setEffectsVolume(0);}else if(this.is_effect_mute === 0){cc.audioEngine.setEffectsVolume(1);}cc.sys.localStorage.setItem("effect_mute", this.is_effect_mute);},//播放背景音乐play_music: function(file_name, is_loop){cc.audioEngine.stopMusic();var url = cc.url.raw(file_name);cc.audioEngine.playMusic(url, is_loop);if (this.is_music_mute === 1){cc.audioEngine.setMusicVolume(0);}else if(this.is_music_mute === 0){cc.audioEngine.setMusicVolume(1);}},//播放音效：play_effect: function(file_name, is_loop){if (this.is_effect_mute === 1){return;}cc.audioEngine.stopAllEffects();var url = cc.url.raw(file_name);cc.audioEngine.playEffect(url, is_loop);if(this.is_effect_mute === 0){cc.audioEngine.setEffectsVolume(1);}},play_click_effect:function(){this.play_effect("resources/sounds/audio/click.wav", false)},}//获取用户本地背景设置；
var local_music_mute = cc.sys.localStorage.getItem("music_mute");
if (local_music_mute){local_music_mute = parseInt(local_music_mute); console.log
}
else{local_music_mute = 0;
}sound_manager.set_music_mute(local_music_mute);//获取用户本地音效设置；
var local_effect_mute = cc.sys.localStorage.getItem("effect_mute");
if(local_effect_mute){local_effect_mute = parseInt(local_effect_mute);
}
else
{ local_effect_mute = 0;
}sound_manager.set_effect_mute(local_effect_mute);module.exports = sound_manager;注意 1.cc.sys.localStorage，适用于native 和 h5, getItem("key")，返回值为字符串。
2. 音效设置音量为0，如果播仍会有微弱的声音，（那就别播，如果禁音效）
3. 设置音乐声音的时候，调用播放函数，声音会恢复，所以要静音继续设置音量为0
4. 预加载声音 cc.audioEngine.preload
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