cocos2d可以调节音量吗? [英] Is it possible to adjust the sound volume cocos2d?

问题描述

我是用下面的方法，在cocos2d中表达音效.

I am using the following method, and express a sound effect in cocos2d.

[[SimpleAudioEngine sharedEngine] playBackgroundMusic:@"BackGround.m4a"];

但是BackgroundMusic的音量太小了.

But sound volume of BackgroundMusic is too small.

那么，有没有办法调节音量?

so, is there a way that adjust a sound volume?

推荐答案

backgroundMusicVolume SimpleAudioEngine 类的属性可用于此.

The backgroundMusicVolume property of the SimpleAudioEngine class can be used for this.

- (float) backgroundMusicVolume [read, write, assign]

   //Background music volume. Range is 0.0f to 1.0f. This will only have an effect if willPlayBackgroundMusic returns YES

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