如何迅速降低音乐音量?

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问题描述

我正在创建一个带有背景音乐循环的SpriteKit游戏.问题是音乐太大声.如何降低音量?

I am creating a SpriteKit Game with background music looping. The problem is that the music is too loud. How do I lower the volume?

这是我用来设置音乐的代码

Here is the code I used to set up the music

    var backGroundMusic = AVAudioPlayer()
    var bgMusicUrl:NSURL = NSBundle.mainBundle().URLForResource("BackGround", withExtension: "wav")
    backGroundMusic = AVAudioPlayer(contentsOfURL:bgMusicUrl, error: nil)
    backGroundMusic.numberOfLoops = (-1)
    backGroundMusic.prepareToPlay()
    backGroundMusic.play()

推荐答案

您尝试过吗?

backGroundMusic.volume = 0.5

音量从0.0到1.0(最大音量). https://developer.apple.com/library/prerelease/ios/documentation/AVFoundation/Reference/AVAudioPlayerClassReference/index.html

Volume goes from 0.0 to 1.0 (full volume). https://developer.apple.com/library/prerelease/ios/documentation/AVFoundation/Reference/AVAudioPlayerClassReference/index.html

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