Created
July 3, 2013 18:40
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Reference for fading in and out sounds with the Web Audio API
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fadeTo: (value, fadeLength)-> | |
fadeLength = fadeLength || @defaultfadeLength | |
currentTime = @ctx.currentTime | |
#time the fade should complete | |
fadeTime = currentTime + fadeLength | |
#set the start time | |
@masterGain.gain.setValueAtTime(@userVolume, currentTime) | |
@masterGain.gain.linearRampToValueAtTime(value, fadeTime) | |
fadeOut: (fadeLength)-> | |
fadeLength = fadeLength || @defaultfadeLength | |
@fadeTo(0, fadeLength) | |
fadeIn: (fadeLength)-> | |
fadeLength = fadeLength || @defaultfadeLength | |
@fadeTo(@userVolume, fadeLength) |
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