scratchfoundation/scratch-audio
1
0
Fork 0
mirror of https://github.com/scratchfoundation/scratch-audio.git synced 2024-12-22 14:02:29 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

start audio param transition at now

Browse source 
Explicitly start the param transitions at the audio context's now time.
This commit is contained in:
Michael "Z" Goddard 2018-06-11 15:20:48 -04:00
parent f6d5353e83
commit 0059ff53e1
No known key found for this signature in database
GPG key ID: 762CD40DD5349872
2 changed files with 15 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/effects/PanEffect.js
View file

@ -58,8 +58,16 @@ class PanEffect extends Effect {
const leftVal = Math.cos(p * Math.PI / 2);
const rightVal = Math.sin(p * Math.PI / 2);
this.leftGain.gain.setTargetAtTime(leftVal, 0, this.audioEngine.DECAY_TIME);
this.rightGain.gain.setTargetAtTime(rightVal, 0, this.audioEngine.DECAY_TIME);
this.leftGain.gain.setTargetAtTime(
leftVal,
this.audioEngine.audioContext.currentTime,
this.audioEngine.DECAY_TIME
);
this.rightGain.gain.setTargetAtTime(
rightVal,
this.audioEngine.audioContext.currentTime,
this.audioEngine.DECAY_TIME
);
}
/**

6
src/effects/VolumeEffect.js
View file

@ -34,7 +34,11 @@ class VolumeEffect extends Effect {
this.value = value;
// A gain of 1 is normal. Scale down scratch's volume value. Apply the
// change over a tiny period of time.
this.outputNode.gain.setTargetAtTime(value / 100, 0, this.audioEngine.DECAY_TIME);
this.outputNode.gain.setTargetAtTime(
value / 100,
this.audioEngine.audioContext.currentTime,
this.audioEngine.DECAY_TIME
);
}
/**