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Play drums!

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This commit is contained in:
Eric Rosenbaum 2017-11-14 14:39:11 -05:00
parent 73dbc82411
commit b64152637e
1 changed files with 10 additions and 3 deletions
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13
src/extensions/scratch3_music/index.js
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@ -428,15 +428,22 @@ class Scratch3MusicBlocks {
drum = MathUtil.wrapClamp(drum, 0, this.DRUM_INFO.length - 1);
let beats = Cast.toNumber(args.BEATS);
beats = this._clampBeats(beats);
if (util.target.audioPlayer !== null) {
util.target.audioPlayer.playDrumForBeats(drum, beats);
}
this._playDrumNum(util, drum);
this._startStackTimer(util, this._beatsToSec(beats));
} else {
this._checkStackTimer(util);
}
}
_playDrumNum (util, drumNum) {
if (util.target.audioPlayer === null) return;
const outputNode = util.target.audioPlayer.getInputNode();
const bufferSource = this.runtime.audioEngine.audioContext.createBufferSource();
bufferSource.buffer = this._drumBuffers[drumNum];
bufferSource.connect(outputNode);
bufferSource.start();
}
/**
* Rest for some number of beats.
* @param {object} args - the block arguments.