scratchfoundation/scratch-vm
1
0
Fork 0
mirror of https://github.com/scratchfoundation/scratch-vm.git synced 2024-12-24 06:52:40 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Check for instrument sample before playing

Browse source
This commit is contained in:
Eric Rosenbaum 2017-11-28 13:15:48 -05:00
parent 421a92cad1
commit 773c167987
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/extensions/scratch3_music/index.js
View file

@ -602,6 +602,10 @@ class Scratch3MusicBlocks {
const sampleArray = instrumentInfo.samples;
const sampleIndex = this._selectSampleIndexForNote(note, sampleArray);
// If the audio sample has not loaded yet, bail out
if (typeof this._instrumentBufferArrays[inst] === 'undefined') return;
if (typeof this._instrumentBufferArrays[inst][sampleIndex] === 'undefined') return;
// Create the audio buffer to play the note, and set its pitch
const context = util.runtime.audioEngine.audioContext;
const bufferSource = context.createBufferSource();