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https://github.com/scratchfoundation/scratch-audio.git
synced 2024-12-22 14:02:29 -05:00
loading all sounds on project load
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parent
037166dbc9
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1 changed files with 12 additions and 9 deletions
21
src/index.js
21
src/index.js
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@ -1,7 +1,7 @@
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var Tone = require('tone');
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var Tone = require('tone');
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var Soundfont = require('soundfont-player');
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var Soundfont = require('soundfont-player');
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function AudioEngine () {
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function AudioEngine (sounds) {
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// tone setup
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// tone setup
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@ -25,8 +25,9 @@ function AudioEngine () {
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// sound urls - map each url to its tone.sampler
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// sound urls - map each url to its tone.sampler
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this.soundSamplers = [];
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this.soundSamplers = [];
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this.loadSounds(sounds);
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// soundfont setup
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// soundfont setup
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// instrument names used by Musyng Kite soundfont, in order to
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// instrument names used by Musyng Kite soundfont, in order to
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// match scratch instruments
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// match scratch instruments
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@ -42,6 +43,15 @@ function AudioEngine () {
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);
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);
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}
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}
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AudioEngine.prototype.loadSounds = function (sounds) {
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for (var i=0; i<sounds.length; i++) {
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var url = sounds[i].fileUrl;
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var sampler = new Tone.Sampler(url, function () {
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this.soundSamplers[url] = sampler;
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}.bind(this)).toMaster();
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}
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};
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AudioEngine.prototype.playSound = function (soundNum) {
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AudioEngine.prototype.playSound = function (soundNum) {
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this.soundSamplers[soundNum].triggerAttack();
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this.soundSamplers[soundNum].triggerAttack();
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};
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};
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@ -144,13 +154,6 @@ AudioEngine.prototype.clearEffects = function () {
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// };
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// };
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AudioEngine.prototype.loadSounds = function (sounds) {
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for (var sound in sounds) {
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var sampler = new Tone.Sampler(sound.fileUrl).toMaster();
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this.soundSamplers[sound.fileUrl] = sampler;
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}
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};
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AudioEngine.prototype._clamp = function (input, min, max) {
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AudioEngine.prototype._clamp = function (input, min, max) {
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return Math.min(Math.max(input, min), max);
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return Math.min(Math.max(input, min), max);
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};
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};
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