remove outdated audio from playground

playground/AudioEngine.js

@@ -1,158 +0,0 @@
-function AudioEngine () {
-
-    // tone setup
-
-	this.tone = new Tone();
-
-	// effects setup
-
-    this.delay = new Tone.FeedbackDelay(0.25, 0.5);    
-    this.panner = new Tone.Panner();
-    this.reverb = new Tone.Freeverb();
-
-    this.clearEffects();
-
-    Tone.Master.chain(this.delay, this.panner, this.reverb);
-
-    // drum sounds
-
-    var drumFileNames = ['high_conga', 'small_cowbell', 'snare_drum', 'splash cymbal'];
-    this.drumSamplers = this._loadSoundFiles(drumFileNames);
-
-    // sound urls - map each url to its tone.sampler
-    this.soundSamplers = [];
-
-       // soundfont setup
-
-    // instrument names used by Musyng Kite soundfont, in order to match scratch instruments
-    this.instrumentNames = ['acoustic_grand_piano', 'electric_piano_1', 'drawbar_organ', 'acoustic_guitar_nylon',
-        'electric_guitar_clean', 'acoustic_bass', 'pizzicato_strings', 'cello', 'trombone', 'clarinet'];
-
-    Soundfont.instrument(Tone.context, this.instrumentNames[0]).then(function (inst) {
-        this.instrument = inst;
-        this.instrument.connect(Tone.Master);
-    }.bind(this));
-}
-
-AudioEngine.prototype.playSound = function (soundNum) {
-    this.soundSamplers[soundNum].triggerAttack();
-};
-
-AudioEngine.prototype.playSoundFromUrl = function (url) {
-    if (url) {
-        // if we've loaded it already, play it
-        if (this.soundSamplers[url]) {
-            // this.soundSamplers[url].triggerAttack();
-            this.soundSamplers[url].player.start();
-        } else {
-        // else load, play, and store it    
-        // this results in a delay the first time you play the sound
-            var sampler = new Tone.Sampler(url, function() {
-                sampler.triggerAttack();
-                this.soundSamplers[url] = sampler;
-            }.bind(this)).toMaster();
-        }
-    }
-};
-
-AudioEngine.prototype.getSoundDuration = function (soundNum) {
-    return this.soundSamplers[soundNum].player.buffer.duration;
-};
-
-AudioEngine.prototype.playNoteForBeats = function(note, beats) {
-    this.instrument.play(note, Tone.context.currentTime, {duration : Number(beats)}); 
-};
-
-AudioEngine.prototype.playDrumForBeats = function(drumNum, beats) {
-    this.drumSamplers[drumNum].triggerAttack();        
-};
-
-AudioEngine.prototype.stopAllSounds = function() {
-    // stop drum notes
-    for (var i=0; i<this.drumSamplers.length; i++) {
-        this.drumSamplers[i].triggerRelease();
-    }
-    // stop sounds triggered with playSound (indexed by their urls)
-    for (var i in this.soundSamplers) {
-        this.soundSamplers[i].triggerRelease();
-    }
-    // stop soundfont notes
-    this.instrument.stop();
-};
-
-AudioEngine.prototype.setEffect = function(effect, value) {
-    switch (effect) {
-        case 'ECHO':
-            this.delay.wet.value = (value / 100) / 2; // max 50% wet (need dry signal too)
-            break;
-        case 'PAN':
-            this.panner.pan.value = value / 100;
-            break;
-        case 'REVERB':
-            this.reverb.wet.value = value / 100;
-            break;
-        case 'PITCH':
-            // this.pitchShift.pitch = value / 20; // arbitrary scaling of 20 per semitone, for now... default 100 is a perfect fourth
-            this._setPitchShift(value / 20);
-            break;
-    }
-}
-
-AudioEngine.prototype.changeEffect = function(effect, value) {
-    switch (effect) {
-        case 'ECHO':
-            this.delay.wet.value += (value / 100) / 2; // max 50% wet (need dry signal too)
-            this.delay.wet.value = this._clamp(this.delay.wet.value, 0, 0.5);
-            break;
-        case 'PAN':
-            this.panner.pan.value += value / 100;
-            this.panner.pan.value = this._clamp(this.panner.pan.value, -1, 1);
-            break;
-        case 'REVERB':
-            this.reverb.wet.value += value / 100;
-            this.reverb.wet.value = this._clamp(this.reverb.wet.value, 0, 1);
-            break;
-        case 'PITCH':
-            // this.pitchShift.pitch += value / 20;
-            break;
-    }
-} 
-
-AudioEngine.prototype._setPitchShift = function(value) {
-    for (var i in this.soundSamplers) {
-        this.soundSamplers[i].player.playbackRate = 1 + value;
-        console.log(this.soundSamplers[i].player.playbackRate);
-    }
-};
-
-AudioEngine.prototype.clearEffects = function() {
-    this.delay.wet.value = 0;
-    this._setPitchShift(0);
-    this.panner.pan.value = 0;
-    this.reverb.wet.value = 0;
-};
-
-AudioEngine.prototype.loadSoundFromUrl = function(url) {
-
-};
-
-AudioEngine.prototype._loadSoundFiles = function(filenames) {
-    var samplers = [];
-    
-    for (var name of filenames) {
-        var sampler = new Tone.Sampler('sounds/' + name + '.mp3').toMaster();
-        samplers.push(sampler);
-    }
-
-    return samplers;
-};
-
-AudioEngine.prototype._midiToFreq = function(midiNote) {
-	var freq = this.tone.intervalToFrequencyRatio(midiNote - 60) * 261.63; // 60 is C4
-	return freq;
-};
-
-AudioEngine.prototype._clamp = function(input, min, max) {
-    return Math.min(Math.max(input, min), max);
-};
-

playground/index.html

@@ -69,10 +69,6 @@
     <script src="./vm.js"></script>
     <!-- Playground -->
     <script src="./playground.js"></script>
-    <!-- Audio -->
-    <script src="./AudioEngine.js"></script>
-    <script src="./Tone.min.js"></script>
-    <script src="./soundfont-player.min.js"></script>
     <script>
         function toXml() {
             var output = document.getElementById('importExport');

playground/playground.js

@@ -37,9 +37,6 @@ window.onload = function() {
     window.renderer = renderer;
     vm.attachRenderer(renderer);
 
-    // Instantiate audio engine
-    window.audioEngine = new window.AudioEngine();
-
     // Instantiate scratch-blocks and attach it to the DOM.
     var workspace = window.Blockly.inject('blocks', {
         media: './media/',