101 lines
2.4 KiB
JavaScript
101 lines
2.4 KiB
JavaScript
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/**
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* Copyright 2016 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import Piano from 'Piano/src/Piano'
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import Tone from 'Tone/core/Tone'
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import PolySynth from 'Tone/instrument/PolySynth'
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import Frequency from 'Tone/type/Frequency'
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import MonoSynth from 'Tone/instrument/MonoSynth'
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class Sound {
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constructor(){
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this._range = [36, 108]
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/**
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* The piano audio
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* @type {Piano}
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*/
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this._piano = new Piano(this._range, 1, false).toMaster().setVolume('release', -Infinity)
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/**
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* The piano audio
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* @type {Piano}
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*/
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this._aipiano = new Piano(this._range, 1, false).toMaster().setVolume('release', -Infinity)
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this._synth = new PolySynth(8, MonoSynth).toMaster()
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this._synth.set({
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oscillator : {
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type : 'pwm',
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modulationFrequency : 3
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},
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envelope : {
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attackCurve : 'linear',
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attack : 0.05,
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decay : 0.3,
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sustain : 0.8,
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release : 3,
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},
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filter : {
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type : 'lowpass'
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},
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filterEnvelope : {
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baseFrequency : 800,
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octaves : 1,
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attack : 0.3,
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decay : 0.1,
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sustain : 1,
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release : 3,
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}
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})
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this._synth.volume.value = -36
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window.synth = this._synth
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}
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load(){
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const salamanderPath = 'audio/Salamander/'
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return Promise.all([this._piano.load(salamanderPath), this._aipiano.load(salamanderPath)])
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}
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keyDown(note, time=Tone.now(), ai=false){
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if (note >= this._range[0] && note <= this._range[1]){
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if (ai){
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this._aipiano.keyDown(note, 1, time)
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this._synth.triggerAttack(Frequency(note, 'midi').toNote(), time)
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} else {
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this._piano.keyDown(note, 1, time)
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}
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}
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}
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keyUp(note, time=Tone.now(), ai=false){
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if (note >= this._range[0] && note <= this._range[1]){
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if (ai){
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this._aipiano.keyUp(note, time)
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this._synth.triggerRelease(Frequency(note, 'midi').toNote(), time)
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} else {
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this._piano.keyUp(note, time)
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}
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}
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}
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}
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export {Sound}
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