How to use the tone.Midi function in tone
To help you get started, we’ve selected a few tone examples, based on popular ways it is used in public projects.
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stc / HackPact / Day-05-Markov-Chain / src / index.js View on Github 
p.keyPressed = () => {
if(p.key == 'm') {
p.save(Date.now() + ".jpg");
}
cRandZ = p.random(-200,200);
cRandX = p.random(-200,200);
let keyIndex = keyOrder.indexOf(p.key);
// Check if valid note key pressed
if (keyIndex >= 0) {
// Play synth
let midiNoteNumber = notes[keyIndex]; // 0-127; 60 is Middle C (C4)
fm.triggerAttackRelease(Tone.Midi(midiNoteNumber).toFrequency(), "64n");
feedbackDelay.delayTime.value = p.random(10)/1000;
triggerAlpha = 200;
// Update time
var timeSincePrevEvent = p.min(p.millis() - prevEventMillis, maxDuration);
prevEventMillis = p.millis();
var quantizedTimeSincePrevEvent = p.round(timeSincePrevEvent / timeQuantizationStep) * timeQuantizationStep;
// Register node
graph.registerNewNode(1, midiNoteNumber, quantizedTimeSincePrevEvent);
// Activate key state
keyStates[keyIndex] = 1;
}
}drawNote(note, context, width, height){
context.textAlign='right'
context.textBaseline='bottom'
const y = height - scaleMidi(Midi(note).toMidi()) * height
context.fillStyle = 'white'
context.fillText(note, width - this.padding - this.dashLen, y)
// context.fillRect(width - this.padding - this.dashLen, y, this.dashLen, this.lineWidth)
//fill a faint line all the way across
context.fillStyle = 'rgba(255, 255, 255, 0.1)'
context.fillRect(this.padding, y, width - this.padding*2, this.lineWidth)
}
}this.m2 = 10;
this.a1 = 0;
this.a2 = 0;
this.a1_v = 0;
this.a2_v = 0;
this.g = param;
this.px2 = -1;
this.py2 = -1;
this.cx = x;
this.cy = y;
this.cz = z;
this.id = id;
this.init();
this.vol = new Tone.Volume(-500);
this.osc = new Tone.Oscillator(Tone.Midi(id + 66).toFrequency(), "sine").chain(this.vol, Tone.Master).start();
}
init() {p.frameRate(30);
g = p.createVector(0, .2);
parts = [];
p.smooth();
}
let obj1Param = [p.random(-200, -100), p.random(-300,-100), 3, p.random(100,300)];
let obj2Param = [p.random(-50, 150), p.random(-100,200), 3, p.random(100,300)];
let obj3Param = [p.random(0, 100), p.random(0,-200), 10, p.random(80,120)];
var chorus = new Tone.Chorus(0.8, 2.5, 0.2).toMaster();
let v1 = new Tone.Volume(-100).connect(chorus);
let f1 = new Tone.Filter(300, "highpass");
let mosc1 = new Tone.Oscillator(Tone.Midi(40).toFrequency(), "sine").chain(f1, v1).start();
let v2 = new Tone.Volume(-100).connect(chorus);
let f2 = new Tone.Filter(400, "highpass");
let mosc2 = new Tone.Oscillator(Tone.Midi(47).toFrequency(), "sine").chain(f2, v2).start();
let v3 = new Tone.Volume(-100).connect(chorus);
let f3 = new Tone.Filter(500, "highpass");
let mosc3 = new Tone.Oscillator(Tone.Midi(52).toFrequency(), "sine").chain(f3, v3).start();
let v4 = new Tone.Volume(-100).connect(chorus);
let f4 = new Tone.Filter(600, "highpass");
let mosc4 = new Tone.Oscillator(Tone.Midi(59).toFrequency(), "sine").chain(f4, v4).start();
p.draw = () => {
//p.camera(p.mouseX, 0, 400, 0, 0, 0, 0, 1, 0);
p.background(0);}
}).connect(chorus);
autoFilter.start()
let v1 = new Tone.Volume(-100).connect(autoFilter);
let f1 = new Tone.Filter(300, "highpass");
let mosc1 = new Tone.Oscillator(Tone.Midi(53).toFrequency(), "sine").chain(f1, v1).start();
let v2 = new Tone.Volume(-100).connect(autoFilter);
let f2 = new Tone.Filter(400, "highpass");
let mosc2 = new Tone.Oscillator(Tone.Midi(60).toFrequency(), "sine").chain(f2, v2).start();
let v3 = new Tone.Volume(-100).connect(autoFilter);
let f3 = new Tone.Filter(500, "highpass");
let mosc3 = new Tone.Oscillator(Tone.Midi(65).toFrequency(), "sine").chain(f3, v3).start();
let v4 = new Tone.Volume(-100).connect(autoFilter);
let f4 = new Tone.Filter(600, "highpass");
let mosc4 = new Tone.Oscillator(Tone.Midi(79).toFrequency(), "sine").chain(f4, v4).start();
let wiresynths = [];
let wireMelody = [53, 56, 60, 65, 68, 69, 74 , 77];
for(let i=0; i< 8; i++) {
wiresynths.push (new Tone.FMSynth({
"harmonicity": 28,
"modulationIndex": 2,
"detune": 0,
"oscillator": {
"type": "sawtooth"
},
"envelope": {p.push();
//p.translate( p.sin( step * i + this.counter) * this.r, p.cos( step * i + this.counter) * this.r, 0 );
p.translate( p.sin( step * i - p.millis() / (this.sequence.length * 100.0))* this.r, p.cos( step * i - p.millis() / (this.sequence.length * 100.0))* this.r);
p.noStroke();
p.fill(255);
p.sphere(this.sphereSizes[i]);
if(this.sequence[i] == 0) {
//p.fill(255,100);
} else {
if( p.sin( step * i - p.millis() / (this.sequence.length * 100.0)) > 0 ) {
if( this.triggers[i]==false) {
this.colors[i] = 255;
this.sphereSizes[i] = 8;
synths[this.id].envelope.sustain = p.random(2) + 0.01;
synths[this.id].envelope.release = p.random(2) + 0.02;
synths[this.id].triggerAttackRelease(Tone.Midi(notes[this.id]).toFrequency(), "32n");
}
this.triggers[i] = true;
} else {
this.triggers[i] = false;
}
p.fill(this.colors[i],0,0,200);
}
p.sphere(this.sphereSizes[i]);
p.pop();
this.colors[i] -= 4;
if(this.sphereSizes[i] > 2)this.sphereSizes[i] -= 1;
}
p.pop();
this.counter += this.speed;
}
}let rnd = p.random(2);
if(rnd > 0.5) {
alpha = 255;
piano.triggerAttackRelease(Tone.Midi(melody[p.ceil(val1*42)] + 6).toFrequency(),"132n");
piano.triggerAttackRelease(Tone.Midi(melody[p.ceil(val2*42)] + 6).toFrequency(),"132n");
}
}
ptick = tick;
let tick2 = p.floor(p.millis()/400);
if(ptick2!=tick2) {
let rnd = p.random(2);
if(rnd > 0.6) {
alpha = 255;
piano.triggerAttackRelease(Tone.Midi(melody[p.ceil(val2*42)] + 6).toFrequency(),"64n");
//piano.triggerAttackRelease(Tone.Midi(p.floor(val2*100) + 30).toFrequency(),"128n");
}
}
ptick2 = tick2;
}
}"filter" : {
"type" : "highpass" ,
"rolloff" : -12 ,
"Q" : 1
}
}).connect(chorus);
autoFilter.start()
let v1 = new Tone.Volume(-100).connect(autoFilter);
let f1 = new Tone.Filter(300, "highpass");
let mosc1 = new Tone.Oscillator(Tone.Midi(53).toFrequency(), "sine").chain(f1, v1).start();
let v2 = new Tone.Volume(-100).connect(autoFilter);
let f2 = new Tone.Filter(400, "highpass");
let mosc2 = new Tone.Oscillator(Tone.Midi(60).toFrequency(), "sine").chain(f2, v2).start();
let v3 = new Tone.Volume(-100).connect(autoFilter);
let f3 = new Tone.Filter(500, "highpass");
let mosc3 = new Tone.Oscillator(Tone.Midi(65).toFrequency(), "sine").chain(f3, v3).start();
let v4 = new Tone.Volume(-100).connect(autoFilter);
let f4 = new Tone.Filter(600, "highpass");
let mosc4 = new Tone.Oscillator(Tone.Midi(79).toFrequency(), "sine").chain(f4, v4).start();
let wiresynths = [];
let wireMelody = [53, 56, 60, 65, 68, 69, 74 , 77];
for(let i=0; i< 8; i++) {
wiresynths.push (new Tone.FMSynth({
"harmonicity": 28,
"modulationIndex": 2,
"detune": 0,nextStep() {
this.ta = 255;
if(this.gates[this.index].state == 0) {
this.index = this.index + this.index + 1;
} else if(this.gates[this.index].state == 1) {
this.index = this.index + this.index + 2;
}
if(this.index > 14) {
this.gates = [];
this.addGates();
this.index= 0;
}
this.fm.triggerAttackRelease(Tone.Midi(notes[this.index]).toFrequency(), "16n");
}p.fill(255,0,0,colors[i]);
p.sphere(3);
p.pop();
p.push();
p.stroke(255,50);
p.noFill();
p.rotateY(p.PI/2);
p.translate(0,0,(i - 5) * 40);
p.ellipse(0, 0, (i+1) * 10 * 2, (i+1) * 10 * 2);
p.pop();
if(Math.sin(tempo)>0) {
if(triggers[i]==false) {
synths[i].triggerAttackRelease(Tone.Midi(i+1 + 60).toFrequency(), "8n");
colors[i] = 255;
}
triggers[i] = true;
} else {
triggers[i] = false;
}
colors[i] -= 4;
}
}
p.keyPressed = () => {tone
A Web Audio framework for making interactive music in the browser.
