let notes = ['C', 'C#','D','Eb','E','F','F#','G','G#','A','Bb','B','C',];

let keys=['a','w','s','e','d','f','t','g','y','h','u','j','k',];

let octave;

function setup() {

  createCanvas(400, 400);

  //console.log(Tone);

  octave=3;

  synth= new Tone.MonoSynth({

    "portamento": 0.4,

    "oscillator": {

        "partials": [1, 2, 3, 2, 1]

    },

  "detune":-30,

    "filter": {

        "Q": 4,

        "type": "lowpass",

        "rolloff": -24

    },

    "envelope": {

        "attack": 0.01,

        "decay": 0.3,

        "sustain": 0.5,

        "release": 2

    },

    "filterEnvelope": {

        "attack": 0.05,

      "attackCurve":"sine",

        "decay": 0.1,

        "sustain": 0.2,

        "release": 2,

      "releaseCurve":"ripple",

        "baseFrequency": 400,

        "octaves": 1

    }

}).toDestination();

}

​

function draw() {

  background(220);

}

​

​

​

function keyPressed(){

  for(let i=0;i<12;i++){ // controls assigning keys from c to b

if(key==keys[i]){

synth.triggerAttackRelease(notes[i]+octave.toString(), 0.1); 

//sampler.triggerAttackRelease(notes[i]+octave.toString(), "8n"); 

​

}

}

if(key==keys[12]){ // controls the assigning keys for c from next octave 

let high_c=octave+1;

synth.triggerAttackRelease(notes[12]+(octave+1).toString(), "8n");

//sampler.triggerAttackRelease(notes[i]+octave.toString(), "8n");   

​

}

​

// control octave with up and down keys

if(keyCode== UP_ARROW){octave+=1; }

if(keyCode== DOWN_ARROW){octave-=1;}

}

​

​

function keyReleased(){

  for(let i=0;i<13;i++){

​

}

​

}

​

​

​

// {

//      "oscillator": {

//         "type": "sawtooth2"

//     },

//     "filter": {

//         "Q": 3,

//         "type": "highpass",

//         "rolloff": -48

//         "detune":-200;

//     },

//     "envelope": {

//         "attack": 0.2,

//         "decay": 0.02,

//         "sustain": 0.5,

//         "release": 0.3

//     },

//     "filterEnvelope": {

//         "attack": 0.1,

//         "decay": 0.02,

//         "sustain": 0.5,

//         "release": 0.1,

//        "baseFrequency": 200,

//         "octaves":0

//     }

// }