Synth Keyboard - OpenProcessing

mySketch
Key
Inputs
xxxxxxxxxx
 
let flip = 0;
let keys = [];
let note = -1;
let tune;
let lastStamp = 0;
let interval = 140;
let ang, avel;
let root = 24;
let paused = true;
let ctype = 0;
let chords = [ [4,7,12], [3,7,12],[3,6,12],[4,7,11],[3,7,10],[4,7,10],[2,7,12],[4,8,12] ];
let cTypes = ['Major','Minor','Diminished','Major Seventh','Minor Seventh','Dominant Seventh','Suspended','Augmented'];
let otype = 0;
let oTypes = ['Triangle', 'Square', 'Sine', 'Sawtooth'];
let pLight = -300;
let sliderA, sliderD, sliderS, sliderR;
let buttonO, buttonC, buttonS; 
​
function preload(){
  tune=loadStrings('CPrelude.txt');
}
​
function setup() {
  createCanvas(1112, 834, WEBGL);
  ang = createVector(0,0,0);
  avel = createVector(1.2,0,0);
  makeInputs();
  makeKeys();
  startOscillators('triangle');
}
​
function makeKeys(){
  let shapes=[0,1,2,0,1,1,2]
  let id=36;
  for(i=0; i<35; i++){
    let x = (-17.5*30)+i*30;
    let posw = createVector(x,0,-100);
    let posb = createVector(x+15,-9,-100);
    let shape = shapes[i%shapes.length];
    keys.push(new Key(posw, shape, id));
    if(shape==0 || shape==1){
      id++;
      keys.push(new Key(posb, 3, id));  
    }
    id++;
  } 
}
​
function startOscillators(otype){
  for(let k of keys){
    k.start(otype);
  }
}
​
​
function draw() {
  orbitControl(); 
  if (flip == 1){
    scale(1, -1);
    pLight = 600;
  }
  setScene();
  for(let k of keys){
    if(k.counter<50) k.move();
    k.show();
  }
  if(!paused) autoPlay();
  if(paused) checkArrows();
  checkWASD();
}
​
function setScene(){
  background(20);
  ambientLight(120);
  pointLight(80,80,80,0,pLight,0);
  rotateX(ang.x);
  rotateY(ang.y);
  rotateZ(ang.z);
  ang.add(avel);
  avel.mult(0.9);
}
​
function autoPlay(){
  if (millis() - lastStamp > interval) {   
    lastStamp = millis();
    keys[tune[note]-24].sound();
    note+=1;
    if(tune.length-note < 24) interval*=1.05;
  }
  if(note==tune.length) {
    sliderD.value(2);
    keys[12].sound();
    keys[12+chords[0][0]].sound();
    keys[12+chords[0][1]].sound();
    keys[12+chords[0][2]].sound();
    keys[24+chords[0][0]].sound();
    keys[24+chords[0][1]].sound();
    keys[24+chords[0][2]].sound();
    paused = true; 
    note = -1;
    interval = 120;
  }
}
​
function saver(){
  save('pix.jpg');
}
​
function keyPressed(){
  if(keyCode==DOWN_ARROW && paused){
     if(root>47) root=47;
     keys[root].sound();
     keys[root+chords[ctype][0]].sound();
     keys[root+chords[ctype][1]].sound();
     keys[root+chords[ctype][2]].sound();
  }
  if(keyCode==UP_ARROW && paused){
     keys[root].sound();
  }
}
​
function checkWASD(){
  if(keyIsDown(68)) avel.y-=0.01;
  if(keyIsDown(65)) avel.y+=0.01;
  if(keyIsDown(83)) avel.x-=0.01;
  if(keyIsDown(87)) avel.x+=0.01;
}
function checkArrows(){
  if(keyIsDown(RIGHT_ARROW) && root<59 && frameCount%3==0){
     root+=1;
     keys[root].sound();
  }
  if(keyIsDown(LEFT_ARROW) && root>0  && frameCount%3==0){
     root-=1;
     keys[root].sound();
  }
}