Sound ball

var osc;

var types = ['sine', 'triangle', 'square', 'sawtooth'];

var t = 0;

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(100);

  osc = new p5.Oscillator();

  osc.start();

​

}

​

function draw() {

  ellipse(mouseX, mouseY, 20, 20);

  var f = mouseX/width*1000.;

  var a = mouseY/height;

  osc.freq(f);

  osc.amp(a);

}

​

function keyTyped() {

  t = (t+1)%types.length;

  osc.setType(types[t]);

}