​

function preload() {

  sample[0] = loadSound('./se01.wav');

  sample[1] = loadSound('./se02.wav');

  sample[2] = loadSound('./se03.wav');

  sample[3] = loadSound('./se04.wav');

}

​

function setup() {

  createCanvas(windowWidth, windowHeight);

}

​

function draw() {

  background(0);

}

​

function keyPressed() {

  if (key == 'a') {

    sample[0].play();

  } else if (key == 's') {

    sample[1].play();

  } else if (key == 'd') {

    sample[2].play();

  } else if (key == 'f') {

    sample[3].play();

  }

}