Retro Drum Machine

var kick;//drum kick

var snare;//drum snare

var hh;//drum hh

​

function setup() {

  createCanvas(windowWidth,windowHeight);

  background(0);

    kit = loadSound ("bassdrum.mp3",keyTyped);

    snare = loadSound ("snare.mp3", keyTyped);

    hh = loadSound ("highhat.mp3", keyTyped);

  analyzer1 = new p5.Amplitude();

  analyzer1.setInput(kit);

  analyzer2 = new p5.Amplitude();

  analyzer2.setInput(snare);

  analyzer3 = new p5.Amplitude();

  analyzer3.setInput(hh);

}

​

function keyTyped(){

  if (key === 'a') {

        kit.play();

}

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

      snare.play();

}

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

      hh.play();

}

}

​

function draw() {

  //background(0);

  var kitAmp = (analyzer1.getLevel())*25;

​

  var snareAmp= (analyzer2.getLevel())*25;

​

  var hhAmp= (analyzer3.getLevel())*25;

​

  noStroke();

  fill(random(255),random(255),random(255));

  ellipse(mouseX,mouseY, 100, 100*kitAmp);

  fill(random(255),random(255),random(255));

  ellipse(mouseX,mouseY, 100*snareAmp, 100);

  fill(random(255),random(255),random(255));

  ellipse(mouseX,mouseY, 100*hhAmp, 100*hhAmp);

​

}