let playing = true;

​

​

function setup() {

  createCanvas(400, 400);

  // Create webcam capture object

  cam = createCapture(VIDEO);

  cam.hide();

}

​

function draw() {

  background(220);

  // Flip it

  push();

  translate(width,0);

  scale(-1,1);

  image(cam,0,0);

  pop();

​

}

​

// Toggle playback

function mousePressed() {

  if (playing) cam.pause();

  else cam.play();

  playing = !playing;

}