let cltracker;

​

function setup() {

  createCanvas(320, 240);

​

  capture = createCapture(VIDEO);

  capture.size(320, 240);

  capture.hide();

  ctracker = new clm.tracker();

  ctracker.init();

  ctracker.start(capture.elt);

}

​

function draw() {

  background(220);

  image(capture, 0, 0);

​

  var positions = ctracker.getCurrentPosition();

  if (positions) {

    positions.forEach(pos => {

      noStroke();

      circle(pos[0], pos[1], 3);

    });

  }

}