​

function setup() {

  capture = createCapture({

    audio: false,

    video: {

      width: 400,

      height: 400

    }

  });

  capture.hide();

  createCanvas(400, 400);

  tracker = new clm.tracker();

  tracker.init()

  tracker.start(capture.elt);

}

function draw() {

  imageMode(CORNER);

  image(capture, 0, 0, 400, 400);

  strokeWeight(5);

  let positions = tracker.getCurrentPosition();

  print(positions.length);

  for (let i=0; i<positions.length; i++) {

    let position = positions[i];

    point(position[0], position[1]);

  }

}