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CSS Base

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Add External Stylesheets/Pens

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We can make npm packages available for you to use in your JavaScript. We use webpack to prepare them and make them available to import. We'll also process your JavaScript with Babel.

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HTML Settings

Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

              <canvas id="canvas" width="400" height="300"></canvas>
<video id="webcam" width="400" height="300" preload="auto" loop=""></video>
<input class="btn" type="button" value="wait, loading video" disabled="disabled" onclick="startVideo()" id="startbutton">

              #webcam {
  background-color: #666;
#canvas {
  position: absolute;
#startbutton {
  display: block;
  font-size: 50px;
 * https://github.com/auduno/clmtrackr
 * a simplified version of their example: https://auduno.github.io/clmtrackr/clm_video.html

var vid = document.getElementById('webcam');
var overlay = document.getElementById('canvas');
var overlayCC = overlay.getContext('2d');

var ctrack = new clm.tracker({
  useWebGL: true

function enablestart() {
  var startbutton = document.getElementById('startbutton');
  startbutton.value = "start";
  startbutton.disabled = null;

// // check for camerasupport
if (navigator.getUserMedia) {
  // set up stream
  var videoSelector = {
    video: true
  if (window.navigator.appVersion.match(/Chrome\/(.*?) /)) {
    var chromeVersion = parseInt(window.navigator.appVersion.match(/Chrome\/(\d+)\./)[1], 10);
    if (chromeVersion < 20) {
      videoSelector = "video";

  navigator.getUserMedia(videoSelector, function(stream) {
    if (vid.mozCaptureStream) {
      vid.mozSrcObject = stream;
    } else {
      vid.src = (window.URL && window.URL.createObjectURL(stream)) || stream;
  }, function() {

    console.log("There was some problem trying to fetch video from your webcam, using a fallback video instead.");
} else {
  console.log("Your browser does not seem to support getUserMedia, using a fallback video instead.");

vid.addEventListener('canplay', enablestart, false);

function startVideo() {
  // start video
  // start tracking
  // start loop to draw face

function drawLoop() {
  overlayCC.clearRect(0, 0, 400, 300);

  if (ctrack.getCurrentPosition()) {
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