JS Canvas Webcam FLIR Light My Way FX SRC

<style>
  canvas{
    filter:invert(180%);
  }
</style>
<body bgcolor="black" onmousemove="drawe();" onmousedown="drawe" onchange="drawe" ondoubkeclick="drawe;">
<video id="video" autoplay hidden>
</video>
<canvas id="canvas" onchange="drawe;" topmost=false onchange="drawe;" width="1000" height="1000" style="opacity:1.0;fillColor:none; width:500px">
<script>
var i=0;
var video = document.getElementById("video");
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
var video = document.getElementById('video');
var mediaConfig = { video: true,audio:false};
navigator.mediaDevices.getUserMedia(mediaConfig).then(function(stream) {
video.src = this.window.URL.createObjectURL(stream);
video.play();
video.addEventListener("play", function() {i = window.setInterval(function() {
ctx.shadowBlur = i;
  ctx.shadowOffsetX=i;
ctx.shadowOffsetY=i
  var rantColor=Math.floor(Math.random()*3);

ctx.shadowColor = "black";

ctx.drawImage(video,i,i++,i,i)},100);
ctx.draw();
},true);
});

</script>
</body>
</html>