JS Webcam Canvas Shine Bright Like A Diamond Effect V1

<style>
  body{
    filter:invert(100%);
  }
  body{
    filter:brightness:(599);
  }
</style>
<canvas id="canvas" width='1000' height='1000'></canvas>

<body bgcolor="black" onload="setInterval(drawe(),33);" onmousedown="drawe" onchange="drawe" ondoubleclick="drawe;">
<video id="video" autoplay hidden>
</video>
<canvas id="canvas" width="1000" height="1000"style="brightness:100;fillColor:none;">
<script>
var ii=1;

var video = document.getElementById("video");
var c = document.getElementById("canvas");
var ctx = c.getContext("2d");
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
var video = document.getElementById('video');
var mediaConfig = { video: true,audio:false};
function drawe(){
}
navigator.mediaDevices.getUserMedia(mediaConfig).then(function(stream) {
video.src = this.window.URL.createObjectURL(stream);
video.play();
  ii+=50;
video.addEventListener("play", function() {i = window.setInterval(function() {
canvas.style.opacity=1.0
ctx.drawImage(video,ii+=+1,ii+=1,Math.random()*444,Math.random()*444)},144);
 ctx.rotate(Math.random()*2/2)
ctx.draw();
drawe();
}, false);
});
</script>