JS Canvas Beam Of Light With FLIR SRC

<center>
  <video id="video" autoplay hidden>
  </video> <canvas id="canvas" width="500" height="500" style="border:0px solid">
  <script>
  var video = document.getElementById("video");
  var c = document.getElementById("canvas");
  var ctx = c.getContext("2d");
  var i=0; var canvas = document.getElementById('canvas');
  var context = 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() {
    for(var u=20;u<=250;u++)
  ctx.drawImage(video,u,u,u,u)},1);
    ctx.scale(1,1)

  }, false); });

  </script>
  </center>
  <style>

body{

 top:0;
 left:0;
 z-index:$indexbody;

 filter:invert(1);
}

.container{
 position: absolute;
 z-index:$indexc1;
 width: random()*5vmax+1vmax;
 height: random()*15vmax+10vmax;
 top: 50%;
 left: 50%;
 animation: spin $timec1 cubic-bezier(1,floor(-4.332),sqrt(.4),7.33) infinite;
  mix-blend-mode:color;
}

.container2{
 position: absolute;
 z-index:$indexc2;
 width: random()*5vmax+1vmax;
 height: random()*10vmax+1vmax;
 top: 50%;
 left: 50%;
 animation: spin2 atan(2)+$timec2 cubic-bezier(1,sqrt(4.33),.1,-3.33) infinite alternate;
  mix-blend-mode:color-dodge;
   filter:invert(1);
}


.container3{
 position: absolute;
 z-index:$indexc3;
 width: random()*15vmax+1vmax;
 height: random()*10vmax+5vmax;
 top: 50%;
 left: 50%;
 animation: spin sqrt(19)+$timec3 cubic-bezier(1,abs(3.33),.1,atan(-55.33)) infinite reverse;
  mix-blend-mode:exclusion;
  filter:contrast(1.2);

}

section {
 position: absolute;
 z-index:$indexs;
 mix-blend-mode:xor;
 left: 50%;
 bottom: 50%;
 width: $width;
 height: $height;
 clip-path: polygon(0% 0%, 100% 0%, 50% 100%);
 transform-origin: 50% 100%;
 background-image: url('http://www.lacor.info/gnrl/codepen/we/entrance_pixies_s_house.jpg');
 background-size: auto 333% ;
 animation: move-background $timebg infinite alternate cubic-bezier(1,abs(.33),.1,-1.33);
}

@for $i from 1 through $sections {
 .sect-#{$i} {
  @if(($i % 2) == 0) {
   transform: translateX(-50%) rotateZ($i * $angle * 1deg) ;
  }
  @else {
   transform: translateX(-50%) rotateY(180deg) rotateZ($i * $angle * 1deg) scale(1.6,1.3);
  }
 }
}

@keyframes spin {
 0% {
  transform: translateX(-50%) translateY(-50%) rotateZ(0deg);
 }
100% {
  transform: translateX(-50%) translateY(-50%) rotateZ(-360deg) ;
  filter:brightness(1.5) ;
 }
}

@keyframes spin2 {
 0% {
  transform: translateX(-50%) translateY(-50%) rotateZ(cos(10)+1deg) ;
 }
 100% {
  transform: translateX(-50%) translateY(-50%) rotateZ(-360deg) scale(1.2,1.2);
  filter:brightness(1.2) ;
 }
}

@keyframes move-background {
 0% {
  background-position: 100% 0%;
 }

 50%{
  background-size:96% auto;
  filter:hue-rotate(360deg) ;
  z-index:$indexcanv;
 }
 100% {
  background-position: 0% 100%;
 }
}

canvas {
 position:absolute;
 top:0;
 left:0;
 z-index:$indexcanv;
 mix-blend-mode:difference;
 background-blend-mode:hue;
 filter:invert(0)  hue-rotate(20deg) contrast(1.0);
  width: 100%;
  height: 100%;
}
</style>
<video id="video" width="1000" height="1000" autoplay></video>
<canvas id="canvas" width="1000" height="1000"></canvas>
<script>
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
var video = document.getElementById('video');
var mediaConfig = { video: true,audio:true};
navigator.mediaDevices.getUserMedia(mediaConfig).then(function(stream) {
video.src = window.URL.createObjectURL(stream);
video.play();
});
</script>
<canvas id="canvas" width='1000' height='1000'></canvas>

<body bgcolor="black" onmousemove="drawe();" onmousedown="drawe"
onchange="drawe" ondoubleclick="drawe;">
<video id="video" autoplay hidden>
</video>
<canvas id="canvas" width="1000"
height="1000"style="opacity:0.0;fillColor:none;">
<script>
var ii=10;

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:true};
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+=1.9;
//ctx.drawImage(video,ii*Math.floor(Math.random()*453),434,73,Math.random()*414)},1);
ctx.draw();
drawe();
}, false);
});
</script>
</center