canvas lines connect dottes

by Osama Qassar

HTML

<h1>OSAMA QASSAR</h1>
<h2>
<a href="#">OSAMA QASSAR</a>
</h2>

<canvas id="bgDots"></canvas>


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CSS

@import url(https://fonts.googleapis.com/css?family=Merriweather:700);
body, html {
  padding: 0;
  margin: 0;
  background:#ccc;
}

h1 {
  font-size: 4em;
  font-weight: 700;
  text-align: center;
}
canvas{
  z-index:999;
  position:absolute;
  left:0;
  top:0;
}
canvas, canvas *, canvas:hover{
	pointer-events:none
}

JavaScript

function documentHeight() {
    return Math.max(
        document.documentElement.clientHeight,
        document.body.scrollHeight,
        document.documentElement.scrollHeight,
        document.body.offsetHeight,
        document.documentElement.offsetHeight
    );
}
function documentWidth() {
    return Math.max(
        document.documentElement.clientWidth,
        document.body.scrollWidth,
        document.documentElement.scrollWidth,
        document.body.offsetWidth,
        document.documentElement.offsetWidth
    );
}

/*window.onload = function(){
	document.getElementById('#bgDots').style.height = documentHeight()+"px";
}*/
var canvas = document.getElementById('bgDots');
canvas.width = documentWidth()//window.innerWidth;
canvas.height = documentHeight()//window.innerHeight;
var ctx = canvas.getContext("2d");

var TAU = 2 * Math.PI;
var movSpeed = 50000;

var lineColor = "#eee";
var lineSize = 10
var linesDensity = 90;

var dotColor = "#000";
var dotAlpha = 0.1;
var dotSize = 3;

var bgAlpha = 0;
var bgColor = "#ccc";


times = [];
function loop() {
  ctx.clearRect(0, 0, canvas.width, canvas.height);
  update();
  draw();
  requestAnimationFrame(loop);
}

function Ball (startX, startY, startVelX, startVelY) {
  this.x = startX || Math.random() * canvas.width;
  this.y = startY || Math.random() * canvas.height;
  this.vel = {
    x: startVelX || Math.random() * 2 - 1,
    y: startVelY || Math.random() * 2 - 1
  };
  this.update = function(canvas) {
    if (this.x > canvas.width + 50 || this.x < -50) {
      this.vel.x = -this.vel.x;
    }
    if (this.y > canvas.height + 50 || this.y < -50) {
      this.vel.y = -this.vel.y;
    }
    this.x += this.vel.x;
    this.y += this.vel.y;
  };
  this.draw = function(ctx, can) {
    ctx.beginPath();
    ctx.globalAlpha = dotAlpha;
    ctx.fillStyle = dotColor;
    ctx.arc((0.5 + this.x) | 0, (0.5 + this.y) | 0, dotSize, 0, TAU, false);
    ctx.fill();
		
  }
}

var balls = [];
for (var i = 0; i < canvas.width *...