Lenticular III by tophtucker

index.html

<!DOCTYPE html>
<html>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title></title>

<link rel="stylesheet" type="text/css" href="main.css"/>

<body>
    
</body>

<script src="//cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js" charset="utf-8"></script>
<script src="//cdn.rawgit.com/gka/d3-jetpack/master/d3-jetpack.js" charset="utf-8"></script>

<script src="main.js" charset="utf-8"></script>

</html>

main.css

body {
  padding: 0;
  margin: 0;
  width: 100%;
  height: 100%;
}

canvas {
  width: 100%;
  height: 100%;
}

main.js

function getPattern(bandWidth, offset) {
  var width = 8,
      height = 8;

  var pattern = document.createElement('canvas');
  var ctx = pattern.getContext('2d');
  pattern.setAttribute('width', width);
  pattern.setAttribute('height', height);

  ctx.fillRect(offset%width,0,bandWidth*width,height);
  ctx.fillRect((offset%width-width)%width,0,bandWidth*width,height);

  return pattern;
}

function render(t, ctx) {

  ctx.globalCompositeOperation = "source-over";

  ctx.clearRect(0,0,innerWidth,innerHeight);

  ctx.fillStyle = ctx.createPattern(getPattern(.1, t/100), "repeat");
  ctx.fillRect(0,0,innerWidth,innerHeight);

  ctx.font = "800 400px helvetica, arial, sans-serif";
  ctx.fillStyle = ctx.createPattern(getPattern(.3, t/100), "repeat");
  ctx.fillText("Steph", t/30 % innerWidth, innerHeight*.33);

  ctx.globalCompositeOperation = "xor";
  ctx.font = "800 350px helvetica, arial, sans-serif";
  ctx.fillStyle = ctx.createPattern(getPattern(.3, t/100), "repeat");
  ctx.fillText("Tracy", innerWidth - (t/20 % innerWidth), innerHeight*.5);

  ctx.globalCompositeOperation = "source-over";
  ctx.font = "800 175px helvetica, arial, sans-serif";
  ctx.fillStyle = ctx.createPattern(getPattern(.5, t/100), "repeat");
  ctx.fillText("Toph", t/10 % innerWidth, innerHeight*.67);

}

function init() {
  var canvas = document.createElement('canvas');
  var ctx = canvas.getContext('2d');
  canvas.setAttribute('width', innerWidth);
  canvas.setAttribute('height', innerHeight);

  // Add our demo to the HTML
  document.body.appendChild(canvas);

  ctx.font = "800 82px helvetica, arial, sans-serif";
  ctx.textBaseline = 'middle';
  ctx.textAlign = "center";

  d3.timer(function(t) { render(t, ctx); });
}

init();