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October 9, 2015 08:12
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Lenticular
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| <!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> |
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| body { | |
| padding: 0; | |
| margin: 0; | |
| width: 100%; | |
| height: 100%; | |
| } | |
| canvas { | |
| width: 100%; | |
| height: 100%; | |
| } |
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| function getPattern(t, amp) { | |
| var width = 8, | |
| height = 8; | |
| var pattern = document.createElement('canvas'); | |
| var ctx = pattern.getContext('2d'); | |
| pattern.setAttribute('width', width); | |
| pattern.setAttribute('height', height); | |
| var fraction = 2*Math.sin(t) + 5 + amp; | |
| ctx.fillRect(0,0,width/fraction,height); | |
| return pattern; | |
| } | |
| function render(t, ctx) { | |
| ctx.clearRect(0,0,innerWidth,innerHeight); | |
| ctx.fillStyle = ctx.createPattern(getPattern(t/500, 0), "repeat"); | |
| ctx.fillRect(0,0,innerWidth,innerHeight); | |
| ctx.fillStyle = ctx.createPattern(getPattern(t/500 + Math.PI/2, -1.2), "repeat"); | |
| ctx.fillText("Steph", t/30 % innerWidth, innerHeight*.25); | |
| ctx.fillStyle = ctx.createPattern(getPattern(t/1000 + Math.PI/2, -1), "repeat"); | |
| ctx.fillText("Tracy", innerWidth - (t/20 % innerWidth), innerHeight*.50); | |
| ctx.fillStyle = ctx.createPattern(getPattern(0, -1), "repeat"); | |
| ctx.fillText("Toph", t/10 % innerWidth, innerHeight*.75); | |
| } | |
| 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(); |
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