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Apr 19th, 2014
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  1. <body>
  2. <canvas id="c" width=640 height=640 style="background:black">
  3. </canvas>
  4. <script>
  5. //Variables to change
  6. var d = 100;
  7. var e = 640;
  8. var f = e/2;
  9.  
  10. var a = document.getElementById('c');
  11. var b = a.getContext('2d');
  12. var c=0;
  13. function l() {
  14. // Clear the canvas
  15. a.width = a.width;
  16. c++;
  17. for (var i=0; i<d; i++) {
  18. var h = ((c+i)%d)/(d*0.7);
  19. var j = Math.sin(i+i*i);
  20. var k = Math.cos(i+i*i);
  21. var g = ((h*200)+20)>>0;
  22. //context.fillStyle = "rgb(" + ((range*200)+50) + "," + ((range*200)+50) + "," + ((range*200)+50) + ")";
  23. //context.fillStyle = "rgb(255,255,255)";
  24. b.fillStyle = "rgb("+g+","+g+","+g+")";
  25. b.fillRect(f+(j*f*h), f+(k*f*h), 1, 1);
  26. }
  27. }
  28. window.setInterval(l, 50);
  29. </script>
  30. </body>
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