git.scottworley.com Git - nt3d/blob - torus_by_extrude.html

   1 <html>
   2   <head>
   3     <title>Torus by extrude</title>
   4     <script type="text/javascript" src="nt3d.js"></script>
   5     <script type="text/javascript">
   6       function torus_by_extrude(torus_radius, cross_section_radius, long_steps, short_steps) {
   7         var path = nt3d.circle(torus_radius, long_steps);
   8         return nt3d.closed_extrude(
   9           path,
  10           nt3d.circle(cross_section_radius, short_steps),
  11           nt3d.rotate_about_origin(path, [0,0,1], Math.PI/2),
  12           [0, 0, 1]);
  13       }
  14       var params = [["Torus radus", 100],
  15                     ["Cross section radius", 40],
  16                     ["Steps around the long way", 50],
  17                     ["Steps around the short way", 16]];
  18     </script>
  19   </head>
  20   <body onload="nt3d.framework(torus_by_extrude, params)">
  21     <h1>Torus by extrude</h1>
  22     <p>Make a torus by extruding a circle.</p>
  23   </body>
  24 </html>