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

   1 <html>
   2   <head>
   3     <title>Box by trianglefan</title>
   4     <script type="text/javascript" src="nt3d.js"></script>
   5     <script type="text/javascript">
   6       function box_by_trianglefan(size_as_string) {
   7         var size = parseFloat(size_as_string);
   8         var origin = [0,    0,    0   ];
   9         var x      = [size, 0,    0   ];
  10         var y      = [0,    size, 0   ];
  11         var z      = [0,    0,    size];
  12         var xy     = [size, size, 0   ];
  13         var xz     = [size, 0,    size];
  14         var yz     = [0,    size, size];
  15         var xyz    = [size, size, size];
  16         return [].concat(
  17           nt3d.trianglefan([origin, x, xz, z, yz, y, xy, x]),
  18           nt3d.trianglefan([xyz, yz, z, xz, x, xy, y, yz]));
  19       }
  20       var params = [["Size", 1]];
  21     </script>
  22   </head>
  23   <body onload="nt3d.framework(box_by_trianglefan, params)">
  24     <h1>Box by trianglefan</h1>
  25     <p>Make a box with two triangle fans from opposite corners.</p>
  26   </body>
  27 </html>