git.scottworley.com Git - nt3d/blob - torus_by

1 <html>

2 <head>

3 <title>Torus by extrude</title>

     <script type="text/javascript" src="nt3d.js"></script>

5 <script type="text/javascript">

6 function torus_by_extrude(params) {

7 var path = nt3d.circle(params.torus_radius, params.long_steps);

8 path = nt3d.rotate_about_origin(path, [0,1,0], params.rotation * 2*Math.PI);

9 return nt3d.closed_extrude(

10 path,

11 nt3d.circle(params.cross_section_radius, params.short_steps),

12 nt3d.shapenormals_from_closed_path(path),

13 [0, 0, 1]);

14 }

15 var params = [["torus_radius", 100],

16 ["cross_section_radius", 40],

17 ["rotation", 0.001, "Rotation (in turns)"],

18 ["long_steps", 50, "Steps around the long way"],

19 ["short_steps", 16, "Steps around the short way"]];

20 </script>

21 </head>

22 <body onload="nt3d.framework(torus_by_extrude, params)">

23 <h1>Torus by extrude</h1>

24 <p>Make a torus by extruding a circle.</p>

25 </body>

26 </html>