projects / nt3d / blame
| Commit | Line | Data |
|---|---|---|
| fc382d22 SW |
1 | <html> |
| 2 | <head> | |
| 3 | <title>Torus by extrude</title> | |
| 4 | <script type="text/javascript" src="nt3d.js"></script> | |
| 5 | <script type="text/javascript"> | |
| 3bafa9bd SW |
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); | |
| 08c25ec8 SW |
9 | return nt3d.closed_extrude( |
| 10 | path, | |
| 3bafa9bd | 11 | nt3d.circle(params.cross_section_radius, params.short_steps), |
| 2d38f724 | 12 | nt3d.shapenormals_from_closed_path(path), |
| 08c25ec8 | 13 | [0, 0, 1]); |
| fc382d22 | 14 | } |
| 3bafa9bd SW |
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"]]; | |
| fc382d22 SW |
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> |