| | 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 cross_section = nt3d.circle(cross_section_radius, short_steps); |
| | 8 | var path = nt3d.circle(torus_radius, long_steps); |
| | 9 | var cross_section_normals = nt3d.rotate_about_origin(path, [0,0,1], Math.PI/2); |
| | 10 | var path_normals = []; |
| | 11 | path_normals.length = long_steps; |
| | 12 | for (var i = 0; i < long_steps; i++) { |
| | 13 | path_normals[i] = [0, 0, 1]; |
| | 14 | } |
| | 15 | return nt3d.closed_extrude(cross_section, path, cross_section_normals, path_normals); |
| | 16 | } |
| | 17 | var params = [["Torus radus", 100], |
| | 18 | ["Cross section radius", 40], |
| | 19 | ["Steps around the long way", 50], |
| | 20 | ["Steps around the short way", 16]]; |
| | 21 | </script> |
| | 22 | </head> |
| | 23 | <body onload="nt3d.framework(torus_by_extrude, params)"> |
| | 24 | <h1>Torus by extrude</h1> |
| | 25 | <p>Make a torus by extruding a circle.</p> |
| | 26 | </body> |
| | 27 | </html> |
projects / nt3d / blame_incremental