X-Git-Url: http://git.scottworley.com/nt3d/blobdiff_plain/fc382d22506415e4c481587aad501e25b96f11ba..e06a4a20a8c49061c64714bf718061b5d695ef35:/torus_by_extrude.html diff --git a/torus_by_extrude.html b/torus_by_extrude.html index 323ad14..ef323a9 100644 --- a/torus_by_extrude.html +++ b/torus_by_extrude.html @@ -3,21 +3,20 @@ <title>Torus by extrude</title> <script type="text/javascript" src="nt3d.js"></script> <script type="text/javascript"> - function torus_by_extrude(torus_radius, cross_section_radius, long_steps, short_steps) { - var cross_section = nt3d.circle(cross_section_radius, short_steps); - var path = nt3d.circle(torus_radius, long_steps); - var cross_section_normals = nt3d.rotate_about_origin(path, [0,0,1], Math.PI/2); - var path_normals = []; - path_normals.length = long_steps; - for (var i = 0; i < long_steps; i++) { - path_normals[i] = [0, 0, 1]; - } - return nt3d.closed_extrude(cross_section, path, cross_section_normals, path_normals); + function torus_by_extrude(params) { + var path = nt3d.circle(params.torus_radius, params.long_steps); + path = nt3d.rotate_about_origin(path, [0,1,0], params.rotation * 2*Math.PI); + return nt3d.closed_extrude( + path, + nt3d.circle(params.cross_section_radius, params.short_steps), + nt3d.shapenormals_from_closed_path(path), + [0, 0, 1]); } - var params = [["Torus radus", 100], - ["Cross section radius", 40], - ["Steps around the long way", 50], - ["Steps around the short way", 16]]; + var params = [["torus_radius", 100], + ["cross_section_radius", 40], + ["rotation", 0.001, "Rotation (in turns)"], + ["long_steps", 50, "Steps around the long way"], + ["short_steps", 16, "Steps around the short way"]]; </script> </head> <body onload="nt3d.framework(torus_by_extrude, params)">