X-Git-Url: http://git.scottworley.com/nt3d/blobdiff_plain/00406c26b669b87bf25f14fdca4beef22b925ddd..34c919e9878654f7fa6e9a61ef401e150b8a5ff0:/medusa.html diff --git a/medusa.html b/medusa.html index 9099f6a..87e9301 100644 --- a/medusa.html +++ b/medusa.html @@ -3,25 +3,41 @@ <title>Medusa</title> <script type="text/javascript" src="nt3d.js"></script> <script type="text/javascript"> - function medusa(base_ring_radius, num_fingers, finger_radius, finger_faces, finger_height) { - var finger_crosssection = nt3d.circle(finger_radius, finger_faces); + function finger(params, finger_crosssection, ring_radius, finger_angle) { + var path = []; + var twirl_angle = params.finger_twirl_distance / (ring_radius * 2 * Math.PI); + console.log(twirl_angle); + for (var finger_point = 0; finger_point <= params.finger_points; finger_point++) { + var angle = (finger_angle + twirl_angle * finger_point / params.finger_points) * 2 * Math.PI; + var x = ring_radius * Math.cos(angle); + var y = ring_radius * Math.sin(angle); + path.push([x, y, params.finger_height * finger_point / params.finger_points]); + } + return nt3d.extrude(path, finger_crosssection, [0, 0, 1], nt3d.pathnormals_from_point(path, [0, 0, 0])); + } + function medusa(params) { + var finger_crosssection = nt3d.circle(params.finger_radius, params.finger_faces); var fingers = []; - for (var i = 0; i < num_fingers; i++) { - var base_x = base_ring_radius * Math.cos(i * (2 * Math.PI / num_fingers)); - var base_y = base_ring_radius * Math.sin(i * (2 * Math.PI / num_fingers)); - console.log(base_x, base_y); - var path = [[base_x, base_y, 0], [base_x, base_y, finger_height]]; - var finger = nt3d.extrude(path, finger_crosssection, [0, 0, 1], nt3d.pathnormals_from_point(path, [0, 0, 0])); - fingers = fingers.concat(finger); + for (var ring_num = 0; ring_num < params.num_rings; ring_num++) { + var ring_radius = params.first_ring_radius + ring_num * params.ring_spacing; + var num_fingers = Math.round((ring_radius * 2 * Math.PI) / params.finger_spacing); + for (var finger_num = 0; finger_num < num_fingers; finger_num++) { + var finger_angle = finger_num / num_fingers; + fingers = fingers.concat(finger(params, finger_crosssection, ring_radius, finger_angle)); + } } return fingers; } - var params = [["Base ring radius", 100], - ["Number of fingers", 5], - ["Finger radius", 3], - ["Finger faces", 10], - ["Finger height", 100]]; + var params = [["first_ring_radius", 20], + ["num_rings", 4], + ["ring_spacing", 10, "Space Between Rings"], + ["finger_spacing", 10], + ["finger_radius", 3], + ["finger_faces", 3], + ["finger_points", 20], + ["finger_twirl_distance", 50], + ["finger_height", 100]]; </script> </head> <body onload="nt3d.framework(medusa, params)">