X-Git-Url: http://git.scottworley.com/nt3d/blobdiff_plain/3fdffa6cef1752afc1143dac2d8b9966fc91cc2d..cf4bf59f0dce374bb78bbd2197c4ef9818f48362:/medusa.html diff --git a/medusa.html b/medusa.html index 0576312..d96ec35 100644 --- a/medusa.html +++ b/medusa.html @@ -7,12 +7,15 @@ var path = []; var twirl_amplitute = Math.cos((ring_num * 2 * Math.PI) / params.finger_twirl_period); var twirl_angle = twirl_amplitute * params.finger_twirl_distance / (ring_radius * 2 * Math.PI); + var widen_scale = params.widen_amount / (Math.exp(params.widen_sharpness) - 1); for (var finger_point = 0; finger_point <= params.finger_points; finger_point++) { var finger_progress = finger_point / params.finger_points; var angle = (finger_angle + twirl_angle * finger_progress) * 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_progress]); + var r = ring_radius + widen_scale * Math.exp(finger_progress * params.widen_sharpness); + var x = r * Math.cos(angle); + var y = r * Math.sin(angle); + var z = params.finger_height * finger_progress; + path.push([x, y, z]); } return nt3d.extrude(path, finger_crosssection, [0, 0, 1], nt3d.pathnormals_from_point(path, [0, 0, 0])); } @@ -39,7 +42,9 @@ ["finger_points", 20], ["finger_twirl_distance", 50], ["finger_twirl_period", 2, "Finger Twirl Period (1=same, 2=alternating)"], - ["finger_height", 100]]; + ["finger_height", 100], + ["widen_sharpness", 2, "Widen Sharpness (0=disable widening)"], + ["widen_amount", 30]];