openscad/dotSCAD
1
0
Fork 0
mirror of https://github.com/JustinSDK/dotSCAD.git synced 2025-08-11 01:04:07 +02:00
Code Issues Releases Wiki Activity

refactor

Browse Source
This commit is contained in:
Justin Lin
2022-05-07 18:07:25 +08:00
parent 0fae2d5dce
commit 8fb260b595
1 changed files with 10 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/_impl/_golden_spiral_impl.scad
View File

@@ -14,15 +14,18 @@ function _golden_spiral_from_ls_or_eql_to(from, to, point_distance, rt_dir) =
fn = floor(f1 * PI * 2 / point_distance), fn = floor(f1 * PI * 2 / point_distance),
$fn = fn + 4 - (fn % 4), $fn = fn + 4 - (fn % 4),
circle_pts = shape_circle(radius = f1, n = $fn / 4 + 1), circle_pts = shape_circle(radius = f1, n = $fn / 4 + 1),
len_pts_1 = len(circle_pts) - 1,
a_step = 360 / $fn * rt_dir,
range_i = [0:len_pts_1],
as = [each range_i] * a_step,
c_idx = rt_dir == 1 ? function(i) i : function(i) len_pts_1 - i,
d_f1f2 = f1 - __fast_fibonacci(from + 1), d_f1f2 = f1 - __fast_fibonacci(from + 1),
off_p = rt_dir == 1 ? [0, d_f1f2, 0] : [d_f1f2, 0, 0], off_p = rt_dir == 1 ? [0, d_f1f2, 0] : [d_f1f2, 0, 0],
za = 90 * rt_dir, za = 90 * rt_dir,
ra = [0, 0, za], ra = [0, 0, za]
len_pts_1 = len(circle_pts) - 1,
as = [each [0:len_pts_1]] * (360 / $fn * rt_dir),
range = rt_dir == 1 ? [0:len_pts_1] : [len_pts_1:-1:-1]
) _remove_same_pts( ) _remove_same_pts(
[for(i = range) [circle_pts[i], as[i]]], [for(i = range_i) [circle_pts[c_idx(i)], as[i]]],
[ [
for(pt_a = _golden_spiral(from + 1, to, point_distance, rt_dir)) for(pt_a = _golden_spiral(from + 1, to, point_distance, rt_dir))
[ [
@@ -33,7 +36,8 @@ function _golden_spiral_from_ls_or_eql_to(from, to, point_distance, rt_dir) =
); );
function _golden_spiral(from, to, point_distance, rt_dir) = function _golden_spiral(from, to, point_distance, rt_dir) =
from > to ? [] : _golden_spiral_from_ls_or_eql_to(from, to, point_distance, rt_dir); from <= to ?
_golden_spiral_from_ls_or_eql_to(from, to, point_distance, rt_dir) : [];
function _golden_spiral_impl(from, to, point_distance, rt_dir) = function _golden_spiral_impl(from, to, point_distance, rt_dir) =
_golden_spiral(from, to, point_distance, (rt_dir == "CT_CLK" ? 1 : -1)); _golden_spiral(from, to, point_distance, (rt_dir == "CT_CLK" ? 1 : -1));