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Code Issues Releases Wiki Activity

c-style for loop

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Justin Lin
2019-06-13 09:06:55 +08:00
parent e26d1d3233
commit 7351e401c9
1 changed files with 4 additions and 3 deletions
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7
src/golden_spiral.scad
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@@ -26,7 +26,7 @@ function _fast_fibonacci(nth) =
function _remove_same_pts(pts1, pts2) = function _remove_same_pts(pts1, pts2) =
pts1[len(pts1) - 1] == pts2[0] ? pts1[len(pts1) - 1] == pts2[0] ?
concat(pts1, [for(i = [1:len(pts2) - 1]) pts2[i]]) : concat(pts1, [for(i = 1; i < len(pts2); i = i + 1) pts2[i]]) :
concat(pts1, pts2); concat(pts1, pts2);
function _golden_spiral_from_ls_or_eql_to(from, to, point_distance, rt_dir) = function _golden_spiral_from_ls_or_eql_to(from, to, point_distance, rt_dir) =
@@ -38,11 +38,12 @@ function _golden_spiral_from_ls_or_eql_to(from, to, point_distance, rt_dir) =
circle_pts = circle_path(radius = f1, n = $fn / 4 + 1), circle_pts = circle_path(radius = f1, n = $fn / 4 + 1),
len_pts = len(circle_pts), len_pts = len(circle_pts),
a_step = 360 / $fn * rt_dir, a_step = 360 / $fn * rt_dir,
range_i = [0:len_pts - 1],
arc_points_angles = (rt_dir == 1 ? [ arc_points_angles = (rt_dir == 1 ? [
for(i = [0:len_pts - 1]) for(i = range_i)
[circle_pts[i], a_step * i] [circle_pts[i], a_step * i]
] : [ ] : [
for(i = [0:len_pts - 1]) let(idx = len_pts - i - 1) for(i = range_i) let(idx = len_pts - i - 1)
[circle_pts[idx], a_step * i] [circle_pts[idx], a_step * i]
]), ]),
offset = f2 - f1 offset = f2 - f1