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Code Issues Releases Wiki Activity

prepare for adding angle info

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Justin Lin
2017-04-25 17:22:45 +08:00
parent ebed0b5292
commit c12db80d2c
1 changed files with 8 additions and 8 deletions
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16
src/golden_spiral.scad
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@@ -39,18 +39,18 @@ function _golden_spiral_from_ls_or_eql_to(from, to, point_distance ) =
f2 = _fast_fibonacci(from + 1),
fn = floor(f1 * 6.28312 / point_distance),
$fn = fn + 4 - (fn % 4),
arc_points = [
arc_points_angles = [
for(pt = circle_path(radius = f1, n = $fn / 4 + 1))
[pt[0], pt[1], 0] // to 3D points because of rotate_p
[[pt[0], pt[1], 0], 0] // to 3D points because of rotate_p
],
offset = f2 - f1
) _remove_same_pts(
arc_points,
arc_points_angles,
[
for(pt = _golden_spiral(from + 1, to, point_distance))
rotate_p(pt, [0, 0, 90]) + [0, -offset, 0]
for(pt_a = _golden_spiral(from + 1, to, point_distance))
[rotate_p(pt_a[0], [0, 0, 90]) + [0, -offset, 0], pt_a[1] + 90]
]
);
);
function _golden_spiral(from, to, point_distance) =
from <= to ?
@@ -58,6 +58,6 @@ function _golden_spiral(from, to, point_distance) =
function golden_spiral(from, to, point_distance) =
[
for(pt = _golden_spiral(from, to, point_distance))
[pt[0], pt[1]] // to 2D points
for(pt_a = _golden_spiral(from, to, point_distance))
[[pt_a[0][0], pt_a[0][1]], pt_a[1]] // to 2D points
];