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extracted out __frags

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Justin Lin
2017-05-07 09:41:51 +08:00
parent 5e410c3e6f
commit 0970987629
2 changed files with 6 additions and 3 deletions
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3
src/__private__/__frags.scad Normal file
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@@ -0,0 +1,3 @@
function __frags(radius) = $fn > 0 ?
($fn >= 3 ? $fn : 3) :
max(min(360 / $fa, radius * 6.28318 / $fs), 5);

6
src/circle_path.scad
View File

@@ -12,11 +12,11 @@
* *
**/ **/
include <__private__/__frags.scad>;
function circle_path(radius, n) = function circle_path(radius, n) =
let( let(
_frags = $fn > 0 ? _frags = __frags(radius),
($fn >= 3 ? $fn : 3) :
max(min(360 / $fa, radius * 6.28318 / $fs), 5),
step_a = 360 / _frags, step_a = 360 / _frags,
end_a = 360 - step_a * ((n == undef || n > _frags) ? 1 : _frags - n + 1) end_a = 360 - step_a * ((n == undef || n > _frags) ? 1 : _frags - n + 1)
) )