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c-style for loop

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Justin Lin
2019-06-13 09:11:04 +08:00
parent fe8256ef0d
commit 90d2f1ac9c
1 changed files with 3 additions and 2 deletions
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5
src/helix.scad
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@@ -25,10 +25,11 @@ function helix(radius, levels, level_dist, vt_dir = "SPI_DOWN", rt_dir = "CT_CLK
r_step = r_diff / (levels * _frags), r_step = r_diff / (levels * _frags),
a_step = 360 / _frags * rt_d, a_step = 360 / _frags * rt_d,
begin_r = vt_dir == "SPI_DOWN" ? r2 : r1, begin_r = vt_dir == "SPI_DOWN" ? r2 : r1,
begin_h = vt_dir == "SPI_DOWN" ? h : 0 begin_h = vt_dir == "SPI_DOWN" ? h : 0,
end_i = _frags * levels
) )
[ [
for(i = [0:_frags * levels]) for(i = 0; i <= end_i; i = i + 1)
let(r = begin_r + r_step * i, a = a_step * i) let(r = begin_r + r_step * i, a = a_step * i)
[r * cos(a), r * sin(a), begin_h - h_step * i] [r * cos(a), r * sin(a), begin_h - h_step * i]
]; ];