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refactor

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This commit is contained in:
Justin Lin 2022-05-05 13:19:03 +08:00
parent 108e2cc0ea
commit e863770245
1 changed files with 9 additions and 8 deletions
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17
src/shape_pie.scad
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@ -16,18 +16,19 @@ function shape_pie(radius, angle) =
a_step = 360 / __frags(radius),
leng = radius * cos(a_step / 2),
angles = is_num(angle) ? [0, angle] : angle,
m = floor(angles[0] / a_step) + 1,
n = floor(angles[1] / a_step),
edge_r_begin = leng / cos((m - 0.5) * a_step - angles[0]),
edge_r_end = leng / cos((n + 0.5) * a_step - angles[1]),
a0 = angles[0],
a1 = angles[1],
m = floor(a0 / a_step) + 1,
n = floor(a1 / a_step),
edge_r_begin = leng / cos((m - 0.5) * a_step - a0),
edge_r_end = leng / cos((n + 0.5) * a_step - a1),
shape_pts = [
[0, 0],
__ra_to_xy(edge_r_begin, angles[0]),
__ra_to_xy(edge_r_begin, a0),
if(m <= n) each [
for(i = m; i <= n; i = i + 1)
let(a = a_step * i)
__ra_to_xy(radius, a)
__ra_to_xy(radius, a_step * i)
],
if(angles[1] != a_step * n) __ra_to_xy(edge_r_end, angles[1])
if(a1 != a_step * n) __ra_to_xy(edge_r_end, a1)
]
) shape_pts;