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Fixed // handling for arcs with negative arc angles.

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Revar Desmera 2019-06-30 18:09:43 -07:00
parent d64b836e8b
commit f1a70f62f3
1 changed files with 1 additions and 1 deletions
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shapes2d.scad
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@ -141,7 +141,7 @@ function arc(N, r, angle, d, cp, points, width, thickness, start, wedge=false) =
start = is_def(start)? start : is_vector(angle) ? angle[0] : 0,
angle = is_vector(angle)? angle[1]-angle[0] : angle,
r = get_radius(r=r,d=d),
N = max(3, is_undef(N)? ceil(segs(r)*angle/360) : N),
N = max(3, is_undef(N)? ceil(segs(r)*abs(angle)/360) : N),
arcpoints = [for(i=[0:N-1]) let(theta = start + i*angle/(N-1)) r*[cos(theta),sin(theta)]+cp],
extra = wedge? [cp] : []
)