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triplet fix

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This commit is contained in:
Adrian Mariano
2021-11-01 18:14:31 -04:00
parent 7bac9a484d
commit 530f3b3449
5 changed files with 27 additions and 18 deletions
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8
paths.scad
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@@ -228,12 +228,12 @@ function path_length_fractions(path, closed) =
let(
lengths = [
0,
for (i=[0:1:len(path)-(closed?1:2)])
norm(select(path,i+1)-path[i])
each path_segment_lengths(path,closed)
],
partial_len = cumsum(lengths),
total_len = last(partial_len)
) partial_len / total_len;
)
partial_len / total_len;
@@ -556,7 +556,7 @@ function path_closest_point(path, pt, closed=true) =
assert(is_vector(pt, len(path[0])), "Input pt must be a compatible vector")
assert(is_bool(closed))
let(
pts = [for (seg=[0:1:len(path)-(closed?1:2)]) line_closest_point(select(path,seg,seg+1),pt,SEGMENT)],
pts = [for (seg=pair(path,closed)) line_closest_point(seg,pt,SEGMENT)],
dists = [for (p=pts) norm(p-pt)],
min_seg = min_index(dists)
) [min_seg, pts[min_seg]];