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Added resample_path() tests.

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Revar Desmera
2023-09-11 19:55:07 -07:00
parent 82de139057
commit 4d9833a368
2 changed files with 74 additions and 26 deletions
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8
paths.scad
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@@ -532,13 +532,13 @@ function resample_path(path, n, spacing, keep_corners, closed=true) =
pcnt = len(path),
plen = path_length(path, closed=closed),
subpaths = [ for (p = pair(corners)) [for(i = [p.x:1:p.y]) path[i%pcnt]] ],
n = is_undef(n)? n : closed? n+1 : n
n = is_undef(n)? undef : closed? n+1 : n
)
assert(n==undef || n >= len(corners), "There are nore than `n=` corners whose angle is greater than `keep_corners=`.")
let(
lens = [for (subpath = subpaths) path_length(subpath)],
part_ns = is_undef(n)
? [for (i=idx(subpaths)) ceil(lens[i]/spacing)-1]
? [for (i=idx(subpaths)) max(1,round(lens[i]/spacing)-1)]
: let(
ccnt = len(corners),
parts = [for (l=lens) (n-ccnt) * l/plen],
@@ -549,8 +549,8 @@ function resample_path(path, n, spacing, keep_corners, closed=true) =
let(
subpath = subpaths[i],
splen = lens[i],
n = part_ns[i] + 1,
distlist = lerpn(0, splen, n, false),
pn = part_ns[i] + 1,
distlist = lerpn(0, splen, pn, false),
cuts = path_cut_points(subpath, distlist, closed=false)
)
each column(cuts,0),