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Fixes for worm_gear()

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Garth Minette
2021-03-15 05:10:23 -07:00
parent 475602329d
commit efb7a4fada
3 changed files with 125 additions and 72 deletions
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11
arrays.scad
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@@ -489,12 +489,19 @@ function deduplicate_indexed(list, indices, closed=false, eps=EPSILON) =
indices==[]? [] :
assert(is_vector(indices), "Indices must be a list of numbers.")
let(
ll = len(list),
l = len(indices),
end = l-(closed?0:1)
) [
for (i = [0:1:l-1]) let(
a = list[indices[i]],
b = list[indices[(i+1)%l]],
idx1 = indices[i],
idx2 = indices[(i+1)%l],
a = assert(idx1>=0,"Bad index.")
assert(idx1<len(list),"Bad index in indices.")
list[idx1],
b = assert(idx2>=0,"Bad index.")
assert(idx2<len(list),"Bad index in indices.")
list[idx2],
eq = (a == b)? true :
(a*0 != b*0) || (eps==0)? false :
is_num(a) || is_vector(a) ? approx(a, b, eps=eps)