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Attempt to fix errors with union(), difference(), intersection() with infinitesimally misaligned paths.

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Revar Desmera
2020-03-05 03:30:18 -08:00
parent 6433ebaa82
commit 2aaa7006e7
2 changed files with 4 additions and 4 deletions
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6
regions.scad
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@@ -644,7 +644,7 @@ function union(regions=[],b=undef,c=undef,eps=EPSILON) =
b!=undef? union(concat([regions],[b],c==undef?[]:[c]), eps=eps) :
len(regions)<=1? regions[0] :
union(
let(regions=[for (r=regions) is_path(r)? [r] : r])
let(regions=[for (r=regions) quant(is_path(r)? [r] : r, 1/65536)])
concat(
[_tagged_region(regions[0],regions[1],["O","S"],["O"], eps=eps)],
[for (i=[2:1:len(regions)-1]) regions[i]]
@@ -675,7 +675,7 @@ function difference(regions=[],b=undef,c=undef,eps=EPSILON) =
b!=undef? difference(concat([regions],[b],c==undef?[]:[c]), eps=eps) :
len(regions)<=1? regions[0] :
difference(
let(regions=[for (r=regions) is_path(r)? [r] : r])
let(regions=[for (r=regions) quant(is_path(r)? [r] : r, 1/65536)])
concat(
[_tagged_region(regions[0],regions[1],["O","U"],["I"], eps=eps)],
[for (i=[2:1:len(regions)-1]) regions[i]]
@@ -705,7 +705,7 @@ function intersection(regions=[],b=undef,c=undef,eps=EPSILON) =
b!=undef? intersection(concat([regions],[b],c==undef?[]:[c]),eps=eps) :
len(regions)<=1? regions[0] :
intersection(
let(regions=[for (r=regions) is_path(r)? [r] : r])
let(regions=[for (r=regions) quant(is_path(r)? [r] : r, 1/65536)])
concat(
[_tagged_region(regions[0],regions[1],["I","S"],["I"],eps=eps)],
[for (i=[2:1:len(regions)-1]) regions[i]]