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Fix bug in offset() where degenerate cases with closed=false give

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wrong error message (paralellcheck)
This commit is contained in:
Adrian Mariano 2022-02-12 19:59:40 -05:00
parent 9d55a7b6bf
commit 8dc288b62c
1 changed files with 1 additions and 1 deletions
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regions.scad
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@ -845,7 +845,7 @@ function offset(
goodsegs = bselect(shiftsegs, good), goodsegs = bselect(shiftsegs, good),
goodpath = bselect(path,good) goodpath = bselect(path,good)
) )
assert(len(goodsegs)>0,"Offset of path is degenerate") assert(len(goodsegs)-(!closed && select(good,-1)?1:0)>0,"Offset of path is degenerate")
let( let(
// Extend the shifted segments to their intersection points // Extend the shifted segments to their intersection points
sharpcorners = [for(i=[0:len(goodsegs)-1]) _segment_extension(select(goodsegs,i-1), select(goodsegs,i))], sharpcorners = [for(i=[0:len(goodsegs)-1]) _segment_extension(select(goodsegs,i-1), select(goodsegs,i))],