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Correction in _cleave_connected_region and polygon_triangulate and some few tweaks

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RonaldoCMP
2021-11-04 12:09:29 +00:00
parent 10604cd20b
commit 6bd1dd918f
6 changed files with 105 additions and 98 deletions
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5
paths.scad
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@@ -278,9 +278,8 @@ function _path_self_intersections(path, closed=true, eps=EPSILON) =
// signs at its two vertices can have an intersection with segment
// [a1,a2]. The variable signals is zero when abs(vals[j]-ref) is less than
// eps and the sign of vals[j]-ref otherwise.
signals = [for(j=[i+2:1:plen-(i==0 && closed? 2: 1)]) vals[j]-ref > eps ? 1
: vals[j]-ref < -eps ? -1
: 0]
signals = [for(j=[i+2:1:plen-(i==0 && closed? 2: 1)])
abs(vals[j]-ref) < eps ? 0 : sign(vals[j]-ref) ]
)
if(max(signals)>=0 && min(signals)<=0 ) // some remaining edge intersects line [a1,a2]
for(j=[i+2:1:plen-(i==0 && closed? 3: 2)])