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Avoid starting loops on convex vertices and/or overhangs. #296 #135

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This commit is contained in:
Alessandro Ranellucci 2013-06-21 19:43:15 +02:00
parent 90d8da0e0d
commit aba7641fe4
2 changed files with 29 additions and 3 deletions
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10
lib/Slic3r/Polygon.pm
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@ -7,7 +7,7 @@ use parent 'Slic3r::Polyline';
use Slic3r::Geometry qw(polygon_lines polygon_remove_parallel_continuous_edges
polygon_remove_acute_vertices polygon_segment_having_point point_in_polygon
X1 X2 Y1 Y2);
PI X1 X2 Y1 Y2);
use Slic3r::Geometry::Clipper qw(JT_MITER);
sub lines {
@ -154,4 +154,12 @@ sub split_at_first_point {
return $self->split_at_index(0);
}
sub concave_points {
my $self = shift;
return map $self->[$_],
grep Slic3r::Geometry::angle3points(@$self[$_, $_-1, $_+1]) < PI,
-1 .. ($#$self-1);
}
1;