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New logic for connecting honeycomb paths

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Alessandro Ranellucci 2013-06-16 13:26:57 +02:00
parent 961586fe8f
commit 9ff85898b1
1 changed files with 27 additions and 3 deletions
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30
lib/Slic3r/Fill/Honeycomb.pm
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@ -5,7 +5,7 @@ extends 'Slic3r::Fill::Base';
has 'cache' => (is => 'rw', default => sub {{}}); has 'cache' => (is => 'rw', default => sub {{}});
use Slic3r::Geometry qw(PI X Y MIN MAX scale); use Slic3r::Geometry qw(PI X Y MIN MAX scale scaled_epsilon);
use Slic3r::Geometry::Clipper qw(intersection_ex); use Slic3r::Geometry::Clipper qw(intersection_ex);
sub angles () { [0, PI/3, PI/3*2] } sub angles () { [0, PI/3, PI/3*2] }
@ -86,8 +86,32 @@ sub fill_surface {
\@polygons, \@polygons,
) }; ) };
return { flow_spacing => $params{flow_spacing} }, # connect paths
Slic3r::Polyline::Collection->new(polylines => \@paths)->chained_path; {
my $collection = Slic3r::Polyline::Collection->new(polylines => [@paths]);
@paths = ();
foreach my $path ($collection->chained_path) {
if (@paths) {
# distance between first point of this path and last point of last path
my $distance = $paths[-1][-1]->distance_to($path->[0]);
if ($distance <= $m->{hex_width}) {
push @{$paths[-1]}, @$path;
next;
}
}
push @paths, $path;
}
}
# clip paths again to prevent connection segments from crossing the expolygon boundaries
@paths = map Slic3r::Polyline->new($_),
@{ Boost::Geometry::Utils::multi_polygon_multi_linestring_intersection(
[ $surface->expolygon->offset_ex(scaled_epsilon) ],
[ @paths ],
) };
return { flow_spacing => $params{flow_spacing} }, @paths;
} }
1; 1;