33 lines
963 B
Perl
33 lines
963 B
Perl
package Slic3r::Geometry::Clipper;
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use strict;
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use warnings;
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require Exporter;
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our @ISA = qw(Exporter);
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our @EXPORT_OK = qw(offset offset_ex
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diff_ex diff union_ex intersection_ex xor_ex JT_ROUND JT_MITER
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JT_SQUARE is_counter_clockwise union_pt offset2 offset2_ex traverse_pt
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intersection union CLIPPER_OFFSET_SCALE);
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use Slic3r::Geometry qw(scale);
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sub traverse_pt {
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my ($polynodes) = @_;
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# use a nearest neighbor search to order these children
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# TODO: supply second argument to chained_path_items() too?
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my @nodes = @{Slic3r::Geometry::chained_path_items(
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[ map [ ($_->{outer} ? $_->{outer}[0] : $_->{hole}[0]), $_ ], @$polynodes ],
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)};
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my @polygons = ();
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foreach my $polynode (@$polynodes) {
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# traverse the next depth
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push @polygons, traverse_pt($polynode->{children});
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push @polygons, $polynode->{outer} // [ reverse @{$polynode->{hole}} ];
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}
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return @polygons;
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}
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1;
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