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58 lines
2.0 KiB
Perl
58 lines
2.0 KiB
Perl
use Test::More;
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use strict;
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use warnings;
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plan skip_all => 'temporarily disabled';
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plan tests => 4;
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BEGIN {
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use FindBin;
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use lib "$FindBin::Bin/../lib";
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use local::lib "$FindBin::Bin/../local-lib";
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}
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use Slic3r;
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use Slic3r::Test;
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{
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# We only need to slice at one height, so we'll build a non-manifold mesh
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# that still produces complete loops at that height. Triangular walls are
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# enough for this purpose.
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# Basically we want to check what happens when three concentric loops happen
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# to be at the same height, the two external ones being ccw and the other being
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# a hole, thus cw.
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my (@vertices, @facets) = ();
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Slic3r::Test::add_facet($_, \@vertices, \@facets) for
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# external surface below the slicing Z
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[ [0,0,0], [20,0,10], [0,0,10] ],
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[ [20,0,0], [20,20,10], [20,0,10] ],
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[ [20,20,0], [0,20,10], [20,20,10] ],
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[ [0,20,0], [0,0,10], [0,20,10] ],
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# external insetted surface above the slicing Z
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[ [2,2,10], [18,2,10], [2,2,20] ],
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[ [18,2,10], [18,18,10], [18,2,20] ],
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[ [18,18,10], [2,18,10], [18,18,20] ],
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[ [2,18,10], [2,2,10], [2,18,20] ],
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# insetted hole below the slicing Z
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[ [15,5,0], [5,5,10], [15,5,10] ],
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[ [15,15,0], [15,5,10], [15,15,10] ],
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[ [5,15,0], [15,15,10], [5,15,10] ],
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[ [5,5,0], [5,15,10], [5,5,10] ];
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my $mesh = Slic3r::TriangleMesh->new;
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$mesh->ReadFromPerl(\@vertices, \@facets);
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$mesh->analyze;
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my @lines = map $mesh->intersect_facet($_, 10), 0..$#facets;
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my $loops = Slic3r::TriangleMesh::make_loops(\@lines);
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is scalar(@$loops), 3, 'correct number of loops detected';
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is scalar(grep $_->is_counter_clockwise, @$loops), 2, 'correct number of ccw loops detected';
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my @surfaces = Slic3r::Layer::Region::_merge_loops($loops, 0);
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is scalar(@surfaces), 1, 'one surface detected';
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is scalar(@{$surfaces[0]->expolygon})-1, 1, 'surface has one hole';
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}
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__END__
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