129 lines
4.5 KiB
Perl
129 lines
4.5 KiB
Perl
#!/usr/bin/perl
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use strict;
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use warnings;
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use Slic3r::XS;
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use Test::More tests => 46;
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is Slic3r::TriangleMesh::hello_world(), 'Hello world!',
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'hello world';
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my $cube = {
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vertices => [ [20,20,0], [20,0,0], [0,0,0], [0,20,0], [20,20,20], [0,20,20], [0,0,20], [20,0,20] ],
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facets => [ [0,1,2], [0,2,3], [4,5,6], [4,6,7], [0,4,7], [0,7,1], [1,7,6], [1,6,2], [2,6,5], [2,5,3], [4,0,3], [4,3,5] ],
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};
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{
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my $m = Slic3r::TriangleMesh->new;
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$m->ReadFromPerl($cube->{vertices}, $cube->{facets});
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$m->repair;
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my ($vertices, $facets) = ($m->vertices, $m->facets);
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is_deeply $vertices, $cube->{vertices}, 'vertices arrayref roundtrip';
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is_deeply $facets, $cube->{facets}, 'facets arrayref roundtrip';
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is scalar(@{$m->normals}), scalar(@$facets), 'normals returns the right number of items';
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{
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my $m2 = $m->clone;
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is_deeply $m2->vertices, $cube->{vertices}, 'cloned vertices arrayref roundtrip';
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is_deeply $m2->facets, $cube->{facets}, 'cloned facets arrayref roundtrip';
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$m2->scale(3); # check that it does not affect $m
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}
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{
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my $stats = $m->stats;
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is $stats->{number_of_facets}, scalar(@{ $cube->{facets} }), 'stats.number_of_facets';
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ok abs($stats->{volume} - 20*20*20) < 1E-2, 'stats.volume';
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}
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$m->scale(2);
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ok abs($m->stats->{volume} - 40*40*40) < 1E-2, 'scale';
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$m->scale_xyz(Slic3r::Pointf3->new(2,1,1));
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ok abs($m->stats->{volume} - 2*40*40*40) < 1E-2, 'scale_xyz';
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$m->translate(5,10,0);
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is_deeply $m->vertices->[0], [85,50,0], 'translate';
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$m->align_to_origin;
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is_deeply $m->vertices->[2], [0,0,0], 'align_to_origin';
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is_deeply $m->size, [80,40,40], 'size';
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$m->scale_xyz(Slic3r::Pointf3->new(0.5,1,1));
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$m->rotate(45, Slic3r::Point->new(20,20));
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ok abs($m->size->[0] - sqrt(2)*40) < 1E-4, 'rotate';
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{
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my $meshes = $m->split;
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is scalar(@$meshes), 1, 'split';
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isa_ok $meshes->[0], 'Slic3r::TriangleMesh', 'split';
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is_deeply $m->bb3, $meshes->[0]->bb3, 'split populates stats';
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}
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my $m2 = Slic3r::TriangleMesh->new;
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$m2->ReadFromPerl($cube->{vertices}, $cube->{facets});
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$m2->repair;
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$m->merge($m2);
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$m->repair;
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is $m->stats->{number_of_facets}, 2 * $m2->stats->{number_of_facets}, 'merge';
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{
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my $meshes = $m->split;
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is scalar(@$meshes), 2, 'split';
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}
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}
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{
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my $m = Slic3r::TriangleMesh->new;
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$m->ReadFromPerl($cube->{vertices}, $cube->{facets});
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$m->repair;
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my @z = (2,4,8,6,8,10,12,14,16,18,20);
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my $result = $m->slice(\@z);
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my $SCALING_FACTOR = 0.000001;
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for my $i (0..$#z) {
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is scalar(@{$result->[$i]}), 1, "number of returned polygons per layer (z = " . $z[$i] . ")";
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is $result->[$i][0]->area, 20*20/($SCALING_FACTOR**2), 'size of returned polygon';
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}
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}
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{
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my $m = Slic3r::TriangleMesh->new;
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$m->ReadFromPerl(
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[ [0,0,0],[0,0,20],[0,5,0],[0,5,20],[50,0,0],[50,0,20],[15,5,0],[35,5,0],[15,20,0],[50,5,0],[35,20,0],[15,5,10],[50,5,20],[35,5,10],[35,20,10],[15,20,10] ],
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[ [0,1,2],[2,1,3],[1,0,4],[5,1,4],[0,2,4],[4,2,6],[7,6,8],[4,6,7],[9,4,7],[7,8,10],[2,3,6],[11,3,12],[7,12,9],[13,12,7],[6,3,11],[11,12,13],[3,1,5],[12,3,5],[5,4,9],[12,5,9],[13,7,10],[14,13,10],[8,15,10],[10,15,14],[6,11,8],[8,11,15],[15,11,13],[14,15,13] ],
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);
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$m->repair;
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my $slices = $m->slice([ 5, 10 ]);
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is $slices->[0][0]->area, $slices->[1][0]->area, 'slicing a tangent plane includes its area';
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}
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{
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my $m = Slic3r::TriangleMesh->new;
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$m->ReadFromPerl($cube->{vertices}, $cube->{facets});
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$m->repair;
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{
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my $upper = Slic3r::TriangleMesh->new;
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my $lower = Slic3r::TriangleMesh->new;
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$m->cut(0, $upper, $lower);
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$upper->repair; $lower->repair;
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is $upper->facets_count, 12, 'upper mesh has all facets except those belonging to the slicing plane';
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is $lower->facets_count, 0, 'lower mesh has no facets';
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}
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{
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my $upper = Slic3r::TriangleMesh->new;
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my $lower = Slic3r::TriangleMesh->new;
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$m->cut(10, $upper, $lower);
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#$upper->repair; $lower->repair;
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# we expect:
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# 2 facets on external horizontal surfaces
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# 3 facets on each side = 12 facets
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# 6 facets on the triangulated side (8 vertices)
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is $upper->facets_count, 2+12+6, 'upper mesh has the expected number of facets';
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is $lower->facets_count, 2+12+6, 'lower mesh has the expected number of facets';
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}
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}
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__END__
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