mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-10-31 04:31:15 -06:00
54 lines
1.9 KiB
Perl
54 lines
1.9 KiB
Perl
use Test::More;
|
||
use strict;
|
||
use warnings;
|
||
|
||
plan tests => 4;
|
||
|
||
BEGIN {
|
||
use FindBin;
|
||
use lib "$FindBin::Bin/../lib";
|
||
}
|
||
|
||
use Slic3r;
|
||
use Slic3r::Test;
|
||
|
||
{
|
||
# We only need to slice at one height, so we'll build a non-manifold mesh
|
||
# that still produces complete loops at that height. Triangular walls are
|
||
# enough for this purpose.
|
||
# Basically we want to check what happens when three concentric loops happen
|
||
# to be at the same height, the two external ones being ccw and the other being
|
||
# a hole, thus cw.
|
||
my (@vertices, @facets) = ();
|
||
Slic3r::Test::add_facet($_, \@vertices, \@facets) for
|
||
# external surface below the slicing Z
|
||
[ [0,0,0], [20,0,10], [0,0,10] ],
|
||
[ [20,0,0], [20,20,10], [20,0,10] ],
|
||
[ [20,20,0], [0,20,10], [20,20,10] ],
|
||
[ [0,20,0], [0,0,10], [0,20,10] ],
|
||
|
||
# external insetted surface above the slicing Z
|
||
[ [2,2,10], [18,2,10], [2,2,20] ],
|
||
[ [18,2,10], [18,18,10], [18,2,20] ],
|
||
[ [18,18,10], [2,18,10], [18,18,20] ],
|
||
[ [2,18,10], [2,2,10], [2,18,20] ],
|
||
|
||
# insetted hole below the slicing Z
|
||
[ [15,5,0], [5,5,10], [15,5,10] ],
|
||
[ [15,15,0], [15,5,10], [15,15,10] ],
|
||
[ [5,15,0], [15,15,10], [5,15,10] ],
|
||
[ [5,5,0], [5,15,10], [5,5,10] ];
|
||
|
||
my $mesh = Slic3r::TriangleMesh->new(vertices => \@vertices, facets => \@facets);
|
||
$mesh->analyze;
|
||
my @lines = map $mesh->intersect_facet($_, 10), 0..$#facets;
|
||
my $loops = Slic3r::TriangleMesh::make_loops(\@lines);
|
||
is scalar(@$loops), 3, 'correct number of loops detected';
|
||
is scalar(grep $_->is_counter_clockwise, @$loops), 2, 'correct number of ccw loops detected';
|
||
|
||
my @surfaces = Slic3r::Layer::Region::_merge_loops($loops, 0);
|
||
is scalar(@surfaces), 1, 'one surface detected';
|
||
is scalar(@{$surfaces[0]->expolygon})-1, 1, 'surface has one hole';
|
||
}
|
||
|
||
__END__
|