mirror of
https://git.mirrors.martin98.com/https://github.com/prusa3d/PrusaSlicer.git
synced 2025-07-25 08:44:26 +08:00
52 lines
1.4 KiB
Perl
52 lines
1.4 KiB
Perl
use Test::More;
|
||
use strict;
|
||
use warnings;
|
||
|
||
plan tests => 4;
|
||
|
||
BEGIN {
|
||
use FindBin;
|
||
use lib "$FindBin::Bin/../lib";
|
||
use local::lib "$FindBin::Bin/../local-lib";
|
||
}
|
||
|
||
use Slic3r;
|
||
use Slic3r::Geometry qw(Z epsilon scale);
|
||
use Slic3r::Test;
|
||
|
||
{
|
||
# 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. So we create three cubes, centered around origin, the internal
|
||
# one having reversed normals.
|
||
my $mesh1 = Slic3r::Test::mesh('20mm_cube');
|
||
|
||
# center around origin
|
||
my $bb = $mesh1->bounding_box;
|
||
$mesh1->translate(
|
||
-($bb->x_min + $bb->size->x/2),
|
||
-($bb->y_min + $bb->size->y/2), #//
|
||
-($bb->z_min + $bb->size->z/2),
|
||
);
|
||
|
||
my $mesh2 = $mesh1->clone;
|
||
$mesh2->scale(1.2);
|
||
|
||
my $mesh3 = $mesh2->clone;
|
||
$mesh3->scale(1.2);
|
||
|
||
$mesh1->reverse_normals;
|
||
ok $mesh1->volume < 0, 'reverse_normals';
|
||
|
||
my $all_meshes = Slic3r::TriangleMesh->new;
|
||
$all_meshes->merge($_) for $mesh1, $mesh2, $mesh3;
|
||
|
||
my $loops = $all_meshes->slice_at(Z, 0);
|
||
is scalar(@$loops), 1, 'one expolygon returned';
|
||
is scalar(@{$loops->[0]->holes}), 1, 'expolygon has one hole';
|
||
ok abs(-$loops->[0]->holes->[0]->area - scale($bb->size->x)*scale($bb->size->y)) < epsilon, #))
|
||
'hole has expected size';
|
||
}
|
||
|
||
__END__
|