128 lines
3.5 KiB
Perl
128 lines
3.5 KiB
Perl
use Test::More;
|
|
use strict;
|
|
use warnings;
|
|
|
|
plan tests => 17;
|
|
|
|
BEGIN {
|
|
use FindBin;
|
|
use lib "$FindBin::Bin/../lib";
|
|
}
|
|
|
|
use Slic3r;
|
|
use Slic3r::Geometry qw(X Y Z A B);
|
|
use XXX;
|
|
|
|
my $mesh = Slic3r::TriangleMesh->new;
|
|
|
|
my @lines;
|
|
my $z = 20;
|
|
my @points = ([3, 4], [8, 5], [1, 9]); # XY coordinates of the facet vertices
|
|
|
|
is_deeply lines(20, 20, 20), [
|
|
[ $points[0], $points[1] ],
|
|
[ $points[1], $points[2] ],
|
|
[ $points[2], $points[0] ],
|
|
], 'horizontal';
|
|
|
|
is_deeply lines(22, 20, 20), [ [ $points[1], $points[2] ] ], 'lower edge on layer';
|
|
is_deeply lines(20, 20, 22), [ [ $points[0], $points[1] ] ], 'lower edge on layer';
|
|
is_deeply lines(20, 22, 20), [ [ $points[2], $points[0] ] ], 'lower edge on layer';
|
|
|
|
is_deeply lines(20, 20, 10), [ [ $points[1], $points[0] ] ], 'upper edge on layer';
|
|
is_deeply lines(10, 20, 20), [ [ $points[2], $points[1] ] ], 'upper edge on layer';
|
|
is_deeply lines(20, 10, 20), [ [ $points[0], $points[2] ] ], 'upper edge on layer';
|
|
|
|
is_deeply lines(20, 15, 10), [ ], 'upper vertex on layer';
|
|
is_deeply lines(28, 20, 30), [ ], 'lower vertex on layer';
|
|
|
|
{
|
|
my @z = (24, 10, 16);
|
|
is_deeply lines(@z), [
|
|
[
|
|
line_plane_intersection([ vertices(@z)->[2], vertices(@z)->[0] ]),
|
|
line_plane_intersection([ vertices(@z)->[0], vertices(@z)->[1] ]),
|
|
]
|
|
], 'two edges intersect';
|
|
}
|
|
|
|
{
|
|
my @z = (16, 24, 10);
|
|
is_deeply lines(@z), [
|
|
[
|
|
line_plane_intersection([ vertices(@z)->[1], vertices(@z)->[2] ]),
|
|
line_plane_intersection([ vertices(@z)->[0], vertices(@z)->[1] ]),
|
|
]
|
|
], 'two edges intersect';
|
|
}
|
|
|
|
{
|
|
my @z = (10, 16, 24);
|
|
is_deeply lines(@z), [
|
|
[
|
|
line_plane_intersection([ vertices(@z)->[2], vertices(@z)->[0] ]),
|
|
line_plane_intersection([ vertices(@z)->[1], vertices(@z)->[2] ]),
|
|
]
|
|
], 'two edges intersect';
|
|
}
|
|
|
|
{
|
|
my @z = (24, 10, 20);
|
|
is_deeply lines(@z), [
|
|
[
|
|
$points[2],
|
|
line_plane_intersection([ vertices(@z)->[0], vertices(@z)->[1] ]),
|
|
]
|
|
], 'one vertex on plane and one edge intersects';
|
|
}
|
|
|
|
{
|
|
my @z = (10, 20, 24);
|
|
is_deeply lines(@z), [
|
|
[
|
|
line_plane_intersection([ vertices(@z)->[2], vertices(@z)->[0] ]),
|
|
$points[1],
|
|
]
|
|
], 'one vertex on plane and one edge intersects';
|
|
}
|
|
|
|
{
|
|
my @z = (20, 24, 10);
|
|
is_deeply lines(@z), [
|
|
[
|
|
line_plane_intersection([ vertices(@z)->[1], vertices(@z)->[2] ]),
|
|
$points[0],
|
|
]
|
|
], 'one vertex on plane and one edge intersects';
|
|
}
|
|
|
|
my @lower = $mesh->intersect_facet(0, vertices(22, 20, 20), $z);
|
|
my @upper = $mesh->intersect_facet(0, vertices(20, 20, 10), $z);
|
|
is $lower[0]->facet_edge, 'bottom', 'bottom edge on layer';
|
|
is $upper[0]->facet_edge, 'top', 'upper edge on layer';
|
|
|
|
sub vertices {
|
|
[ map [ @{$points[$_]}, $_[$_] ], 0..2 ]
|
|
}
|
|
|
|
sub lines {
|
|
my @lines = $mesh->intersect_facet(0, vertices(@_), $z);
|
|
$_->a->[X] = sprintf('%.0f', $_->a->[X]) for @lines;
|
|
$_->a->[Y] = sprintf('%.0f', $_->a->[Y]) for @lines;
|
|
$_->b->[X] = sprintf('%.0f', $_->b->[X]) for @lines;
|
|
$_->b->[Y] = sprintf('%.0f', $_->b->[Y]) for @lines;
|
|
return [ map $_->points, @lines ];
|
|
}
|
|
|
|
sub line_plane_intersection {
|
|
my ($line) = @_;
|
|
|
|
return [
|
|
map sprintf('%.0f', $_),
|
|
map +($line->[B][$_] + ($line->[A][$_] - $line->[B][$_]) * ($z - $line->[B][Z]) / ($line->[A][Z] - $line->[B][Z])),
|
|
(X,Y)
|
|
];
|
|
}
|
|
|
|
__END__
|