82 lines
2.2 KiB
Perl
82 lines
2.2 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 => 40;
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use constant PI => 4 * atan2(1, 1);
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use constant EPSILON => 1E-4;
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my $points = [
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[100, 100],
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[200, 100],
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];
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my $line = Slic3r::Line->new(@$points);
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is_deeply $line->pp, $points, 'line roundtrip';
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is ref($line->arrayref), 'ARRAY', 'line arrayref is unblessed';
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isa_ok $line->[0], 'Slic3r::Point::Ref', 'line point is blessed';
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{
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my $clone = $line->clone;
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$clone->reverse;
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is_deeply $clone->pp, [ reverse @$points ], 'reverse';
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}
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{
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my $line2 = Slic3r::Line->new($line->a->clone, $line->b->clone);
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is_deeply $line2->pp, $points, 'line roundtrip with cloned points';
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}
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{
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my $clone = $line->clone;
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$clone->translate(10, -5);
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is_deeply $clone->pp, [
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[110, 95],
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[210, 95],
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], 'translate';
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}
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{
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ok +Slic3r::Line->new([0,0],[200,0])->parallel_to_line(Slic3r::Line->new([200,200],[0,200])), 'parallel_to';
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}
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foreach my $base_angle (0, PI/4, PI/2, PI) {
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my $line = Slic3r::Line->new([0,0], [100,0]);
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$line->rotate($base_angle, [0,0]);
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my $clone = $line->clone;
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ok $line->parallel_to_line($clone), 'line is parallel to self';
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$clone->reverse;
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ok $line->parallel_to_line($clone), 'line is parallel to self + PI';
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ok $line->parallel_to($line->direction), 'line is parallel to its direction';
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ok $line->parallel_to($line->direction + PI), 'line is parallel to its direction + PI';
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ok $line->parallel_to($line->direction - PI), 'line is parallel to its direction - PI';
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{
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my $line2 = $line->clone;
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$line2->reverse;
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ok $line->parallel_to_line($line2), 'line is parallel to its opposite';
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}
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{
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my $line2 = $line->clone;
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$line2->rotate(+(EPSILON)/2, [0,0]);
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ok $line->parallel_to_line($line2), 'line is parallel within epsilon';
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}
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{
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my $line2 = $line->clone;
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$line2->rotate(-(EPSILON)/2, [0,0]);
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ok $line->parallel_to_line($line2), 'line is parallel within epsilon';
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}
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}
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{
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my $a = Slic3r::Line->new([100, 0], [200, 0]);
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my $b = Slic3r::Line->new([300, 300], [300, 100]);
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my $r = $a->intersection_infinite($b);
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is_deeply $r->pp, [300, 0], 'intersection_infinite';
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}
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__END__
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