63 lines
2.1 KiB
Perl
63 lines
2.1 KiB
Perl
use Test::More;
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plan tests => 10;
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BEGIN {
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use FindBin;
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use lib "$FindBin::Bin/../lib";
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}
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use Slic3r;
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my $square = [ # ccw
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[10, 10],
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[20, 10],
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[20, 20],
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[10, 20],
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];
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my $line = [ [5, 15], [30, 15] ];
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my $intersection = Slic3r::Geometry::clip_segment_polygon($line, $square);
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is_deeply $intersection, [ [10, 15], [20, 15] ], 'line is clipped to square';
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#==========================================================
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$intersection = Slic3r::Geometry::clip_segment_polygon([ [0, 15], [8, 15] ], $square);
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is $intersection, undef, 'external lines are ignored 1';
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#==========================================================
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$intersection = Slic3r::Geometry::clip_segment_polygon([ [30, 15], [40, 15] ], $square);
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is $intersection, undef, 'external lines are ignored 2';
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#==========================================================
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$intersection = Slic3r::Geometry::clip_segment_polygon([ [12, 12], [18, 16] ], $square);
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is_deeply $intersection, [ [12, 12], [18, 16] ], 'internal lines are preserved';
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#==========================================================
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my $hole_in_square = [ # cw
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[14, 14],
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[14, 16],
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[16, 16],
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[16, 14],
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];
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my $intersections = Slic3r::Geometry::clip_segment_complex_polygon($line, [ $square, $hole_in_square ]);
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is_deeply $intersections, [
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[ [10, 15], [14, 15] ],
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[ [16, 15], [20, 15] ],
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], 'line is clipped to square with hole';
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#==========================================================
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is Slic3r::Geometry::point_in_segment([10, 10], [ [5, 10], [20, 10] ]), 1, 'point in horizontal segment';
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is Slic3r::Geometry::point_in_segment([30, 10], [ [5, 10], [20, 10] ]), 0, 'point not in horizontal segment';
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is Slic3r::Geometry::point_in_segment([10, 10], [ [10, 5], [10, 20] ]), 1, 'point in vertical segment';
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is Slic3r::Geometry::point_in_segment([10, 30], [ [10, 5], [10, 20] ]), 0, 'point not in vertical segment';
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is Slic3r::Geometry::point_in_segment([15, 15], [ [10, 10], [20, 20] ]), 1, 'point in diagonal segment';
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is Slic3r::Geometry::point_in_segment([20, 15], [ [10, 10], [20, 20] ]), 0, 'point not in diagonal segment';
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#==========================================================
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