mirror of
				https://github.com/SoftFever/OrcaSlicer.git
				synced 2025-10-30 20:21:12 -06:00 
			
		
		
		
	
		
			
				
	
	
		
			127 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
			
		
		
	
	
			127 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__
 | 
