3D-printing/OrcaSlicer
1
0
Fork 0
mirror of https://github.com/SoftFever/OrcaSlicer.git synced 2025-07-12 01:07:57 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Ported Polygon->is_valid() and ExPolygon->is_valid()

Browse source
This commit is contained in:
Alessandro Ranellucci 2013-08-26 23:27:51 +02:00
parent da0b85c0d9
commit fe42427a54
13 changed files with 37 additions and 54 deletions
Download patch file Download diff file Expand all files Collapse all files

18
lib/Slic3r/ExPolygon.pm
View file

@ -10,24 +10,6 @@ use Math::Geometry::Voronoi;
use Slic3r::Geometry qw(X Y A B point_in_polygon same_line epsilon);
use Slic3r::Geometry::Clipper qw(union_ex JT_MITER);
sub is_valid {
my $self = shift;
return (!first { !$_->is_valid } @$self)
&& $self->contour->is_counter_clockwise
&& (!first { $_->is_counter_clockwise } @{$self->holes});
}
# returns false if the expolygon is too tight to be printed
sub is_printable {
my $self = shift;
my ($width) = @_;
# try to get an inwards offset
# for a distance equal to half of the extrusion width;
# if no offset is possible, then expolygon is not printable.
return @{Slic3r::Geometry::Clipper::offset($self, -$width / 2)} ? 1 : 0;
}
sub wkt {
my $self = shift;
return sprintf "POLYGON(%s)",