Bugfix: horizontal projection for high-res models might show corrupted result

This commit is contained in:
Alessandro Ranellucci 2013-03-17 15:39:51 +01:00
parent 8d2c651ef2
commit 7f917671ab

View file

@ -585,8 +585,8 @@ sub horizontal_projection {
push @f, Slic3r::Polygon->new([ map [ @{$self->vertices->[$_]}[X,Y] ], @$facet ]);
}
$_->make_counter_clockwise for @f;
my $scale_vector = Math::Clipper::integerize_coordinate_sets({ bits => 32 }, @f);
$_->make_counter_clockwise for @f; # do this after scaling, as winding order might change while doing that
my $union = union_ex([ Slic3r::Geometry::Clipper::offset(\@f, 10000) ]);
Math::Clipper::unscale_coordinate_sets($scale_vector, $_) for @$union;
return $union;