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Bugfix: fatal error in the rare case that a bridge has no anchor points. #1607

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Alessandro Ranellucci 2014-01-15 00:20:09 +01:00
parent 4da71e8f13
commit cfbbb539a5
1 changed files with 2 additions and 1 deletions
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3
lib/Slic3r/Layer/Region.pm
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@ -585,8 +585,9 @@ sub _detect_bridge_direction {
# generate lines in this direction # generate lines in this direction
my $bounding_box = Slic3r::Geometry::BoundingBox->new_from_points([ map @$_, map @$_, @$anchors ]); my $bounding_box = Slic3r::Geometry::BoundingBox->new_from_points([ map @$_, map @$_, @$anchors ]);
# note that @$anchors might be empty
my @lines = (); my @lines = ();
for (my $x = $bounding_box->x_min; $x <= $bounding_box->x_max; $x += $line_increment) { for (my $x = ($bounding_box->x_min // 0); $x <= ($bounding_box->x_max // -1); $x += $line_increment) {
push @lines, [ [$x, $bounding_box->y_min], [$x, $bounding_box->y_max] ]; push @lines, [ [$x, $bounding_box->y_min], [$x, $bounding_box->y_max] ];
} }