From 1845abab70f37870bb8d337f1e1b2731673d0d36 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Thu, 12 Apr 2012 10:30:54 +0200
Subject: [PATCH] Bugfix: warnings when trying to process bridges with no
 anchors

---
 lib/Slic3r/Layer.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Slic3r/Layer.pm b/lib/Slic3r/Layer.pm
index 6226f0555f..e72cc57c9a 100644
--- a/lib/Slic3r/Layer.pm
+++ b/lib/Slic3r/Layer.pm
@@ -341,7 +341,7 @@ sub process_bridges {
                     my $line = Slic3r::Line->new($edges[0]->[0], $edges[0]->[-1]);
                     $bridge_angle = rad2deg_dir($line->direction);
                 }
-            } else {
+            } elsif (@edges) {
                 my $center = bounding_box_center([ map @$_, @edges ]);
                 my $x = my $y = 0;
                 foreach my $point (map @$, @edges) {