From 93310a6a817560b9a9979a384a0a096d33b2ba57 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sat, 24 Nov 2012 00:15:02 +0100
Subject: [PATCH] Fix bounding_box_center()

---
 lib/Slic3r/Geometry.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/Slic3r/Geometry.pm b/lib/Slic3r/Geometry.pm
index c483fd6c..9bfb0bce 100644
--- a/lib/Slic3r/Geometry.pm
+++ b/lib/Slic3r/Geometry.pm
@@ -684,8 +684,8 @@ sub bounding_box {
 sub bounding_box_center {
     my @bounding_box = bounding_box(@_);
     return Slic3r::Point->new(
-        ($bounding_box[X2] - $bounding_box[X1]) / 2,
-        ($bounding_box[Y2] - $bounding_box[Y1]) / 2,
+        ($bounding_box[X2] + $bounding_box[X1]) / 2,
+        ($bounding_box[Y2] + $bounding_box[Y1]) / 2,
     );
 }