From 66c64459e6be024f36cda3dd6857af92e529ac01 Mon Sep 17 00:00:00 2001
From: frohlich <frohlich>
Date: Tue, 24 Mar 2009 09:09:00 +0000
Subject: [PATCH] Makes more sense to process the orientation in this order.

Modified Files:
	simgear/scene/model/placement.cxx
---
 simgear/scene/model/placement.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/simgear/scene/model/placement.cxx b/simgear/scene/model/placement.cxx
index 2a3f0d43..9da016ef 100644
--- a/simgear/scene/model/placement.cxx
+++ b/simgear/scene/model/placement.cxx
@@ -53,8 +53,11 @@ SGModelPlacement::update()
   // The orientation, composed from the horizontal local orientation and the
   // orientation wrt the horizontal local frame
   SGQuatd orient = SGQuatd::fromLonLat(_position);
+  orient *= SGQuatd::fromYawPitchRollDeg(_heading_deg, _pitch_deg, _roll_deg);
+  // Convert to the scenegraph orientation where we just rotate around
+  // the y axis 180 degrees.
   orient *= SGQuatd::fromRealImag(0, SGVec3d(0, 1, 0));
-  orient *= SGQuatd::fromYawPitchRollDeg(-_heading_deg, _pitch_deg, -_roll_deg);
+
   _transform->setTransform(position, orient);
 }
 
-- 
2.39.5