Makes more sense to process the orientation in this order.

Modified Files: simgear/scene/model/placement.cxx
2009-03-30 18:42:45 +02:00
parent dc8657f57f
commit 66c64459e6
1 changed files with 4 additions and 1 deletions
@@ -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);
 }