Revision: 8232
http://playerstage.svn.sourceforge.net/playerstage/?rev=8232&view=rev
Author: hsujohnhsu
Date: 2009-08-26 17:30:15 +0000 (Wed, 26 Aug 2009)
Log Message:
-----------
set invalid quaternion to identity on construction.
Modified Paths:
--------------
code/gazebo/trunk/server/Quatern.cc
Modified: code/gazebo/trunk/server/Quatern.cc
===================================================================
--- code/gazebo/trunk/server/Quatern.cc 2009-08-26 17:27:57 UTC (rev 8231)
+++ code/gazebo/trunk/server/Quatern.cc 2009-08-26 17:30:15 UTC (rev 8232)
@@ -33,7 +33,12 @@
Quatern::Quatern()
: u(1), x(0), y(0), z(0)
{
-
+ if ( u == 0 && x == 0 && y == 0 && z == 0 )
+ {
+ /// @todo: give user warning
+ this->SetToIdentity();
+ }
+ this->Normalize();
}
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