HI Bram,
On 14 September 2014 13:23, Bram Vaessen <bram.vaes...@gmail.com> wrote: > Hi, > > I'm a little confused about something simple... the order in which to add > MatrixTransform. > > For example I want to rotate something around x,y,z using 3 > matrixtransforms. > > as I understand I can do this by: > -translate(-x,-y,-z) > -rotate > -translate(x,y,z) > > when I add them, which is the correct order? > > -root-> translate(-x,-y,-z) -> rotate -> translate(x,y,z) -> geode > > or... > > -root-> translate(x,y,z) -> rotate -> translate(-x,-y,-z) -> geode > The second version is the correct one. You can of course do this all with a single PositionAttitudeTransform or a single Transform node, this will be neater and lead to better performance. Robert.
_______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
