Re: [osg-users] Rotation of Vectors

Joe Abreu wrote: Code: osg::Vec3d position = car.GetPosition(); osg::Quat attitude = osg::Quat( turn_angle, osg::Vec3d(0,0,1) ); osg::Vec3d movement = osg::Vec3d(0,car.CurrentSpeed(),0); // Some way of using a Quat(or whatever) to rotate my movement vector to the correct heading based on 'angl

Re: [osg-users] Rotation of Vectors

Joe Abreu wrote: Hi, I understand the concept of matricies, Vectors and Points in 3d Space. I have learnt this at University. I have an issue trying to understand the concept of OpenSceneGraphs use of Quaternions and "attitude". I do not really get what Attitude is, I'm used to the concepts

[osg-users] Rotation of Vectors

Hi, I understand the concept of matricies, Vectors and Points in 3d Space. I have learnt this at University. I have an issue trying to understand the concept of OpenSceneGraphs use of Quaternions and "attitude". I do not really get what Attitude is, I'm used to the concepts of Translate,Rotat