Hi Harash, Moving the vehicle can be done via osg::AnimationPathCallback attached to a MatrixTransform.
Tracking the vehicle will require something along the lines of NodeTrackerManipulator - you'll need to accumulate the world transform on every frame and compute the view matrix accordingly. How best to compute this is your problem, I could point you in the right direction but it's not my role to teach you how to write your application. Robert. On 10/3/07, Harash Sharma <[EMAIL PROTECTED]> wrote: > Hi Robert, > > I am trying to simulate observation of an object from a vehicle. The > task is as follows: > > 1. The observer is placed in a moving vehicle that is following a > pre-programmed path. > 2. The observer is constantly looking at a fixed (or moving) object from > within this vehicle. > > How do I achieve this effect? > > I have tried using the NodeTrackerManipulator. I have derived a class from > this. The node to be tracked is placed within this vehicle. Override the > handle function. > > But how to compute the view matrices? And is the procedure proper or is > there any better mechanism? Thanks in advance. > > Regards > > Harash > > ________________________________ > Need a vacation? Get great deals to amazing places on Yahoo! Travel. > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
