good afternoon- I was looking at the NPS tutorials and it was mentioned in tutorial 11.1that a osgGA::TrackerManipulator can be used to attach a camera to a node.
I tried this, (by attaching the TrackerManipulator to the node in question, then manually setting my view matrix using the TrackerManipulator's getMatrix() ) and while the camera follows the path of my node through space as it moves (it is scripted), I don't see my node. I did set a minimum following distance. Could someone either point me to a tutorial or give me a quick overview of how to a TrackerManipulator? Ultimately I'm trying to make a camera I can orbit around a moving vehicle, keeping focus on the vehicle (I presume some if not all of this functionality exists, I'm just not seeing it ... ) . Right now I'm manually calculating it using spherical coordinates, retrieving the position of my target node, and using makeLookAt() to generate a matrix. Thanks, Philip
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