Hi, Sebastian you can get (already computed by cullvisitor) modelview matrix in cull callback. But i think you are overcomplicating things with this approach.
Cheers, Sergey. 24.08.2012, 14:07, "Sebastian Messerschmidt" <[email protected]>: > Hello, > > I'm trying to implement per object motion blur in my deferred pipeline. > In order to get this right, I need the modelview matrix from the > previous frame per node. > To get it I was thinking about using an updateCallback per node that > should contribute to the motion blur. Unfortunately I think this will > get too expensive, as I have to compute the local to world per call. > Also is the updateCallback called if the camera moves? If not I have to > install an callback that is called per frame .. > Any suggestions how to get the last frames modelview matrix? > > cheers > Sebastian > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
