3d viewpoint movement

[spacefarer]

I guess so. I just add the following two lines to your script, and tested comment/uncomment them. When you uncomment them, the head tracker of the HMD works, but rotation of SpaceBall doesn't work. If you comment them, SpaceBall works in 6DOF.
---
visor = viz.add( 'eMagin.dls' )
viz.link( visor, viz.MainView )
---