b.com/integeruser/jgltut for info, updates and license terms.
Part II. Positioning Chapter 8. Getting Oriented http://www.arcsynthesis.org/gltut/Positioning/Tutorial%2008.html
SPACE - toggles between regular linear interpolation and slerp. Q,W,E,R,T,Y,U - cause the ship to interpolate to a new orientation.
@author integeruser