Error in cube disappearing was due to bad rotation matrix. It came down to the calculation of alpha in TestHCI.cpp. But now the cube doesn't rotate much at all.
Error in cube disappearing was due to bad rotation matrix. It came down to the calculation of alpha in TestHCI.cpp. But now the cube doesn't rotate much at all.

tinker-lab/AnchoredGestures,tinker-lab/AnchoredGestures