i → used_offset
iveloc → initial_velocity
res → result
vdiff → velocity_diff
vfac → velocity_factor
tmp → tracker_velocity
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Simon Thum <simon.thum@gmx.de>