Small library for smooth transitions in jME
// add rotation transition
spatial.addControl(new TransitionControl(SpatialChanges.rotation(spatial), 0.35f, SpatialInterpolations.rotateTo(spatial, to), EasingFunction.EASE_IN_OUT_BACK));
// add translation transition
spatial.addControl(new TransitionControl(SpatialChanges.translation(spatial), 0.1f, SpatialInterpolations.translateTo(spatial, to), EasingFunction.EASE_OUT));
// TransitionControl will remove itself from spatial when transition is finished