fix recentering

Signed-off-by: Stanislaw Halik <sthalik@misaki.pl>
fix x-plane 9 librt

Signed-off-by: Stanislaw Halik <sthalik@misaki.pl>
update plugin. now using radians in shm

Signed-off-by: Stanislaw Halik <sthalik@misaki.pl>
use proper origin

Signed-off-by: Stanislaw Halik <sthalik@misaki.pl>