you just need something like this :

modifier skill2 with mouse

Code:
my.skill2 += 5 * mouse_force.x;


now add skill to ent_bonerotate
Code:
ent_bonerotate(me, "waist", vector(0,my.skill2,0);



this code just give you a start for how to use mouse with bone

A8 Engine Pro
https://www.youtube.com/user/dicoworld/videos?flow=grid&view=0
My projects to sell
http://www.opserver.de/ubb7/ubbthreads.php?ubb=showflat&Number=429466&page=1