why dont you do:
Code:
var joy_Xforce = joy_force.x;
joy_Xforce = clamp(joy_Xforce, 0, 2);
var joy_Yforce = joy_force.y;
joy_Yforce = clamp(joy_Yforce, 0, 2);
c_rotate(me,vector((joy_Xforce-joy_Yforce))*10*time_step,my_angle.tilt-my.tilt,my_angle.roll-my.roll),glide);
made from the top of my head, so i didnt test it, might be a bit bugged, but should work.
regards,