@brief Return the current accumulated force vector.
@return points to an array of 3 reals.
@remarks
The returned values are pointers to internal data structures, so
the vectors are only valid until any changes are made to the rigid
body system.
@ingroup bodies
@brief Return the current accumulated force vector. @return points to an array of 3 reals. @remarks The returned values are pointers to internal data structures, so the vectors are only valid until any changes are made to the rigid body system. @ingroup bodies