Function nphysics3d::solver::helper::split_ext_vels

pub fn split_ext_vels<'a, N: RealField, B: ?Sized + Body<N>>(
    body1: &B, 
    body2: &B, 
    assembly_id1: usize, 
    assembly_id2: usize, 
    ext_vels: &'a DVector<N>
) -> (DVectorSlice<'a, N>, DVectorSlice<'a, N>)

Retrieve the external velocity subvectors for the given bodies.