Function oxygengine_physics_2d::prelude::solver::helper::split_ext_vels

pub fn split_ext_vels<N, B>(
    body1: &B, 
    body2: &B, 
    assembly_id1: usize, 
    assembly_id2: usize, 
    ext_vels: &'a Matrix<N, Dynamic, U1, VecStorage<N, Dynamic, U1>>
) -> (Matrix<N, Dynamic, U1, SliceStorage<'a, N, Dynamic, U1, U1, Dynamic>>, Matrix<N, Dynamic, U1, SliceStorage<'a, N, Dynamic, U1, U1, Dynamic>>) where
    B: Body<N> + ?Sized,
    N: RealField, 

Retrieve the external velocity subvectors for the given bodies.