Function heron::rapier_plugin::rapier::ncollide::query::distance_ball_ball

pub fn distance_ball_ball<N>(
    center1: &Point<N, U3>, 
    b1: &Ball<N>, 
    center2: &Point<N, U3>, 
    b2: &Ball<N>
) -> N where
    N: RealField, 

Distance between balls.