Function point_cuboid_find_local_separating_normal_oneway 

pub fn point_cuboid_find_local_separating_normal_oneway(
    point1: Point<f64>,
    normal1: Option<Unit<Vector<f64>>>,
    shape2: &Cuboid,
    pos12: &Isometry<f64>,
) -> (f64, Vector<f64>)

Computes the separation between a point and a cuboid, along the given direction normal1.