Function newton::collision::closest_point

pub fn closest_point<A, B>(
    newton: &Newton, 
    col_a: &A, 
    mat_a: Mat4, 
    col_b: &B, 
    mat_b: Mat4, 
    thread_idx: usize
) -> Option<ClosestPoint> where
    A: ConvexShape,
    B: ConvexShape, 

Returns the closest point between two convex collisions.