#[derive(Clone, Debug, Copy)]
struct Plane {
a: f32,
b: f32,
c: f32,
d: f32
}
impl Plane {
pub fn new(
a_f32: f32,
b_f32: f32,
c_f32: f32,
d_f32: f32
) -> Plane {
Plane {
a: a_f32,
b: b_f32,
c: b_f32,
d: d_f32