Ray Tracer Tuple

tuple.rs

use std::ops::{Add, Div, Mul, Neg, Sub};

struct Tuple(i32, i32, i32, i32);

impl Neg for Tuple {
    type Output = Self;

    fn neg(self) -> Self::Output {
        let Self(x, y, z, w) = self;
        Self(-x, -y, -z, -w)
    }
}

impl Add for Tuple {
    type Output = Self;

    fn add(self, rhs: Self) -> Self::Output {
        let (Self(x1, y1, z1, w1), Self(x2, y2, z2, w2)) = (self, rhs);
        Self(x1 + x2, y1 + y2, z1 + z2, w1 + w2)
    }
}

impl Sub for Tuple {
    type Output = Self;

    fn sub(self, rhs: Self) -> Self::Output {
        let (Self(x1, y1, z1, w1), Self(x2, y2, z2, w2)) = (self, rhs);
        Self(x1 - x2, y1 - y2, z1 - z2, w1 - w2)
    }
}

impl Mul for Tuple {
    type Output = Self;

    fn mul(self, rhs: Self) -> Self::Output {
        let (Self(x1, y1, z1, w1), Self(x2, y2, z2, w2)) = (self, rhs);
        Self(x1 * x2, y1 * y2, z1 * z2, w1 * w2)
    }
}

impl Div for Tuple {
    type Output = Self;

    fn div(self, rhs: Self) -> Self::Output {
        let (Self(x1, y1, z1, w1), Self(x2, y2, z2, w2)) = (self, rhs);
        Self(x1 / x2, y1 / y2, z1 / z2, w1 / w2)
    }
}