use std::ops::*;

#[derive(Debug, Default, Clone, Copy, Hash, PartialEq, Eq)]
pub struct Vec2d {
    pub x: i8,
    pub y: i8,
}

impl Vec2d {
    pub const fn new(x: i8, y: i8) -> Vec2d {
        Vec2d { x, y }
    }
    pub fn magnitude_squared(&self) -> i8 {
        self.x
            .saturating_pow(2)
            .saturating_add(self.y.saturating_pow(2))
    }
}

impl Add for Vec2d {
    type Output = Self;

    fn add(self, other: Self) -> Self {
        Vec2d {
            x: self.x.saturating_add(other.x),
            y: self.y.saturating_add(other.y),
        }
    }
}

impl Sub for Vec2d {
    type Output = Self;

    fn sub(self, other: Self) -> Self {
        Vec2d {
            x: self.x.saturating_sub(other.x),
            y: self.y.saturating_sub(other.y),
        }
    }
}

impl Mul<i8> for Vec2d {
    type Output = Self;

    fn mul(self, other: i8) -> Self {
        Vec2d {
            x: self.x.saturating_mul(other),
            y: self.y.saturating_mul(other),
        }
    }
}

impl Neg for Vec2d {
    type Output = Self;

    fn neg(self) -> Self {
        Vec2d {
            x: -self.x,
            y: -self.y,
        }
    }
}