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#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
pub struct Vec2<T> {
pub x: T,
pub y: T,
}
impl Vec2<isize> {
pub const ZERO: Vec2<isize> = Vec2 { x: 0, y: 0 };
pub const UP: Vec2<isize> = Vec2 { x: 0, y: -1 };
pub const LEFT: Vec2<isize> = Vec2 { x: -1, y: 0 };
}
impl Vec2<f32> {
pub const ZERO: Vec2<f32> = Vec2 { x: 0.0, y: 0.0 };
pub const UP: Vec2<f32> = Vec2 { x: 0.0, y: -1.0 };
pub const LEFT: Vec2<f32> = Vec2 { x: -1.0, y: 0.0 };
}
impl<T: std::ops::Div<Output = T> + Copy> Vec2<T> {
pub fn downscale(&self, f: T) -> Self {
Self {
x: self.x / f,
y: self.y / f,
}
}
}
impl Vec2<isize> {
pub fn x_only(&self) -> Self {
Self { x: self.x, y: 0 }
}
pub fn y_only(&self) -> Self {
Self { x: self.x, y: 0 }
}
}
impl Into<Vec2<f32>> for Vec2<isize> {
fn into(self) -> Vec2<f32> {
Vec2 {
x: self.x as f32,
y: self.y as f32,
}
}
}
impl From<(isize, isize)> for Vec2<f32> {
fn from((x, y): (isize, isize)) -> Self {
Vec2 {
x: x as f32,
y: y as f32,
}
}
}
impl<T: std::ops::Add> std::ops::Add for Vec2<T> {
type Output = Vec2<T::Output>;
#[inline]
fn add(self, rhs: Self) -> Self::Output {
Vec2 {
x: self.x + rhs.x,
y: self.y + rhs.y,
}
}
}
impl<T: std::ops::Sub> std::ops::Sub for Vec2<T> {
type Output = Vec2<T::Output>;
#[inline]
fn sub(self, rhs: Self) -> Self::Output {
Vec2 {
x: self.x - rhs.x,
y: self.y - rhs.y,
}
}
}
impl<T: std::ops::Mul> std::ops::Mul for Vec2<T> {
type Output = Vec2<T::Output>;
#[inline]
fn mul(self, rhs: Self) -> Self::Output {
Vec2 {
x: self.x * rhs.x,
y: self.y * rhs.y,
}
}
}
impl<T> From<(T, T)> for Vec2<T> {
#[inline]
fn from((x, y): (T, T)) -> Self {
Vec2 { x, y }
}
}
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