65 lines
1.2 KiB
Rust
65 lines
1.2 KiB
Rust
use std::ops::Add;
|
|
|
|
#[macro_export]
|
|
macro_rules! v2 {
|
|
( $x:expr, $y:expr ) => {
|
|
Vec2d::new($x, $y)
|
|
};
|
|
}
|
|
|
|
#[derive(Clone, Copy, Debug)]
|
|
pub struct Vec2d {
|
|
pub x: i32,
|
|
pub y: i32,
|
|
}
|
|
|
|
impl Vec2d {
|
|
pub fn new(x: i32, y: i32) -> Vec2d {
|
|
Vec2d { x, y }
|
|
}
|
|
|
|
pub fn directions() -> Vec<Vec2d> {
|
|
vec![v2!(1, 0), v2!(0, 1), v2!(-1, 0), v2!(0, -1)]
|
|
}
|
|
}
|
|
|
|
impl Add for Vec2d {
|
|
type Output = Vec2d;
|
|
|
|
fn add(self, other: Vec2d) -> Vec2d {
|
|
let x = self.x + other.x;
|
|
let y = self.y + other.y;
|
|
Vec2d { x, y }
|
|
}
|
|
}
|
|
|
|
impl<'a> Add<&'a Vec2d> for Vec2d {
|
|
type Output = Vec2d;
|
|
|
|
fn add(self, other: &'a Vec2d) -> Vec2d {
|
|
let x = self.x + other.x;
|
|
let y = self.y + other.y;
|
|
Vec2d { x, y }
|
|
}
|
|
}
|
|
|
|
impl<'a> Add<Vec2d> for &'a Vec2d {
|
|
type Output = Vec2d;
|
|
|
|
fn add(self, other: Vec2d) -> Vec2d {
|
|
let x = self.x + other.x;
|
|
let y = self.y + other.y;
|
|
Vec2d { x, y }
|
|
}
|
|
}
|
|
|
|
impl<'a> Add<&'a Vec2d> for &'a Vec2d {
|
|
type Output = Vec2d;
|
|
|
|
fn add(self, other: &'a Vec2d) -> Vec2d {
|
|
let x = self.x + other.x;
|
|
let y = self.y + other.y;
|
|
Vec2d { x, y }
|
|
}
|
|
}
|