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