Animationen für die Pixeldecke
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use std::ops::Add;
#[macro_export]
macro_rules! v2 {
( $x:expr, $y:expr ) => {
Vec2::new($x, $y)
};
}
#[derive(Clone, Copy, Debug)]
pub struct Vec2 {
pub x: i32,
pub y: i32,
}
impl Vec2 {
pub fn new(x: i32, y: i32) -> Vec2 {
Vec2 { x, y }
}
pub fn directions() -> Vec<Vec2> {
vec![v2!(1, 0), v2!(0, 1), v2!(-1, 0), v2!(0, -1)]
}
}
impl Add for Vec2 {
type Output = Vec2;
fn add(self, other: Vec2) -> Vec2 {
let x = self.x + other.x;
let y = self.y + other.y;
Vec2 { x, y }
}
}
impl<'a> Add<&'a Vec2> for Vec2 {
type Output = Vec2;
fn add(self, other: &'a Vec2) -> Vec2 {
let x = self.x + other.x;
let y = self.y + other.y;
Vec2 { x, y }
}
}
impl<'a> Add<Vec2> for &'a Vec2 {
type Output = Vec2;
fn add(self, other: Vec2) -> Vec2 {
let x = self.x + other.x;
let y = self.y + other.y;
Vec2 { x, y }
}
}
impl<'a> Add<&'a Vec2> for &'a Vec2 {
type Output = Vec2;
fn add(self, other: &'a Vec2) -> Vec2 {
let x = self.x + other.x;
let y = self.y + other.y;
Vec2 { x, y }
}
}