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pub struct Vec2 {
pub x: f32,
pub y: f32,
}
impl std::ops::Add for Vec2 {
type Output = Self;
fn add(self, other: Self) -> Self {
Self {
x: x + other.x,
y: y + other.y
}
}
}
impl std::ops::Sub for Vec2 {
type Output = Self;
fn sub(self, other: Self) -> Self {
Self {
x: x - other.x,
y: y - other.y
}
}
}
impl std::ops::Neg for Vec2 {
type Output = Self;
fn sub(self) -> Self {
Self {
x: -x,
y: -y
}
}
}
impl std::cmp::PartialEq for Vec2 {
type Output = bool;
fn eq(&self, other: &Self) -> bool {
f32::abs(self.x - other.x) < 1e-8
&& f32::abs(self.y - other.y) < 1e-8
}
}
impl std::cmp::Eq for Vec2 {}
impl Vec2 {
pub fn distance(&self) -> f32 {
f32::sqrt(self.distance2)
}
pub fn distance2(&self) -> f32 {
self.x * self.x + self.y * self.y
}
}
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