bevy/crates/bevy_math/src/geometry.rs
2020-08-09 16:13:04 -07:00

83 lines
1.6 KiB
Rust

use glam::Vec2;
use std::ops::{Add, AddAssign};
/// A two dimensional "size" as defined by a width and height
#[derive(Copy, Clone, PartialEq, Debug)]
pub struct Size<T = f32> {
pub width: T,
pub height: T,
}
impl<T> Size<T> {
pub fn new(width: T, height: T) -> Self {
Size { width, height }
}
}
impl<T: Default> Default for Size<T> {
fn default() -> Self {
Self {
width: Default::default(),
height: Default::default(),
}
}
}
/// A rect, as defined by its "side" locations
#[derive(Copy, Clone, PartialEq, Debug)]
pub struct Rect<T> {
pub left: T,
pub right: T,
pub top: T,
pub bottom: T,
}
impl<T> Rect<T> {
pub fn all(value: T) -> Self
where
T: Clone,
{
Rect {
left: value.clone(),
right: value.clone(),
top: value.clone(),
bottom: value,
}
}
}
impl<T: Default> Default for Rect<T> {
fn default() -> Self {
Self {
left: Default::default(),
right: Default::default(),
top: Default::default(),
bottom: Default::default(),
}
}
}
impl<T> Add<Vec2> for Size<T>
where
T: Add<f32, Output = T>,
{
type Output = Size<T>;
fn add(self, rhs: Vec2) -> Self::Output {
Self {
width: self.width + rhs.x(),
height: self.height + rhs.y(),
}
}
}
impl<T> AddAssign<Vec2> for Size<T>
where
T: AddAssign<f32>,
{
fn add_assign(&mut self, rhs: Vec2) {
self.width += rhs.x();
self.height += rhs.y();
}
}