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use crate::*;
use std::fmt;
use std::ops::{Add, Sub, AddAssign, SubAssign};
#[derive(Copy, Clone, PartialEq)]
pub struct Point<O: Internal> {
pub x: O,
pub y: O,
}
pub trait HasPosition<O: Internal> {
fn position(&self) -> Point<O>;
fn x(&self) -> O {
self.position().x
}
fn y(&self) -> O {
self.position().y
}
}
impl<O: Internal> Point<O> {
pub const ZERO: Self = Self { x: O::ZERO, y: O::ZERO };
pub const fn new(x: O, y: O) -> Point<O> {
Point { x, y }
}
pub fn is_zero(&self) -> bool {
self.x == O::ZERO && self.y == O::ZERO
}
}
impl<O: Internal> HasPosition<O> for Point<O> {
fn position(&self) -> Point<O> {
*self
}
}
impl<O: Internal> Add<Point<O>> for Point<O> {
type Output = Self;
fn add(self, point: Point<O>) -> Self {
Point::new(self.x + point.x, self.y + point.y)
}
}
impl<O: Internal> Sub<Point<O>> for Point<O> {
type Output = Self;
fn sub(self, point: Point<O>) -> Self {
Point::new(self.x - point.x, self.y - point.y)
}
}
impl<O: Internal> AddAssign<Point<O>> for Point<O> {
fn add_assign(&mut self, point: Point<O>) {
self.x += point.x;
self.y += point.y;
}
}
impl<O: Internal> SubAssign<Point<O>> for Point<O> {
fn sub_assign(&mut self, point: Point<O>) {
self.x -= point.x;
self.y -= point.y;
}
}
impl<T: Internal> fmt::Debug for Point<T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Point {{ x:{:?} y:{:?} }}", self.x, self.y)
}
}
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