Files
shinespark/src/math/vec.rs
T

116 lines
2.2 KiB
Rust

use bevy::math::Vec2;
use std::ops::{Add, Div, Mul, Sub};
use super::int::FGi32;
#[derive(Clone, Copy, PartialEq)]
pub struct FGVec2 {
pub x: FGi32,
pub y: FGi32,
}
impl FGVec2 {
pub const ZERO: Self = Self::new(FGi32::ZERO, FGi32::ZERO);
#[inline(always)]
pub const fn new(x: FGi32, y: FGi32) -> Self {
Self { x, y }
}
#[inline(always)]
pub fn from_i32(x: i32, y: i32) -> Self {
Self {
x: FGi32::from_num(x),
y: FGi32::from_num(y),
}
}
#[inline]
pub fn length_squared(&self) -> FGi32 {
self.x * self.x + self.y * self.y
}
#[inline]
pub fn length(&self) -> FGi32 {
(self.x * self.x + self.y * self.y).sqrt()
}
#[inline]
pub fn normalized_or_zero(&self) -> Self {
let len = self.length();
if len.is_zero() {
Self::ZERO
} else {
self / len
}
}
#[inline]
pub fn to_vec2(&self) -> Vec2 {
Vec2::new(self.x.to_num(), self.y.to_num())
}
}
impl Mul for FGVec2 {
type Output = Self;
#[inline]
fn mul(self, rhs: Self) -> Self::Output {
Self::new(self.x * rhs.x, self.y * rhs.y)
}
}
impl Add for FGVec2 {
type Output = Self;
#[inline]
fn add(self, rhs: Self) -> Self::Output {
Self::new(self.x + rhs.x, self.y + rhs.y)
}
}
impl Sub for FGVec2 {
type Output = Self;
#[inline]
fn sub(self, rhs: Self) -> Self::Output {
Self::new(self.x - rhs.x, self.y - rhs.y)
}
}
impl Div for FGVec2 {
type Output = Self;
#[inline]
fn div(self, rhs: Self) -> Self::Output {
Self::new(self.x / rhs.x, self.y / rhs.y)
}
}
impl Mul<FGi32> for FGVec2 {
type Output = Self;
#[inline]
fn mul(self, rhs: FGi32) -> Self::Output {
Self::new(self.x * rhs, self.y * rhs)
}
}
impl Div<FGi32> for FGVec2 {
type Output = Self;
#[inline]
fn div(self, rhs: FGi32) -> Self::Output {
Self::new(self.x / rhs, self.y / rhs)
}
}
impl Div<FGi32> for &FGVec2 {
type Output = FGVec2;
#[inline]
fn div(self, rhs: FGi32) -> Self::Output {
(*self).div(rhs)
}
}