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use crate::core::traits::vector::*;
use crate::{BVec2, DVec3, IVec3, UVec3, Vec3, XY};
#[cfg(not(target_arch = "spirv"))]
use core::fmt;
use core::{f32, ops::*};
#[cfg(not(feature = "std"))]
use num_traits::Float;
#[cfg(feature = "std")]
use std::iter::{Product, Sum};
macro_rules! impl_vec2_common_methods {
($t:ty, $vec2:ident, $vec3:ident, $mask:ident, $inner:ident) => {
pub const ZERO: Self = Self($inner::ZERO);
pub const ONE: Self = Self($inner::ONE);
pub const X: Self = Self($inner::X);
pub const Y: Self = Self($inner::Y);
pub const AXES: [Self; 2] = [Self::X, Self::Y];
#[inline(always)]
pub fn new(x: $t, y: $t) -> $vec2 {
Self(Vector2::new(x, y))
}
#[inline(always)]
pub fn extend(self, z: $t) -> $vec3 {
$vec3::new(self.x, self.y, z)
}
#[inline(always)]
pub fn to_array(&self) -> [$t; 2] {
[self.x, self.y]
}
impl_vecn_common_methods!($t, $vec2, $mask, $inner, Vector2);
};
}
macro_rules! impl_vec2_signed_methods {
($t:ty, $vec2:ident, $vec3:ident, $mask:ident, $inner:ident) => {
impl_vec2_common_methods!($t, $vec2, $vec3, $mask, $inner);
impl_vecn_signed_methods!($t, $vec2, $mask, $inner, SignedVector2);
#[inline(always)]
pub fn perp(self) -> Self {
Self(self.0.perp())
}
#[inline(always)]
pub fn perp_dot(self, other: $vec2) -> $t {
self.0.perp_dot(other.0)
}
};
}
macro_rules! impl_vec2_float_methods {
($t:ty, $vec2:ident, $vec3:ident, $mask:ident, $inner:ident) => {
impl_vec2_signed_methods!($t, $vec2, $vec3, $mask, $inner);
impl_vecn_float_methods!($t, $vec2, $mask, $inner, FloatVector2);
#[inline(always)]
pub fn angle_between(self, other: Self) -> $t {
self.0.angle_between(other.0)
}
};
}
macro_rules! impl_vec2_common_traits {
($t:ty, $new:ident, $vec2:ident, $vec3:ident, $mask:ident, $inner:ident) => {
#[inline(always)]
pub fn $new(x: $t, y: $t) -> $vec2 {
$vec2::new(x, y)
}
#[cfg(not(target_arch = "spirv"))]
impl fmt::Display for $vec2 {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "[{}, {}]", self.x, self.y)
}
}
#[cfg(not(target_arch = "spirv"))]
impl fmt::Debug for $vec2 {
fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
fmt.debug_tuple(stringify!($vec2))
.field(&self.x)
.field(&self.y)
.finish()
}
}
impl From<($t, $t)> for $vec2 {
#[inline(always)]
fn from(t: ($t, $t)) -> Self {
Self($inner::from_tuple(t))
}
}
impl From<$vec2> for ($t, $t) {
#[inline(always)]
fn from(v: $vec2) -> Self {
v.0.into_tuple()
}
}
impl Deref for $vec2 {
type Target = XY<$t>;
#[inline(always)]
fn deref(&self) -> &Self::Target {
self.0.as_ref_xy()
}
}
impl DerefMut for $vec2 {
#[inline(always)]
fn deref_mut(&mut self) -> &mut Self::Target {
self.0.as_mut_xy()
}
}
impl_vecn_common_traits!($t, 2, $vec2, $inner, Vector2);
};
}
macro_rules! impl_vec2_unsigned_traits {
($t:ty, $new:ident, $vec2:ident, $vec3:ident, $mask:ident, $inner:ident) => {
impl_vec2_common_traits!($t, $new, $vec2, $vec3, $mask, $inner);
};
}
macro_rules! impl_vec2_signed_traits {
($t:ty, $new:ident, $vec2:ident, $vec3:ident, $mask:ident, $inner:ident) => {
impl_vec2_common_traits!($t, $new, $vec2, $vec3, $mask, $inner);
impl_vecn_signed_traits!($t, 2, $vec2, $inner, SignedVector2);
};
}
type XYF32 = XY<f32>;
#[derive(Clone, Copy)]
#[repr(transparent)]
pub struct Vec2(pub(crate) XYF32);
impl Vec2 {
impl_vec2_float_methods!(f32, Vec2, Vec3, BVec2, XYF32);
impl_vecn_as_f64!(DVec2, x, y);
impl_vecn_as_i32!(IVec2, x, y);
impl_vecn_as_u32!(UVec2, x, y);
}
impl_vec2_signed_traits!(f32, vec2, Vec2, Vec3, BVec2, XYF32);
type XYF64 = XY<f64>;
#[derive(Clone, Copy)]
#[repr(transparent)]
pub struct DVec2(pub(crate) XYF64);
impl DVec2 {
impl_vec2_float_methods!(f64, DVec2, DVec3, BVec2, XYF64);
impl_vecn_as_f32!(Vec2, x, y);
impl_vecn_as_i32!(IVec2, x, y);
impl_vecn_as_u32!(UVec2, x, y);
}
impl_vec2_signed_traits!(f64, dvec2, DVec2, DVec3, BVec2, XYF64);
type XYI32 = XY<i32>;
#[derive(Clone, Copy)]
#[repr(transparent)]
pub struct IVec2(pub(crate) XYI32);
impl IVec2 {
impl_vec2_signed_methods!(i32, IVec2, IVec3, BVec2, XYI32);
impl_vecn_as_f32!(Vec2, x, y);
impl_vecn_as_f64!(DVec2, x, y);
impl_vecn_as_u32!(UVec2, x, y);
}
impl_vec2_signed_traits!(i32, ivec2, IVec2, IVec3, BVec2, XYI32);
impl_vecn_eq_hash_traits!(i32, 2, IVec2);
type XYU32 = XY<u32>;
#[derive(Clone, Copy)]
#[repr(transparent)]
pub struct UVec2(pub(crate) XYU32);
impl UVec2 {
impl_vec2_common_methods!(u32, UVec2, UVec3, BVec2, XYU32);
impl_vecn_as_f32!(Vec2, x, y);
impl_vecn_as_f64!(DVec2, x, y);
impl_vecn_as_i32!(IVec2, x, y);
}
impl_vec2_unsigned_traits!(u32, uvec2, UVec2, UVec3, BVec2, XYU32);
impl_vecn_eq_hash_traits!(u32, 2, UVec2);
mod const_test_vec2 {
const_assert_eq!(4, core::mem::align_of::<super::Vec2>());
const_assert_eq!(8, core::mem::size_of::<super::Vec2>());
}
mod const_test_dvec2 {
const_assert_eq!(8, core::mem::align_of::<super::DVec2>());
const_assert_eq!(16, core::mem::size_of::<super::DVec2>());
}
mod const_test_ivec2 {
const_assert_eq!(4, core::mem::align_of::<super::IVec2>());
const_assert_eq!(8, core::mem::size_of::<super::IVec2>());
}
mod const_test_uvec2 {
const_assert_eq!(4, core::mem::align_of::<super::UVec2>());
const_assert_eq!(8, core::mem::size_of::<super::UVec2>());
}