63 lines
2.1 KiB
Rust
63 lines
2.1 KiB
Rust
use base::{DimName, Scalar, Vector, Vector2, Vector3};
|
|
use storage::Storage;
|
|
use typenum::{self, Cmp, Greater};
|
|
|
|
macro_rules! impl_swizzle {
|
|
($( where $BaseDim: ident: $( $name: ident() -> $Result: ident[$($i: expr),+] ),+ ;)* ) => {
|
|
$(
|
|
impl<N: Scalar, D: DimName, S: Storage<N, D>> Vector<N, D, S>
|
|
where D::Value: Cmp<typenum::$BaseDim, Output=Greater>
|
|
{
|
|
$(
|
|
/// Builds a new vector from components of `self`.
|
|
#[inline]
|
|
pub fn $name(&self) -> $Result<N> {
|
|
$Result::new($(self[$i]),*)
|
|
}
|
|
)*
|
|
}
|
|
)*
|
|
}
|
|
}
|
|
|
|
impl_swizzle!(
|
|
where U0: xx() -> Vector2[0, 0],
|
|
xxx() -> Vector3[0, 0, 0];
|
|
|
|
where U1: xy() -> Vector2[0, 1],
|
|
yx() -> Vector2[1, 0],
|
|
yy() -> Vector2[1, 1],
|
|
xxy() -> Vector3[0, 0, 1],
|
|
xyx() -> Vector3[0, 1, 0],
|
|
xyy() -> Vector3[0, 1, 1],
|
|
yxx() -> Vector3[1, 0, 0],
|
|
yxy() -> Vector3[1, 0, 1],
|
|
yyx() -> Vector3[1, 1, 0],
|
|
yyy() -> Vector3[1, 1, 1];
|
|
|
|
where U2: xz() -> Vector2[0, 2],
|
|
yz() -> Vector2[1, 2],
|
|
zx() -> Vector2[2, 0],
|
|
zy() -> Vector2[2, 1],
|
|
zz() -> Vector2[2, 2],
|
|
xxz() -> Vector3[0, 0, 2],
|
|
xyz() -> Vector3[0, 1, 2],
|
|
xzx() -> Vector3[0, 2, 0],
|
|
xzy() -> Vector3[0, 2, 1],
|
|
xzz() -> Vector3[0, 2, 2],
|
|
yxz() -> Vector3[1, 0, 2],
|
|
yyz() -> Vector3[1, 1, 2],
|
|
yzx() -> Vector3[1, 2, 0],
|
|
yzy() -> Vector3[1, 2, 1],
|
|
yzz() -> Vector3[1, 2, 2],
|
|
zxx() -> Vector3[2, 0, 0],
|
|
zxy() -> Vector3[2, 0, 1],
|
|
zxz() -> Vector3[2, 0, 2],
|
|
zyx() -> Vector3[2, 1, 0],
|
|
zyy() -> Vector3[2, 1, 1],
|
|
zyz() -> Vector3[2, 1, 2],
|
|
zzx() -> Vector3[2, 2, 0],
|
|
zzy() -> Vector3[2, 2, 1],
|
|
zzz() -> Vector3[2, 2, 2];
|
|
);
|