Add coordinates access to translations.

Fix #509.
This commit is contained in:
sebcrozet 2018-12-26 15:18:03 +01:00
parent cae2be5cad
commit a14d8a4cb2
2 changed files with 45 additions and 0 deletions

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@ -37,6 +37,7 @@ mod translation_alga;
mod translation_alias;
mod translation_construction;
mod translation_conversion;
mod translation_coordinates;
mod translation_ops;
mod isometry;

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@ -0,0 +1,44 @@
use std::mem;
use std::ops::{Deref, DerefMut};
use base::allocator::Allocator;
use base::coordinates::{X, XY, XYZ, XYZW, XYZWA, XYZWAB};
use base::dimension::{U1, U2, U3, U4, U5, U6};
use base::{DefaultAllocator, Scalar};
use geometry::Translation;
/*
*
* Give coordinates to Translation{1 .. 6}
*
*/
macro_rules! deref_impl(
($D: ty, $Target: ident $(, $comps: ident)*) => {
impl<N: Scalar> Deref for Translation<N, $D>
where DefaultAllocator: Allocator<N, $D> {
type Target = $Target<N>;
#[inline]
fn deref(&self) -> &Self::Target {
unsafe { mem::transmute(self) }
}
}
impl<N: Scalar> DerefMut for Translation<N, $D>
where DefaultAllocator: Allocator<N, $D> {
#[inline]
fn deref_mut(&mut self) -> &mut Self::Target {
unsafe { mem::transmute(self) }
}
}
}
);
deref_impl!(U1, X, x);
deref_impl!(U2, XY, x, y);
deref_impl!(U3, XYZ, x, y, z);
deref_impl!(U4, XYZW, x, y, z, w);
deref_impl!(U5, XYZWA, x, y, z, w, a);
deref_impl!(U6, XYZWAB, x, y, z, w, a, b);