nalgebra/src/geometry/transform_conversion.rs

75 lines
2.1 KiB
Rust

use alga::general::{Real, SubsetOf};
use base::allocator::Allocator;
use base::dimension::{DimName, DimNameAdd, DimNameSum, U1};
use base::{DefaultAllocator, MatrixN};
use geometry::{SuperTCategoryOf, TCategory, Transform};
impl<N1, N2, D: DimName, C1, C2> SubsetOf<Transform<N2, D, C2>> for Transform<N1, D, C1>
where
N1: Real + SubsetOf<N2>,
N2: Real,
C1: TCategory,
C2: SuperTCategoryOf<C1>,
D: DimNameAdd<U1>,
DefaultAllocator: Allocator<N1, DimNameSum<D, U1>, DimNameSum<D, U1>>
+ Allocator<N2, DimNameSum<D, U1>, DimNameSum<D, U1>>,
N1::Epsilon: Copy,
N2::Epsilon: Copy,
{
#[inline]
fn to_superset(&self) -> Transform<N2, D, C2> {
Transform::from_matrix_unchecked(self.to_homogeneous().to_superset())
}
#[inline]
fn is_in_subset(t: &Transform<N2, D, C2>) -> bool {
<Self as SubsetOf<_>>::is_in_subset(t.matrix())
}
#[inline]
unsafe fn from_superset_unchecked(t: &Transform<N2, D, C2>) -> Self {
Self::from_superset_unchecked(t.matrix())
}
}
impl<N1, N2, D: DimName, C> SubsetOf<MatrixN<N2, DimNameSum<D, U1>>> for Transform<N1, D, C>
where
N1: Real + SubsetOf<N2>,
N2: Real,
C: TCategory,
D: DimNameAdd<U1>,
DefaultAllocator: Allocator<N1, DimNameSum<D, U1>, DimNameSum<D, U1>>
+ Allocator<N2, DimNameSum<D, U1>, DimNameSum<D, U1>>,
N1::Epsilon: Copy,
N2::Epsilon: Copy,
{
#[inline]
fn to_superset(&self) -> MatrixN<N2, DimNameSum<D, U1>> {
self.matrix().to_superset()
}
#[inline]
fn is_in_subset(m: &MatrixN<N2, DimNameSum<D, U1>>) -> bool {
C::check_homogeneous_invariants(m)
}
#[inline]
unsafe fn from_superset_unchecked(m: &MatrixN<N2, DimNameSum<D, U1>>) -> Self {
Transform::from_matrix_unchecked(::convert_ref_unchecked(m))
}
}
impl<N: Real, D: DimName, C> From<Transform<N, D, C>> for MatrixN<N, DimNameSum<D, U1>>
where
D: DimNameAdd<U1>,
C: TCategory,
DefaultAllocator: Allocator<N, DimNameSum<D, U1>, DimNameSum<D, U1>>,
{
#[inline]
fn from(t: Transform<N, D, C>) -> Self {
t.to_homogeneous()
}
}