nalgebra/src/geometry/transform_conversion.rs
2021-04-11 13:57:54 +02:00

80 lines
2.4 KiB
Rust

use simba::scalar::{RealField, SubsetOf};
use crate::base::allocator::Allocator;
use crate::base::dimension::{DimNameAdd, DimNameSum, U1};
use crate::base::{Const, DefaultAllocator, OMatrix};
use crate::geometry::{SuperTCategoryOf, TCategory, Transform};
impl<T1, T2, C1, C2, const D: usize> SubsetOf<Transform<T2, C2, D>> for Transform<T1, C1, D>
where
T1: RealField + SubsetOf<T2>,
T2: RealField,
C1: TCategory,
C2: SuperTCategoryOf<C1>,
Const<D>: DimNameAdd<U1>,
DefaultAllocator: Allocator<T1, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>
+ Allocator<T2, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>,
T1::Epsilon: Copy,
T2::Epsilon: Copy,
{
#[inline]
fn to_superset(&self) -> Transform<T2, C2, D> {
Transform::from_matrix_unchecked(self.to_homogeneous().to_superset())
}
#[inline]
fn is_in_subset(t: &Transform<T2, C2, D>) -> bool {
<Self as SubsetOf<_>>::is_in_subset(t.matrix())
}
#[inline]
fn from_superset_unchecked(t: &Transform<T2, C2, D>) -> Self {
Self::from_superset_unchecked(t.matrix())
}
}
impl<T1, T2, C, const D: usize>
SubsetOf<OMatrix<T2, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>>
for Transform<T1, C, D>
where
T1: RealField + SubsetOf<T2>,
T2: RealField,
C: TCategory,
Const<D>: DimNameAdd<U1>,
DefaultAllocator: Allocator<T1, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>
+ Allocator<T2, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>,
T1::Epsilon: Copy,
T2::Epsilon: Copy,
{
#[inline]
fn to_superset(&self) -> OMatrix<T2, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>> {
self.matrix().to_superset()
}
#[inline]
fn is_in_subset(m: &OMatrix<T2, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>) -> bool {
C::check_homogeneous_invariants(m)
}
#[inline]
fn from_superset_unchecked(
m: &OMatrix<T2, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>,
) -> Self {
Self::from_matrix_unchecked(crate::convert_ref_unchecked(m))
}
}
impl<T: RealField, C, const D: usize> From<Transform<T, C, D>>
for OMatrix<T, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>
where
Const<D>: DimNameAdd<U1>,
C: TCategory,
DefaultAllocator: Allocator<T, DimNameSum<Const<D>, U1>, DimNameSum<Const<D>, U1>>,
{
#[inline]
fn from(t: Transform<T, C, D>) -> Self {
t.to_homogeneous()
}
}