noise_functions/modifiers/
map.rs

1#[cfg(feature = "nightly-simd")]
2use core::simd::{LaneCount, Simd, SupportedLaneCount};
3
4use crate::{Noise, Sample};
5
6/// Maps the output value.
7pub struct Map<N, F> {
8    pub noise: N,
9    pub f: F,
10}
11
12impl<N, F> Noise for Map<N, F> {}
13
14impl<N, F, const DIM: usize> Sample<DIM> for Map<N, F>
15where
16    N: Sample<DIM>,
17    F: Fn(f32) -> f32,
18{
19    #[inline]
20    fn sample_with_seed(&self, point: [f32; DIM], seed: i32) -> f32 {
21        (self.f)(self.noise.sample_with_seed(point, seed))
22    }
23}
24
25#[cfg(feature = "nightly-simd")]
26impl<N, F, const DIM: usize, const LANES: usize> Sample<DIM, Simd<f32, LANES>> for Map<N, F>
27where
28    N: Sample<DIM, Simd<f32, LANES>>,
29    F: Fn(f32) -> f32,
30    LaneCount<LANES>: SupportedLaneCount,
31{
32    #[inline]
33    fn sample_with_seed(&self, point: Simd<f32, LANES>, seed: i32) -> f32 {
34        (self.f)(self.noise.sample_with_seed(point, seed))
35    }
36}