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use crate::noise_fns::NoiseFn;
use core::marker::PhantomData;
pub struct Clamp<T, Source, const DIM: usize>
where
Source: NoiseFn<T, DIM>,
{
pub source: Source,
pub bounds: (f64, f64),
phantom: PhantomData<T>,
}
impl<T, Source, const DIM: usize> Clamp<T, Source, DIM>
where
Source: NoiseFn<T, DIM>,
{
pub fn new(source: Source) -> Self {
Self {
source,
bounds: (-1.0, 1.0),
phantom: PhantomData,
}
}
pub fn set_lower_bound(self, lower_bound: f64) -> Self {
Self {
bounds: (lower_bound, self.bounds.1),
..self
}
}
pub fn set_upper_bound(self, upper_bound: f64) -> Self {
Self {
bounds: (self.bounds.0, upper_bound),
..self
}
}
pub fn set_bounds(self, lower_bound: f64, upper_bound: f64) -> Self {
Self {
bounds: (lower_bound, upper_bound),
..self
}
}
}
impl<T, Source, const DIM: usize> NoiseFn<T, DIM> for Clamp<T, Source, DIM>
where
Source: NoiseFn<T, DIM>,
{
fn get(&self, point: [T; DIM]) -> f64 {
let value = self.source.get(point);
value.clamp(self.bounds.0, self.bounds.1)
}
}