use crate::noise_fns::NoiseFn;
/// Noise function that negates the output value from the source function.
pub struct Negate<'a, T> {
/// Outputs a value.
pub source: &'a dyn NoiseFn<T>,
}
impl<'a, T> Negate<'a, T> {
pub fn new(source: &'a dyn NoiseFn<T>) -> Self {
Negate { source }
}
}
impl<'a, T> NoiseFn<T> for Negate<'a, T> {
fn get(&self, point: T) -> f64 {
-self.source.get(point)
}
}