39 lines
1.1 KiB
Rust
39 lines
1.1 KiB
Rust
use crate::patterns::{Pattern, PixelColor};
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use crate::{impl_pattern_none, Strip};
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use serde::{Deserialize, Serialize};
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/// # FillRandom
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///
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/// fill strip with color then apply random variation to each pixel
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#[derive(Serialize, Deserialize, Debug, Eq, Hash, PartialEq, Copy, Clone)]
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pub struct FillRandom<const N: usize> {
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pub(crate) color: PixelColor,
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pub(crate) stability: usize,
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pub(crate) max_iteration: Option<usize>,
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#[serde(default)]
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pub(crate) current_iteration: usize,
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}
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impl<const N: usize> Pattern for FillRandom<N> {
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impl_pattern_none!(FadeRandom, N);
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}
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impl<const N: usize> Iterator for FillRandom<N> {
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type Item = Strip<N>;
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fn next(&mut self) -> Option<Self::Item> {
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if self.is_last_iteration() {
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return None;
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}
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let mut strip = Strip::<N>::default();
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let rng = rand::thread_rng();
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for i in 0..N {
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let c = self.color.random_delta(self.stability, &mut rng.clone());
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strip[i] = Some(c);
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}
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self.current_iteration += 1;
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Some(strip)
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}
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}
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