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Add colored noise mode.g

master
Juergen Stuber 2 years ago
parent
commit
81c2de67e1
2 changed files with 59 additions and 0 deletions
  1. +3
    -0
      README.txt
  2. +56
    -0
      src/bin/cnoise/main.rs

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README.txt View File

@ -1,3 +1,6 @@
cnoise - colored noise, sets random pixels in selected colors
paramater is not used yet
bimood - color cycling mood lamp with two complementary colors
parameter is the seconds for one cycle through the colors


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src/bin/cnoise/main.rs View File

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use std::env::args;
use std::io::stdout;
use std::io::Write;
use std::iter::repeat;
use std::thread::sleep;
use std::time::Duration;
use rand::thread_rng;
use rand::Rng;
use pixelfoo::color::Color;
type Frame = Vec<Vec<Color>>;
fn send<T: Write>(w: &mut T, f: &Frame) -> std::io::Result<()> {
for l in f {
for c in l {
w.write_all(&c.rgb())?;
}
}
w.flush()
}
fn main() -> std::io::Result<()> {
let args = args().collect::<Vec<_>>();
eprintln!("executing {}", args[0]);
let x_size = args[1].parse::<usize>().unwrap();
let y_size = args[2].parse::<usize>().unwrap();
eprintln!("screen size {}x{}", x_size, y_size);
let t_frame = 0.040; // s
let delay = Duration::new(0, (1_000_000_000.0 * t_frame) as u32);
let colors = vec![Color::black(), Color::cyan(), Color::blue()];
// time to interpolate from one color to the next
let mut rng = thread_rng();
let mut frame = repeat(repeat(Color::black()).take(x_size).collect::<Vec<_>>())
.take(y_size)
.collect::<Vec<_>>();
loop {
let x = rng.gen_range(0, x_size);
let y = rng.gen_range(0, y_size);
let c = colors[rng.gen_range(0, colors.len())];
frame[y][x] = c;
let mut buf = Vec::with_capacity(x_size * y_size * 3);
send(&mut buf, &frame)?;
stdout().write_all(&buf)?;
stdout().flush()?;
sleep(delay);
}
}

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