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compare: zeefaad:f0881f96c4fd8d03d9ea39a556199df4315dc549
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zeefaad:main

2 Commits
3a6ee835df ... f0881f96c4

Author SHA1 Message Date
zeefaad
f0881f96c4 eps 2026-02-14 13:59:46 +01:00
zeefaad
b0ea3a9f44 eps 2026-02-14 13:59:20 +01:00
1 changed files with 7 additions and 5 deletions
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12
src/main.rs
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@ -3,7 +3,7 @@ use std::f64::consts::PI;
use std::fs;
fn chladni(x: f64, y: f64, n: f64, m: f64, eps: f64) -> f64 {
(n * PI * x).cos() * (m * PI * y).cos() - (m * PI * x).cos() * (n * PI * y).cos()
(n * PI * x).cos() * (m * PI * y).cos() + eps * (m * PI * x).cos() * (n * PI * y).cos()
}
fn generate_png(n: u32, m: u32, width: u32, height: u32, eps: f64) {
@ -15,9 +15,11 @@ fn generate_png(n: u32, m: u32, width: u32, height: u32, eps: f64) {
let yf = (y as f64 / height as f64) * 2.0 - 1.0;
let val = chladni(xf, yf, n as f64, m as f64, eps);
let intensity = val.abs();
let bright = (((0.08 - intensity).max(0.0) / 0.08) * 255.0) as u8;
let bright = if val.abs() < 0.08 { 255 } else { 0 }; // Sans variation d'alpha
// let intensity = val.abs();
// let bright = (((0.08 - intensity).max(0.0) / 0.08) * 255.0) as u8;
*pixel = Rgba([0, 0, 0, bright]);
// *pixel = Rgb([brigh, brigh, brigh]);
}
@ -30,8 +32,8 @@ fn generate_png(n: u32, m: u32, width: u32, height: u32, eps: f64) {
fn main() {
let width = 1000;
let height = 1000;
let max_n = 5;
let max_m = 5;
let max_n = 30;
let max_m = 30;
fs::create_dir_all("out").expect("Erreur");