zeefaad/chladni
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zeefaad
2026-02-14 12:55:09 +01:00
parent c0e663215f
commit 14082a126e
1 changed files with 4 additions and 3 deletions
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7
src/main.rs
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@ -1,4 +1,4 @@
use image::{ImageBuffer, Rgb, RgbImage};
use image::{ImageBuffer, Rgba, RgbaImage};
use std::f64::consts::PI;
use std::fs;
@ -7,7 +7,7 @@ fn chladni(x: f64, y: f64, n: f64, m: f64) -> f64 {
}
fn generate_png(n: u32, m: u32, width: u32, height: u32) {
let mut img: RgbImage = ImageBuffer::new(width, height);
let mut img: RgbaImage = ImageBuffer::new(width, height);
for (x, y, pixel) in img.enumerate_pixels_mut() {
let xf = (x as f64 / width as f64) * 2.0 - 1.0;
@ -17,7 +17,8 @@ fn generate_png(n: u32, m: u32, width: u32, height: u32) {
let intensity = val.abs();
let brigh = (((0.08 - intensity).max(0.0) / 0.08) * 255.0) as u8;
*pixel = Rgb([brigh, brigh, brigh]);
*pixel = Rgba([0, 0, 0, brigh]);
// *pixel = Rgb([brigh, brigh, brigh]);
}
let filename = format!("out/chladni_{}_{}.png", n, m);