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mod perlin;
mod vec3;
mod image;
use std::{println, format};
use crate::perlin::Perlin;
use crate::vec3::{Vec3,Point3, Color};
use crate::image::Image;
fn hex_color(string: &str) -> Color {
Color {
x: i64::from_str_radix(&string[0..2], 16).unwrap() as f64 / 255.0,
y: i64::from_str_radix(&string[2..4], 16).unwrap() as f64 / 255.0,
z: i64::from_str_radix(&string[4..6], 16).unwrap() as f64 / 255.0,
}
}
// maps [0.0, 1.0] -> Color[0.0, 1.0]
trait Palette {
fn sample(&self, index: f64) -> Color;
}
struct IdenPalette {}
impl Palette for IdenPalette {
fn sample(&self, index: f64) -> Color {
Color{x: index, y: index, z: index}
}
}
struct FirePalette {}
impl Palette for FirePalette {
fn sample(&self, index: f64) -> Color {
Color {
//x: index / 3.0,
x: 0.46 - (index / 3.0),
y: 1.0,
z: ((index + 0.03) * 2.0).min(1.0),
}.hsl_to_rgb()
}
}
struct GradientPalette {
start: Color,
end: Color,
}
impl Palette for GradientPalette {
fn sample(&self, index: f64) -> Color {
Color {
x: (index * self.start.x) + ((1.0 - index) * self.end.x),
y: (index * self.start.y) + ((1.0 - index) * self.end.y),
z: (index * self.start.z) + ((1.0 - index) * self.end.z),
}
}
}
// fn palette_func_pink(index: f64) -> Color {
// Color {
// x: 1.0 - (index / 3.0),
// y: 1.0,
// z: (index * 2.0).min(1.0),
// }.hsl_to_rgb()
// }
// fn palette_func_quant(index: f64) -> Color {
// Color {
// x: (index * 8.0).round() / 8.0,
// y: 1.0,
// z: (index * 2.0).min(1.0),
// }.hsl_to_rgb()
// }
fn sample(h: f64, l: f64) -> Color {
let start_hue = 0.75;
let end_hue = start_hue + 0.2;
let lightness_scale = 0.5;
Color {
x: (h * (end_hue - start_hue)) + start_hue,
y: 1.0,
z: (l * lightness_scale) + (lightness_scale / 2.0),
}.hsl_to_rgb()
}
// fn main() {
// // params
// let height = 512;
// let width = 512;
// let scale = 1.0;
// let turb_depth = 20;
// let dsw_factor = 1.5;
// //let palette = GradientPalette{start: hex_color("0000ff"), end: hex_color("ff0000")};
// //let palette = IdenPalette{};
// let palette = FirePalette{};
// let hue_perlin = Perlin::new();
// //let light_perlin = Perlin::new();
// let mut image = Image::new(width, height);
// for x in 0..width {
// for y in 0..height {
// let hue_noise = hue_perlin.turb_dsw(&Point3{x: (x as f64 / width as f64) * scale, y: (y as f64 / height as f64) * scale, z: 0.0}, turb_depth, dsw_factor);
// //let light_noise = light_perlin.turb_dsw(&Point3{x: (x as f64 / width as f64) * scale, y: (y as f64 / height as f64) * scale, z: 0.0}, 7);
// //image.set(x, y, &sample(hue_noise, light_noise)).unwrap();
// //image.set(x, y, &Color{x: hue_noise, y: hue_noise, z: hue_noise}).unwrap();
// image.set(x, y, &palette.sample(hue_noise)).unwrap();
// }
// }
// image.write(&mut std::io::stdout());
// }
fn main() {
// params
let height = 512;
let width = 512;
let frames = 600;
let scale = 1.0;
let turb_depth = 20;
let dsw_factor = 1.5;
let palette = FirePalette{};
let hue_perlin = Perlin::new();
let mut image = Image::new(width, height);
for f in 0..frames {
for x in 0..width {
for y in 0..height {
let hue_noise = hue_perlin.turb_dsw(&Point3{x: (x as f64 / width as f64) * scale, y: (y as f64 / height as f64) * scale, z: (f as f64 / frames as f64) * scale}, turb_depth, dsw_factor);
image.set(x, y, &palette.sample(hue_noise)).unwrap();
}
}
let path = format!("./anim/{}.ppm", f);
image.write(&mut std::fs::File::create(path).unwrap());
println!("Finished frame {} of {}!", f, frames);
}
}
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