mirror of
https://github.com/CrispyPin/julia-fractal-renderer.git
synced 2024-11-22 01:50:27 +01:00
init
This commit is contained in:
commit
f02250a507
5 changed files with 234 additions and 0 deletions
2
.gitignore
vendored
Normal file
2
.gitignore
vendored
Normal file
|
|
@ -0,0 +1,2 @@
|
||||||
|
/target
|
||||||
|
*.png
|
||||||
153
Cargo.lock
generated
Normal file
153
Cargo.lock
generated
Normal file
|
|
@ -0,0 +1,153 @@
|
||||||
|
# This file is automatically @generated by Cargo.
|
||||||
|
# It is not intended for manual editing.
|
||||||
|
version = 3
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "adler"
|
||||||
|
version = "1.0.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "autocfg"
|
||||||
|
version = "1.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "bitflags"
|
||||||
|
version = "1.3.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "bytemuck"
|
||||||
|
version = "1.13.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "17febce684fd15d89027105661fec94afb475cb995fbc59d2865198446ba2eea"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "byteorder"
|
||||||
|
version = "1.4.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "cfg-if"
|
||||||
|
version = "1.0.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "color_quant"
|
||||||
|
version = "1.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "crc32fast"
|
||||||
|
version = "1.3.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b540bd8bc810d3885c6ea91e2018302f68baba2129ab3e88f32389ee9370880d"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "fdeflate"
|
||||||
|
version = "0.3.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "d329bdeac514ee06249dabc27877490f17f5d371ec693360768b838e19f3ae10"
|
||||||
|
dependencies = [
|
||||||
|
"simd-adler32",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "flate2"
|
||||||
|
version = "1.0.26"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3b9429470923de8e8cbd4d2dc513535400b4b3fef0319fb5c4e1f520a7bef743"
|
||||||
|
dependencies = [
|
||||||
|
"crc32fast",
|
||||||
|
"miniz_oxide",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "image"
|
||||||
|
version = "0.24.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "527909aa81e20ac3a44803521443a765550f09b5130c2c2fa1ea59c2f8f50a3a"
|
||||||
|
dependencies = [
|
||||||
|
"bytemuck",
|
||||||
|
"byteorder",
|
||||||
|
"color_quant",
|
||||||
|
"num-rational",
|
||||||
|
"num-traits",
|
||||||
|
"png",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "julia-set"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"image",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "miniz_oxide"
|
||||||
|
version = "0.7.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
|
||||||
|
dependencies = [
|
||||||
|
"adler",
|
||||||
|
"simd-adler32",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "num-integer"
|
||||||
|
version = "0.1.45"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
|
||||||
|
dependencies = [
|
||||||
|
"autocfg",
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "num-rational"
|
||||||
|
version = "0.4.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
|
||||||
|
dependencies = [
|
||||||
|
"autocfg",
|
||||||
|
"num-integer",
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "num-traits"
|
||||||
|
version = "0.2.15"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
|
||||||
|
dependencies = [
|
||||||
|
"autocfg",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "png"
|
||||||
|
version = "0.17.9"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "59871cc5b6cce7eaccca5a802b4173377a1c2ba90654246789a8fa2334426d11"
|
||||||
|
dependencies = [
|
||||||
|
"bitflags",
|
||||||
|
"crc32fast",
|
||||||
|
"fdeflate",
|
||||||
|
"flate2",
|
||||||
|
"miniz_oxide",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "simd-adler32"
|
||||||
|
version = "0.3.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "238abfbb77c1915110ad968465608b68e869e0772622c9656714e73e5a1a522f"
|
||||||
13
Cargo.toml
Normal file
13
Cargo.toml
Normal file
|
|
@ -0,0 +1,13 @@
|
||||||
|
[package]
|
||||||
|
name = "julia-set"
|
||||||
|
version = "0.1.0"
|
||||||
|
edition = "2021"
|
||||||
|
|
||||||
|
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
image = { version = "0.24.6", default_features = false, features = ["png"] }
|
||||||
|
|
||||||
|
# Enable high optimizations for dependencies
|
||||||
|
[profile.dev.package."*"]
|
||||||
|
opt-level = 3
|
||||||
1
rustfmt.toml
Normal file
1
rustfmt.toml
Normal file
|
|
@ -0,0 +1 @@
|
||||||
|
hard_tabs = true
|
||||||
65
src/main.rs
Normal file
65
src/main.rs
Normal file
|
|
@ -0,0 +1,65 @@
|
||||||
|
use std::time::SystemTime;
|
||||||
|
|
||||||
|
use image::{Rgb, RgbImage};
|
||||||
|
|
||||||
|
const WIDTH: u32 = 4096;
|
||||||
|
const HEIGHT: u32 = WIDTH / 2;
|
||||||
|
|
||||||
|
const TOTAL_UNITS_WIDE: f64 = 4.0;
|
||||||
|
|
||||||
|
const MAX_ITER: u32 = 512;
|
||||||
|
const CX: f64 = -0.98;
|
||||||
|
const CY: f64 = -0.277;
|
||||||
|
|
||||||
|
const WIDTH_F: f64 = WIDTH as f64;
|
||||||
|
const HEIGHT_F: f64 = HEIGHT as f64;
|
||||||
|
const PIXELS_PER_UNIT: f64 = WIDTH_F / TOTAL_UNITS_WIDE;
|
||||||
|
|
||||||
|
fn main() {
|
||||||
|
let start_time = SystemTime::now();
|
||||||
|
|
||||||
|
let mut img = RgbImage::new(WIDTH, HEIGHT);
|
||||||
|
for y in 0..HEIGHT {
|
||||||
|
for x in 0..WIDTH {
|
||||||
|
let pixel = fractal(x as f64, y as f64);
|
||||||
|
img.put_pixel(x, y, pixel);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
println!(
|
||||||
|
"Generating took {} ms",
|
||||||
|
start_time.elapsed().unwrap().as_millis()
|
||||||
|
);
|
||||||
|
let start_time = SystemTime::now();
|
||||||
|
let filename = format!("julia_set_cx{:.3}_cy{:.3}.png", CX, CY);
|
||||||
|
img.save(filename).unwrap();
|
||||||
|
println!(
|
||||||
|
"Saving took {} ms",
|
||||||
|
start_time.elapsed().unwrap().as_millis()
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
fn fractal(x: f64, y: f64) -> Rgb<u8> {
|
||||||
|
let mut x = (x - WIDTH_F / 2.0) / PIXELS_PER_UNIT;
|
||||||
|
let mut y = (y - HEIGHT_F / 2.0) / PIXELS_PER_UNIT;
|
||||||
|
|
||||||
|
let mut iterations = 0;
|
||||||
|
|
||||||
|
while (x * x + y * y) < 4.0 {
|
||||||
|
(x, y) = (
|
||||||
|
x * x - y * y + CX, //
|
||||||
|
2.0 * x * y + CY,
|
||||||
|
);
|
||||||
|
|
||||||
|
iterations += 1;
|
||||||
|
if iterations == MAX_ITER {
|
||||||
|
return Rgb([0, 0, 0]);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
let i = iterations.min(255) as u8;
|
||||||
|
Rgb([
|
||||||
|
i.saturating_mul(4),
|
||||||
|
i.saturating_mul(8),
|
||||||
|
i.saturating_mul(12),
|
||||||
|
])
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue