From 836b515390638a9704cfa415dbde0a3c350072c0 Mon Sep 17 00:00:00 2001
From: "E. Almqvist" <elalmqvist@gmail.com>
Date: Tue, 10 May 2022 20:43:09 +0200
Subject: [PATCH] Rust mandelbrot progress

---
 mas/fractals/mandel/src/main.rs   | 43 +++++++++++++++++++++++++++++++
 mas/fractals/mandel/src/mandel.rs | 35 +++++++++++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 mas/fractals/mandel/src/main.rs
 create mode 100644 mas/fractals/mandel/src/mandel.rs

diff --git a/mas/fractals/mandel/src/main.rs b/mas/fractals/mandel/src/main.rs
new file mode 100644
index 0000000..c52e9c4
--- /dev/null
+++ b/mas/fractals/mandel/src/main.rs
@@ -0,0 +1,43 @@
+mod mandel;
+
+use std::env;
+use sfml::window::{Window, Event, Style};
+use sfml::graphics::{Color, Rect};
+use sfml::system::Vector2i;
+
+fn render_pixel(x: u32, y: u32, col: Color) -> Rect<i32> {
+    return rect;
+}
+
+fn main() {
+    /*
+    let args: Vec<String> = env::args().collect();
+    let width: u32 = args[1].parse::<u32>().unwrap();
+    let height: u32 = args[2].parse::<u32>().unwrap();
+    println!("{} {}", width, height);
+    */
+    let (width, height) = (640, 480);
+    let (xr, yr) = ([-200, 200], [-200, 200]);
+    
+    let mut win = Window::new((width, height), "Mandelbrot set", Style::CLOSE, &Default::default());
+    win.set_framerate_limit(20);
+    win.set_position(Vector2i::new(0, 0));
+
+    let mut rect = Rect::new(200, 200, 1, 1);
+    rect.set_fill_color(Color::RED);
+
+    while win.is_open() {
+        while let Some(ev) = win.poll_event() {
+            match ev {
+                Event::Closed => {win.close();},
+                _ => {}
+            }
+        }
+
+        rect.draw();
+
+        win.set_active(true);
+        win.display();
+    }
+}
+
diff --git a/mas/fractals/mandel/src/mandel.rs b/mas/fractals/mandel/src/mandel.rs
new file mode 100644
index 0000000..68adaab
--- /dev/null
+++ b/mas/fractals/mandel/src/mandel.rs
@@ -0,0 +1,35 @@
+use num::complex::Complex;
+use matrix::Matrix;
+use sfml::system::Vector2u;
+use sfml::window::Window;
+use sfml::graphics::Color;
+
+fn mandel(n: u64, c: Complex<f64>) -> Complex<f64> {
+    if n == 0 {
+        return Complex::new(0.0, 0.0);
+    } else {
+        let mut new_z = mandel(n-1, c);
+        new_z = new_z.powu(2);
+        new_z += c;
+        return new_z;
+    }
+}
+
+pub fn get_point_color(w: i32, h: i32, x: i32, y: i32, depth: u64) -> Color {
+    let c = Complex::<f64>::new((x - w/2).into(), (y - h/2).into());
+    let mut norm = mandel(depth, c).norm(); 
+    
+    if norm < 2.0 {
+        return Color::rgb(0, 0, 0);
+    } else {
+        return Color::rgb(255, 255, 255);
+    }
+}
+
+pub fn generate_points(from_x: i32, to_x: i32, from_y: i32, to_y: i32, depth: u64) {
+    for x in from_x..to_x {
+        for y in from_y..to_y {
+            println!("{:?}", get_point_color(200, 200, x, y, depth));
+        }
+    }
+}