Complex numbers thing

mas/fractals/mandel/src/main.rs

@@ -14,7 +14,7 @@ fn main() {
     println!("{} {}", width, height);
     */
     let (width, height) = (640, 480);
-    let (xr, yr) = ([-200, 200], [-200, 200]);
+    let (xr, yr) = ([-320, 320], [-240, 240]);
     let depth = 500;
     
     let (window, ctx, vid_sys) = render::create_window("Mandelbrot set", width, height);
@@ -24,6 +24,20 @@ fn main() {
     canvas.clear();
     canvas.present();
 
+    // render stuff
+    println!("Init mandel render");
+    for dx in xr[0]..xr[1] {
+        for dy in yr[0]..yr[1] {
+            let col: Color = mandel::get_point_color(width.try_into().unwrap(), 
+                                                     height.try_into().unwrap(), 
+                                                     dx, dy, depth); 
+            //println!("{}:{} {:?}", dx, dy, col);
+            render::set_pixel(&mut canvas, dx, dy, col);
+        }
+    }
+    canvas.present();
+    println!("Post mandel render");
+
     let mut event_pump = ctx.event_pump().unwrap();
     'running: loop {
         for event in event_pump.poll_iter() {
@@ -36,15 +50,6 @@ fn main() {
             }
         }
 
-        // render stuff
-        for dx in xr[0]..xr[1] {
-            for dy in yr[0]..yr[1] {
-                let col: Color = mandel::get_point_color(width.try_into().unwrap(), height.try_into().unwrap(), dx, dy, depth); 
-                println!("{}:{} {:?}", dx, dy, col);
-                render::set_pixel(&mut canvas, dx, dy, col);
-            }
-        }
-        canvas.present();
     }
     ::std::thread::sleep(Duration::new(0, 1_000_000_000u32 / 60));
 }

mas/fractals/mandel/src/mandel.rs

@@ -29,7 +29,9 @@ fn mandel(n: u64, c: Complex<f64>) -> Complex<f64> {
 
 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 + w/2).into());
-    let mut norm = mandel(depth, c).norm(); 
+    let mut z = mandel(depth, c);
+    let mut norm = z.norm();
+    println!("\rNorm: {:?}", norm);
     
     if norm < 2.0 {
         return Color::RGB(0, 0, 0);