Main executable produces new images indefinitely.

src/main.rs

@@ -1,29 +1,36 @@
+use chrono::{DateTime, Utc};
 use indicatif::{ProgressBar, ProgressStyle};
 use physarum::model;
 use rand::Rng;
 
 fn main() {
     let n_iterations = 400;
-    let pb = ProgressBar::new(n_iterations);
-    pb.set_style(
-        ProgressStyle::default_bar()
-            .template(
-                "{spinner:.green} [{elapsed_precise}] [{bar:40.cyan/blue}] {pos}/{len} ({eta})",
-            )
-            .progress_chars("#>-"),
-    );
-
     let (width, height) = (1024, 1024);
     let n_particles = 1 << 22;
     let diffusivity = 1;
-    let n_populations = 1 + rand::thread_rng().gen_range(1..4);
-    let mut model = model::Model::new(width, height, n_particles, n_populations, diffusivity);
-    model.print_configurations();
+    let mut rng = rand::thread_rng();
 
-    for i in 0..n_iterations {
-        model.step();
-        pb.set_position(i);
+    loop {
+        let pb = ProgressBar::new(n_iterations);
+        pb.set_style(
+            ProgressStyle::default_bar()
+                .template(
+                    "{spinner:.green} [{elapsed_precise}] [{bar:40.cyan/blue}] {pos}/{len} ({eta})",
+                )
+                .progress_chars("#>-"),
+        );
+
+        let n_populations = 1 + rng.gen_range(1..4);
+        let mut model = model::Model::new(width, height, n_particles, n_populations, diffusivity);
+        model.print_configurations();
+
+        for i in 0..n_iterations {
+            model.step();
+            pb.set_position(i);
+        }
+        pb.finish();
+
+        let now: DateTime<Utc> = Utc::now();
+        model.save_to_image(format!("out_{}.png", now.timestamp()).as_str());
     }
-    pb.finish_with_message("Finished!");
-    model.save_to_image("out.png");
 }