cleanup and comments

src/main.rs

@@ -1,34 +1,32 @@
 use indicatif::{ProgressBar, ProgressStyle};
 use physarum::model;
-use rand::Rng;
 
 fn main() {
-    // let n_iterations = 16384;
-    let n_iterations = 10;
-    // let n_iterations = 100;
-    // let n_iterations = 10;
+    // # of iterations to go through
+    let n_iterations = 1024;
 
+    // Size of grid and pictures
     let (width, height) = (256, 256);
-    // let (width, height) = (512, 512);
-    // let (width, height) = (1024, 1024);
-    // let (width, height) = (2048, 2048);
 
+    // # of agents
     let n_particles = 1 << 22;
-    // let n_particles = 1 << 10;
-    // let n_particles = 1 << 20;
-    // let n_particles = 100;
     println!("n_particles: {}", n_particles);
+
     let diffusivity = 1;
-    let mut rng = rand::thread_rng();
 
-    // let n_populations = 1 + rng.gen_range(1..4);
+    // `n_populations` is the # of types of agents
     let n_populations = 2;
-    let mut model = model::Model::new(width, height, n_particles, n_populations, diffusivity);
-    model.print_configurations();
-
-    model.run(n_iterations);
+    // let n_populations = 1 + rng.gen_range(1..4); // make # of populations between 2 and 5
     
 
+
+    let mut model = model::Model::new(width, height, n_particles, n_populations, diffusivity); // Create the model
+
+    model.print_configurations(); // Print config for model
+
+    model.run(n_iterations); // Actually run the model
+    
+    // export saved image data
     println!("Rendering all saved image data....");
     model.render_all_imgdata();
     model.flush_image_data();