diff --git a/TODO.md b/TODO.md
index 69f2c92..e698ea5 100644
--- a/TODO.md
+++ b/TODO.md
@@ -8,4 +8,5 @@
     - sin/cos table?
 - Make colisions for walls of grid
 - Add config and cmd arguments when running the binary to adjust simulation settings
-- Rewrite `grid.rs`
\ No newline at end of file
+- Rewrite `grid.rs`
+    - Move agent list to grid type
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index c5c0e5d..0be4563 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,7 +9,7 @@ fn main() {
     let (width, height) = (1024, 1024);
 
     // # of agents
-    let n_particles = 1 << 26;
+    let n_particles = 1 << 24;
     // let n_particles = 1 << 16;
     println!("n_particles: {}", n_particles);
 
diff --git a/src/model.rs b/src/model.rs
index ece595e..c78214d 100644
--- a/src/model.rs
+++ b/src/model.rs
@@ -270,7 +270,6 @@ impl Model {
         if self.grids[0].width > 1024 && self.grids[0].height > 1024 && self.img_data_vec.len() > 100 {
             self.render_all_imgdata();
             self.flush_image_data();
-            
         }
     }