split into separate files

src/ant.rs

@@ -0,0 +1,33 @@
+use macroquad::prelude::*;
+use std::f32::consts::PI;
+use crate::constants::{FLOOR_COLOR, ANT_SPEED};
+
+pub(crate) struct Ant {
+  pos: Vec2,
+  dir: f32,
+}
+
+impl Ant {
+  pub(crate)fn walk(&mut self, map_data: &Image) {
+    let acceleration = Vec2::new(self.dir.sin(), -self.dir.cos());
+    let new_pos = self.pos + acceleration * ANT_SPEED * get_frame_time();
+    let dest_pixel = map_data.get_pixel(new_pos.x as u32, new_pos.y as u32);
+    if dest_pixel == FLOOR_COLOR {
+      self.pos = new_pos;
+    }
+  }
+  pub(crate)fn draw(&self) {
+    draw_circle(self.pos.x, self.pos.y, 1., BLACK);
+  }
+}
+
+pub(crate) fn init_ants(num_ants: i32) -> Vec<Ant> {
+  let dir_steps = PI * 2. / num_ants as f32;
+  (0..num_ants)
+    .into_iter()
+    .map(|n| Ant {
+      pos: Vec2::new(400., 200.),
+      dir: n as f32 * dir_steps,
+    })
+    .collect()
+}

src/constants.rs

@@ -0,0 +1,4 @@
+use macroquad::color::Color;
+
+pub static ANT_SPEED: f32 = 20.;
+pub static FLOOR_COLOR: Color = Color::new(0.46666667, 0.38431373, 0.3019608, 1.);

src/main.rs

@@ -1,5 +1,7 @@
-use macroquad::prelude::*;
+mod ant;
-use std::f32::consts::PI;
+mod constants;
+
+use macroquad::prelude::*;use crate::ant::init_ants;
 
 fn window_conf() -> Conf {
     Conf {
@@ -11,39 +13,6 @@ fn window_conf() -> Conf {
     }
 }
 
-static ANT_SPEED: f32 = 20.;
-static FLOOR_COLOR: Color = Color::new(0.46666667, 0.38431373, 0.3019608, 1.);
-
-struct Ant {
-    pos: Vec2,
-    dir: f32,
-}
-
-impl Ant {
-    fn walk(&mut self, map_data: &Image) {
-        let acceleration = Vec2::new(self.dir.sin(), -self.dir.cos());
-        let new_pos = self.pos + acceleration * ANT_SPEED * get_frame_time();
-        let dest_pixel = map_data.get_pixel(new_pos.x as u32, new_pos.y as u32);
-        if dest_pixel == FLOOR_COLOR {
-            self.pos = new_pos;
-        }
-    }
-    fn draw(&self) {
-        draw_circle(self.pos.x, self.pos.y, 1., WHITE);
-    }
-}
-
-fn init_ants(num_ants: i32) -> Vec<Ant> {
-    let dir_steps = PI * 2. / num_ants as f32;
-    (0..num_ants)
-        .into_iter()
-        .map(|n| Ant {
-            pos: Vec2::new(400., 200.),
-            dir: n as f32 * dir_steps,
-        })
-        .collect()
-}
-
 #[macroquad::main(window_conf)]
 async fn main() {
     let map = load_texture("map_scaled.png").await.unwrap();