plugins!!!

src/main.rs

@@ -4,27 +4,36 @@ use bevy_rapier2d::prelude::*;
 mod game {
     use bevy::prelude::*;
     use bevy_rapier2d::prelude::*;
+    use player::player_plugin;
 
     mod player {
         use bevy::prelude::*;
         use bevy_rapier2d::prelude::*;
         #[derive(Component)]
         struct Player;
+
+        pub(super) fn player_plugin(app: &mut App) {}
     }
 
-    fn game_plugin(app: &mut App) {}
+    fn game_plugin(app: &mut App) {
+        app.add_plugins((player_plugin));
+    }
 }
 
 const METER: f32 = 120.;
 
+#[derive(States, Debug, Clone, PartialEq, Eq, Hash, Default)]
 enum AppState {
+    #[default]
     MainMenu,
     InGame,
     GameOver,
 }
 
+#[derive(States, Debug, Clone, PartialEq, Eq, Hash, Default)]
 enum PausedState {
     Paused,
+    #[default]
     Running,
 }
 
@@ -32,5 +41,7 @@ fn main() {
     App::new()
         .add_plugins(DefaultPlugins)
         .add_plugins(RapierPhysicsPlugin::<NoUserData>::pixels_per_meter(METER))
+        .init_state::<AppState>()
+        .init_state::<PausedState>()
         .run();
 }