pluginize everything

src/audio.rs

@@ -1,6 +1,14 @@
 use bevy::prelude::*;
 use bevy::audio::PlaybackMode;
 
+pub struct AudioPlugin;
+impl Plugin for AudioPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(Startup, setup);
+        app.add_systems(Update, toggle_bgm);
+    }
+}
+
 #[derive(Component)]
 pub struct ComponentBGM;
 

src/main.rs

@@ -5,34 +5,32 @@ mod settings;
 mod hud;
 mod actor;
 
-use bevy::window::{Window, WindowMode, PrimaryWindow, CursorGrabMode };
+use bevy::window::{Window, WindowMode, PrimaryWindow, CursorGrabMode};
 use bevy::diagnostic::{FrameTimeDiagnosticsPlugin, LogDiagnosticsPlugin};
 use bevy::prelude::*;
 
 fn main() {
-    App::new()
-        .add_systems(Startup, (
-                setup,
-                audio::setup,
-                world::setup,
-        ))
-        .add_systems(Update, (
-                handle_input,
-                audio::toggle_bgm,
-                world::asset_loaded.after(world::load_cubemap_asset),
-        ))
-        .add_plugins(DefaultPlugins.set(ImagePlugin::default_nearest()))
-        .add_plugins((
+    App::new().add_plugins(OutFlyPlugin).run();
+}
+
+pub struct OutFlyPlugin;
+impl Plugin for OutFlyPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(Startup, setup);
+        app.add_systems(Update, handle_input);
+        app.insert_resource(settings::Settings::default());
+        app.add_plugins((
+            DefaultPlugins.set(ImagePlugin::default_nearest()),
+            FrameTimeDiagnosticsPlugin,
+            LogDiagnosticsPlugin::default(),
+
+            world::WorldPlugin,
             camera::CameraControllerPlugin,
             hud::HudPlugin,
             actor::ActorPlugin,
-        ))
-        .add_plugins((
-            FrameTimeDiagnosticsPlugin,
-            LogDiagnosticsPlugin::default(),
-        ))
-        .insert_resource(settings::Settings::default())
-        .run();
+            audio::AudioPlugin,
+        ));
+    }
 }
 
 fn setup(

src/world.rs

@@ -7,6 +7,14 @@ use bevy::pbr::CascadeShadowConfigBuilder;
 use bevy::core_pipeline::bloom::{BloomCompositeMode, BloomSettings};
 use std::f32::consts::PI;
 
+pub struct WorldPlugin;
+impl Plugin for WorldPlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(Startup, setup);
+        app.add_systems(Update, asset_loaded.after(load_cubemap_asset));
+    }
+}
+
 #[derive(Resource)]
 pub struct Cubemap {
     is_loaded: bool,