do a basic scene and way too much organization and fail to implement panning

src/game.rs

@@ -0,0 +1,23 @@
+use bevy::prelude::*;
+
+use crate::{
+    AppState,
+    cleanup::{self, despawn},
+};
+
+mod camera;
+mod scene;
+
+/// Gameplay system set. All functions in this control the gameplay (duh).
+#[derive(SystemSet, Debug, Clone, PartialEq, Eq, Hash)]
+struct GameplaySet;
+
+pub fn plugin(app: &mut App) {
+    app.add_plugins(camera::plugin)
+        .add_systems(OnEnter(AppState::Ingame), scene::setup.in_set(GameplaySet))
+        .add_systems(
+            OnExit(AppState::Ingame),
+            despawn::<cleanup::Scene>.in_set(GameplaySet),
+        );
+    app.configure_sets(Update, GameplaySet.run_if(in_state(AppState::Ingame)));
+}