Add dev tools

src/dev.rs

@@ -0,0 +1,30 @@
+use bevy::{
+    dev_tools::{
+        fps_overlay::{FpsOverlayConfig, FpsOverlayPlugin},
+        states::log_transitions,
+    },
+    input::common_conditions::input_just_pressed,
+    prelude::*,
+};
+
+use crate::AppState;
+
+pub(super) fn dev_tools(app: &mut App) {
+    app.add_plugins(FpsOverlayPlugin::default());
+    app.add_systems(
+        Update,
+        (
+            log_transitions::<AppState>,
+            toggle_debug_ui.run_if(input_just_pressed(KeyCode::Digit1)),
+            toggle_fps.run_if(input_just_pressed(KeyCode::Digit2)),
+        ),
+    );
+}
+
+fn toggle_debug_ui(mut ui: ResMut<UiDebugOptions>) {
+    ui.toggle();
+}
+
+fn toggle_fps(mut fps: ResMut<FpsOverlayConfig>) {
+    fps.enabled = !fps.enabled;
+}