reduce power usage when window is defocused

src/main.rs

@@ -115,6 +115,14 @@ fn main() {
         mode: bevy_embedded_assets::PluginMode::ReplaceDefault,
     });
 
+    // Reduce power usage when unfocused
+    app.insert_resource(bevy::winit::WinitSettings {
+        focused_mode: bevy::winit::UpdateMode::Continuous,
+        unfocused_mode: bevy::winit::UpdateMode::reactive_low_power(
+            bevy::utils::Duration::from_secs(10),
+        ),
+    });
+
     app.add_plugins(OutFlyPlugin);
     app.insert_resource(prefs);
     app.run();