Improve chapter

docs/chapters/add_player_sprite.md

@@ -304,7 +304,7 @@ fn main() {
     let initial_player_size = Vec2::new(64.0, 32.0);
     let mut app = create_app(initial_player_position, initial_player_size);
     let add_camera_fn = |mut commands: Commands| {
-        commands.spawn(Camera2d::default());
+        commands.spawn(Camera2d);
     };
     app.add_systems(Startup, add_camera_fn);
     app.add_plugins(DefaultPlugins);

docs/chapters/add_player_sprite_with_texture.md

@@ -160,7 +160,7 @@ pub fn create_app() -> App {
     if cfg!(test) {
         app.add_plugins(AssetPlugin::default());
         app.add_plugins(TaskPoolPlugin::default());
-        app.init_asset::<bevy::render::texture::Image>();
+        app.init_asset::<bevy::image::Image>();
     }
     app.add_systems(Startup, add_player);
 

docs/chapters/add_text.md

@@ -194,7 +194,7 @@ fn main() {
     let text = String::from("Hello from main");
     let mut app = create_app(text);
     let add_camera_fn = |mut commands: Commands| {
-        commands.spawn(Camera2d::default());
+        commands.spawn(Camera2d);
     };
     app.add_systems(Startup, add_camera_fn);
     app.add_plugins(DefaultPlugins);

docs/chapters/move_player.md

@@ -269,7 +269,7 @@ fn main() {
     let velocity = Vec2::new(0.2, 0.1);
     let mut app = create_app(velocity);
     let add_camera_fn = |mut commands: Commands| {
-        commands.spawn(Camera2d::default());
+        commands.spawn(Camera2d);
     };
     app.add_systems(Startup, add_camera_fn);
     app.add_plugins(DefaultPlugins);

docs/chapters/move_player_with_keyboard.md

@@ -26,7 +26,7 @@ This chapter introduces:
 fn main() {
     let mut app = create_app();
     let add_camera_fn = |mut commands: Commands| {
-        commands.spawn(Camera2d::default());
+        commands.spawn(Camera2d);
     };
     app.add_systems(Startup, add_camera_fn);
 

docs/chapters/move_player_with_mouse.md

@@ -143,7 +143,7 @@ fn test_player_responds_to_mouse_wheel_turn() {
 fn main() {
     let mut app = create_app();
     let add_camera_fn = |mut commands: Commands| {
-        commands.spawn(Camera2d::default());
+        commands.spawn(Camera2d);
     };
     app.add_systems(Startup, add_camera_fn);
     app.add_plugins(DefaultPlugins);

docs/chapters/respond_to_window_resize.md

@@ -92,12 +92,12 @@ Results in:
 
 ```rust
 fn respond_to_window_resize(
-    mut q: Query<&mut Text>,
+    mut q: Query<&mut Text2d>,
     mut resize_reader: EventReader<bevy::window::WindowResized>,
 ) {
     let mut text = q.single_mut();
     for e in resize_reader.read() {
-        text.sections[0].value = format!("{:.1} x {:.1}", e.width, e.height);
+        text.0 = format!("{:.1} x {:.1}", e.width, e.height);
     }
 }
 ```