fix camera arm height

src/camera.rs

@@ -20,6 +20,7 @@ pub struct CameraState {
 }
 
 #[derive(Component, Reflect, Debug)]
+#[reflect(Component)]
 pub struct MainCamera {
     dir: Dir3,
     distance: f32,
@@ -35,6 +36,8 @@ impl MainCamera {
 pub fn plugin(app: &mut App) {
     app.register_type::<CameraRotation>();
     app.register_type::<CameraState>();
+    app.register_type::<MainCamera>();
+
     app.init_resource::<CameraState>();
     app.add_systems(Startup, startup);
     app.add_systems(Update, (update, rotate_view_keyboard, rotate_view_gamepad));
@@ -43,7 +46,7 @@ pub fn plugin(app: &mut App) {
 fn startup(mut commands: Commands) {
     commands.spawn((
         Camera3d::default(),
-        MainCamera::new(Vec3::new(0., 1., -12.)),
+        MainCamera::new(Vec3::new(0., 2., -12.)),
         CameraRotation(0.),
     ));
 }