projects/bevy3d_ui: Bevy migration (#3597)

-bevy = "0.14.1"
+bevy = "0.15.2"

<https://bevyengine.org/learn/migration-guides/0-14-to-0-15/>

projects/bevy3d_ui/Cargo.toml

@@ -14,7 +14,7 @@ leptos_router = { version = "0.7.7" }
 console_log = "1.0"
 log = "0.4.22"
 console_error_panic_hook = "0.1.7"
-bevy = "0.14.1"
+bevy = "0.15.2"
 crossbeam-channel = "0.5.13"
 
 [dev-dependencies]

projects/bevy3d_ui/src/demos/bevydemo1/scene.rs

@@ -76,40 +76,37 @@ fn setup_scene(
 ) {
     let name = resource.0.lock().unwrap().name.clone();
     // circular base
-    commands.spawn(PbrBundle {
-        mesh: meshes.add(Circle::new(4.0)),
-        material: materials.add(Color::WHITE),
-        transform: Transform::from_rotation(Quat::from_rotation_x(
+    commands.spawn((
+        Mesh3d(meshes.add(Circle::new(4.0))),
+        MeshMaterial3d(materials.add(Color::WHITE)),
+        Transform::from_rotation(Quat::from_rotation_x(
             -std::f32::consts::FRAC_PI_2,
         )),
-        ..default()
-    });
+    ));
+
     // cube
     commands.spawn((
-        PbrBundle {
-            mesh: meshes.add(Cuboid::new(1.0, 1.0, 1.0)),
-            material: materials.add(Color::rgb_u8(124, 144, 255)),
-            transform: Transform::from_xyz(0.0, 0.5, 0.0),
-            ..default()
-        },
+        Mesh3d(meshes.add(Cuboid::new(1.0, 1.0, 1.0))),
+        MeshMaterial3d(materials.add(Color::srgb_u8(124, 144, 255))),
+        Transform::from_xyz(0.0, 0.5, 0.0),
         Cube,
     ));
+
     // light
-    commands.spawn(PointLightBundle {
-        point_light: PointLight {
+    commands.spawn((
+        PointLight {
             shadows_enabled: true,
             ..default()
         },
-        transform: Transform::from_xyz(4.0, 8.0, 4.0),
-        ..default()
-    });
+        Transform::from_xyz(4.0, 8.0, 4.0),
+    ));
+
     // camera
-    commands.spawn(Camera3dBundle {
-        transform: Transform::from_xyz(-2.5, 4.5, 9.0)
-            .looking_at(Vec3::ZERO, Vec3::Y),
-        ..default()
-    });
-    commands.spawn(TextBundle::from_section(name, TextStyle::default()));
+    commands.spawn((
+        Camera3d::default(),
+        Transform::from_xyz(-2.5, 4.5, 9.0).looking_at(Vec3::ZERO, Vec3::Y),
+    ));
+    commands.spawn((Text::new(name), TextFont::default()));
 }
 
 /// Move the Cube on event