Make WireframeConfig be a init resource in the sample

Author: UberLambda

examples/3d/wireframe.rs

@@ -12,6 +12,14 @@ fn main() {
             ..default()
         })
         .add_plugins(DefaultPlugins)
+        .insert_resource(WireframeConfig {
+            // To draw the wireframe on all entities, set this to 'true'
+            on_all_meshes: false,
+            // You can also change the default color of the wireframes, which controls:
+            // - all wireframes if `WireframeConfig::on_all_meshes` is set to 'true'
+            // - the wireframe of all entities whose `Wireframe::color` is None otherwise
+            default_color: Color::AQUAMARINE,
+        })
         .add_plugin(WireframePlugin)
         .add_startup_system(setup)
         .run();
@@ -20,17 +28,9 @@ fn main() {
 /// set up a simple 3D scene
 fn setup(
     mut commands: Commands,
-    mut wireframe_config: ResMut<WireframeConfig>,
     mut meshes: ResMut<Assets<Mesh>>,
     mut materials: ResMut<Assets<StandardMaterial>>,
 ) {
-    // To draw the wireframe on all entities, set this to 'true'
-    wireframe_config.on_all_meshes = false;
-    // You can also change the default color of the wireframes, which controls:
-    // - all wireframes if `WireframeConfig::on_all_meshes` is set to 'true'
-    // - the wireframe of all entities whose `Wireframe::color` is None otherwise
-    wireframe_config.default_color = Color::AQUAMARINE;
-
     // plane
     commands.spawn_bundle(PbrBundle {
         mesh: meshes.add(Mesh::from(shape::Plane { size: 5.0 })),