add assets

examples/simple_example.rs

@@ -1,8 +1,43 @@
-use bevy::{pbr::DirectionalLightShadowMap, prelude::*};
+use bevy::{pbr::{CascadeShadowConfigBuilder, DirectionalLightShadowMap}, prelude::*};
 
 fn main() {
     App::new()
         .insert_resource(DirectionalLightShadowMap { size: 4096 })
         .add_plugins(DefaultPlugins)
+        .add_systems(Startup, setup)
         .run();
 }
+
+fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
+    commands.spawn(
+        Camera3dBundle {
+            transform: Transform::from_xyz(0.7, 0.7, 1.0)
+                .looking_at(Vec3::new(0.0, 0.3, 0.0), Vec3::Y),
+            ..default()
+        }
+    );
+    
+    commands.spawn(DirectionalLightBundle {
+        directional_light: DirectionalLight {
+            shadows_enabled: true,
+            ..default()
+        },
+        // This is a relatively small scene, so use tighter shadow
+        // cascade bounds than the default for better quality.
+        // We also adjusted the shadow map to be larger since we're
+        // only using a single cascade.
+        cascade_shadow_config: CascadeShadowConfigBuilder {
+            num_cascades: 1,
+            maximum_distance: 1.6,
+            ..default()
+        }
+        .into(),
+        ..default()
+    });
+
+    
+    commands.spawn(SceneBundle {
+        scene: asset_server.load("example.gltf"),
+        ..default()
+    });
+}