use asset server for impact atlas

src/loading_assets.rs

@@ -38,6 +38,12 @@ pub struct UIAssets {
     pub camera: Handle<Image>,
 }
 
+#[derive(AssetCollection, Resource)]
+pub struct GameAssets {
+    #[asset(path = "textures/fx/impact.png")]
+    pub impact_atlas: Handle<Image>,
+}
+
 pub struct LoadingPlugin;
 impl Plugin for LoadingPlugin {
     fn build(&self, app: &mut App) {
@@ -45,6 +51,7 @@ impl Plugin for LoadingPlugin {
             LoadingState::new(GameState::AssetLoading)
                 .continue_to_state(GameState::MapLoading)
                 .load_collection::<AudioAssets>()
+                .load_collection::<GameAssets>()
                 .load_collection::<UIAssets>(),
         );
     }

src/shooting.rs

@@ -2,6 +2,7 @@ use crate::{
     GameState,
     aim::AimState,
     billboards::Billboard,
+    loading_assets::GameAssets,
     npc::Hit,
     physics_layers::GameLayer,
     player::{Player, PlayerRig},
@@ -49,18 +50,12 @@ pub fn plugin(app: &mut App) {
     app.add_observer(on_trigger_state);
 }
 
-fn setup(
-    mut commands: Commands,
-    asset_server: Res<AssetServer>,
-    mut sprite_params: Sprite3dParams,
-) {
-    // TODO: use asset server
-    let image = asset_server.load("textures/fx/impact.png");
+fn setup(mut commands: Commands, assets: Res<GameAssets>, mut sprite_params: Sprite3dParams) {
     let layout = TextureAtlasLayout::from_grid(UVec2::splat(256), 7, 6, None, None);
     let texture_atlas_layout = sprite_params.atlas_layouts.add(layout);
 
     commands.insert_resource(ShotAssets {
-        image,
+        image: assets.impact_atlas.clone(),
         layout: texture_atlas_layout,
     });
 }