only in CI

Co-Authored-By: Rob Parrett <robparrett@gmail.com>
bevyengine · Mar 16, 2024 · 4b594d0 · 4b594d0
1 parent befaa91
commit 4b594d0
Showing 1 changed file with 10 additions and 5 deletions.
diff --git a/examples/games/alien_cake_addict.rs b/examples/games/alien_cake_addict.rs
@@ -82,7 +82,7 @@ struct Game {
 }
 
 #[derive(Resource, Deref, DerefMut)]
-struct SeededRng(StdRng);
+struct Random(StdRng);
 
 const BOARD_SIZE_I: usize = 14;
 const BOARD_SIZE_J: usize = 21;
@@ -108,7 +108,12 @@ fn setup_cameras(mut commands: Commands, mut game: ResMut<Game>) {
 }
 
 fn setup(mut commands: Commands, asset_server: Res<AssetServer>, mut game: ResMut<Game>) {
-    let mut seeded_rng = StdRng::seed_from_u64(19878367467713);
+    let mut rng = if std::env::var("GITHUB_ACTIONS") == Ok("true".to_string()) {
+        // Make the game play out the same way every time, this is useful for testing purposes.
+        StdRng::seed_from_u64(19878367467713)
+    } else {
+        StdRng::from_entropy()
+    };
 
     // reset the game state
     game.cake_eaten = 0;
@@ -134,7 +139,7 @@ fn setup(mut commands: Commands, asset_server: Res<AssetServer>, mut game: ResMu
         .map(|j| {
             (0..BOARD_SIZE_I)
                 .map(|i| {
-                    let height = seeded_rng.gen_range(-0.1..0.1);
+                    let height = rng.gen_range(-0.1..0.1);
                     commands.spawn(SceneBundle {
                         transform: Transform::from_xyz(i as f32, height - 0.2, j as f32),
                         scene: cell_scene.clone(),
@@ -186,7 +191,7 @@ fn setup(mut commands: Commands, asset_server: Res<AssetServer>, mut game: ResMu
         }),
     );
 
-    commands.insert_resource(SeededRng(seeded_rng));
+    commands.insert_resource(Random(rng));
 }
 
 // remove all entities that are not a camera or window
@@ -312,7 +317,7 @@ fn spawn_bonus(
     mut next_state: ResMut<NextState<GameState>>,
     mut commands: Commands,
     mut game: ResMut<Game>,
-    mut rng: ResMut<SeededRng>,
+    mut rng: ResMut<Random>,
 ) {
     // make sure we wait enough time before spawning the next cake
     if !timer.0.tick(time.delta()).finished() {