Breakout

src/debug.rs

@@ -0,0 +1,49 @@
+use bevy::prelude::*;
+
+use crate::{Brick, GameState, WORLD_SIZE};
+
+pub(crate) struct DebugPlugin;
+
+impl Plugin for DebugPlugin {
+    fn build(&self, app: &mut App) {
+        if !cfg!(feature = "debug") {
+            return;
+        }
+
+        app.add_systems(
+            Update,
+            (
+                draw_world_bounds,
+                log_state_transitions.run_if(state_changed::<GameState>),
+                cheat_codes,
+            ),
+        );
+    }
+}
+
+fn draw_world_bounds(mut gizmos: Gizmos) {
+    gizmos.rect_2d(
+        Isometry2d::from_translation(WORLD_SIZE / 2.),
+        WORLD_SIZE,
+        LinearRgba::RED,
+    );
+}
+
+fn log_state_transitions(state: Res<State<GameState>>) {
+    info!({ ?state }, "State changed");
+}
+
+fn cheat_codes(
+    mut commands: Commands,
+    input: Res<ButtonInput<KeyCode>>,
+    bricks: Query<Entity, With<Brick>>,
+) {
+    if input.pressed(KeyCode::Digit1) {
+        let mut iter = bricks.iter();
+        _ = iter.next();
+
+        for entity in iter {
+            commands.entity(entity).despawn();
+        }
+    }
+}