initial commit: bevy setup, background, score counter

src/main.rs

@@ -0,0 +1,82 @@
+use bevy::prelude::*;
+
+// This resource tracks the game's score
+#[derive(Resource, Deref, DerefMut)]
+struct Score (usize);
+
+#[derive(Component)]
+struct ScoreboardUi;
+
+const BG_COLOR: Color = Color::srgb(0.949, 0.937, 0.769);
+const SCOREBOARD_FONT_SIZE: f32 = 44.0;
+const TEXT_COLOR: Color = Color::BLACK;
+const SCORE_COLOR: Color = Color::srgb(0.4, 0.05, 0.04);
+const SCOREBOARD_TEXT_PADDING: Val = Val::Px(22.0);
+
+pub struct SqPlugin;
+
+impl Plugin for SqPlugin {
+    fn build (&self, app: &mut App) {
+        // add things to your app here
+        app
+            .insert_resource(Score(0))
+            .insert_resource(ClearColor(BG_COLOR))
+
+            ;
+    }
+}
+
+fn setup (
+    mut commands: Commands,
+    mut meshes: ResMut<Assets<Mesh>>,
+    mut materials: ResMut<Assets<ColorMaterial>>,
+    asset_server: Res<AssetServer>,
+) {
+    commands.spawn(Camera2dBundle::default());
+
+    commands.spawn((
+        ScoreboardUi,
+        TextBundle::from_sections([
+            TextSection::new(
+                "Score: ",
+                TextStyle {
+                    font_size: SCOREBOARD_FONT_SIZE,
+                    color: TEXT_COLOR,
+                    ..default()
+                },
+            ),
+            TextSection::from_style(TextStyle {
+                font_size: SCOREBOARD_FONT_SIZE,
+                color: SCORE_COLOR,
+                ..default()
+            }),
+        ])
+        .with_style(Style {
+            position_type: PositionType::Absolute,
+            top: SCOREBOARD_TEXT_PADDING,
+            left: SCOREBOARD_TEXT_PADDING,
+            ..default()
+        }),
+        ));
+
+}
+
+fn update_scoreboard (score: Res<Score>, mut query: Query<&mut Text, With<ScoreboardUi>>) {
+    let mut text = query.single_mut();
+    text.sections[1].value = score.to_string();
+}
+
+
+fn main () {
+    App::new()
+        .add_plugins((DefaultPlugins.set(WindowPlugin {
+            primary_window: Some(Window {
+                title: String::from("4096GAME"),
+                ..Default::default()
+            }),
+            ..Default::default()
+        }), SqPlugin))
+        .add_systems(Startup, setup)
+        .add_systems(Update, update_scoreboard)
+        .run();
+}