Score

src/main.rs

@@ -6,6 +6,7 @@ use crate::camera::CameraPlugin;
 use crate::collision::CollisionPlugin;
 use crate::obstacle::ObstaclePlugin;
 use crate::player::PlayerPlugin;
+use crate::score::ScorePlugin;
 
 mod background;
 mod bounds;
@@ -32,5 +33,6 @@ fn main() {
         .add_plugins(CollisionPlugin) // Collisions
         .add_plugins(ObstaclePlugin) // Obstacles
         .add_plugins(BoundsPlugin) // Bound player
+        .add_plugins(ScorePlugin) // Score
         .run();
 }

src/score.rs

@@ -1,18 +1,55 @@
 use bevy::prelude::*;
 
-use crate::player::{Player, START_POSITION};
+use crate::player::{Player, START_POSITION, move_player};
 
-#[derive(Resource)]
+#[derive(Resource, Default)]
 pub struct Depth(pub f32);
 
+// Update depth of the player
 fn update_depth(mut depth: ResMut<Depth>, player: Single<&Transform, With<Player>>) {
     depth.0 = START_POSITION.y - player.translation.y;
 }
 
-fn spawn_depth_text() {
-    todo!()
+#[derive(Component)]
+pub struct DepthText;
+
+// Display the initial text of the depth (Score)
+fn spawn_depth_text(mut commands: Commands) {
+    commands.spawn((
+        Text::new("0"),
+        TextFont {
+            font_size: FontSize::Px(50.0),
+            ..default()
+        },
+        TextColor(Color::WHITE),
+        Node {
+            position_type: PositionType::Absolute,
+            top: Val::Px(20.0),
+            left: Val::Px(20.0),
+            ..default()
+        },
+        DepthText,
+    ));
 }
 
-fn update_depth_text() {
-    todo!()
+// Update depth score text
+fn update_depth_text(
+    mut commands: Commands,
+    depth: Res<Depth>,
+    mut texts: Query<&mut Text, With<DepthText>>,
+) {
+    for mut text in texts {
+        text.0 = format!("Score: {}", depth.0);
+    }
+}
+
+pub struct ScorePlugin;
+
+impl Plugin for ScorePlugin {
+    fn build(&self, app: &mut App) {
+        app.add_systems(Startup, spawn_depth_text)
+            .init_resource::<Depth>()
+            .add_systems(Update, update_depth.after(move_player))
+            .add_systems(Update, update_depth_text);
+    }
 }