feat: initial import

Game/Score.cs

@@ -0,0 +1,37 @@
+using R3;
+using Godot;
+using GodotHostTest.GodotDI;
+using GodotHostTest.Helpers;
+using GodotHostTest.Interfaces;
+
+namespace GodotHostTest.Game;
+
+public partial class Score : Control
+{
+    [Export] private AnimationPlayer _animationPlayer = null!;
+    [Export] private Label _label = null!;
+    [Inject] private readonly ITargetSpawner _targetSpawner = null!;
+
+    private int _score;
+
+    public override void _Ready()
+    {
+        _targetSpawner.TargetSpawned.Subscribe(OnTargetSpawned).AddTo(this);
+        base._Ready();
+    }
+
+    private void OnTargetSpawned(ITarget target)
+    {
+        _animationPlayer.Play("wiggle");
+        target.Hit.Select(_ => 20).Merge(target.TimedOut.Select(_ => -5)).SubscribeOnce(delta =>
+        {
+            _score += delta;
+            UpdateScore();
+        }).AddTo(this);
+    }
+
+    private void UpdateScore()
+    {
+        _label.Text = $"Score: {_score}";
+    }
+}