.

Game/Target/TargetEventBus.cs

@@ -0,0 +1,20 @@
+using GodotHostTest.Helpers;
+using GodotHostTest.Interfaces;
+using R3;
+
+namespace GodotHostTest.Game.Target;
+
+public class TargetEventBus : ITargetEventBus
+{
+    private readonly Pipe<Unit> _hitOutPipe = new();
+    private readonly Pipe<Unit> _timedOutPipe = new();
+
+    public Observable<Unit> TimedOut => _timedOutPipe.Observable;
+    public Observable<Unit> Hit => _hitOutPipe.Observable;
+
+    public void NewTargetSpawner(ITargetSpawner targetSpawner)
+    {
+        _timedOutPipe.PipeIn(targetSpawner.TargetSpawned.SelectMany(target => target.TimedOut));
+        _hitOutPipe.PipeIn(targetSpawner.TargetSpawned.SelectMany(target => target.Hit));
+    }
+}

Game/Target/TargetEventBus.cs.uid

@@ -0,0 +1 @@
+uid://clr4u1sedssqu

Game/Target/TargetSpawner.cs

@@ -15,6 +15,7 @@ public partial class TargetSpawner : Node2D, ITargetCollector, ITargetSpawner
     [Export] public required Timer Timer;
 
     [Inject] private ILevel _level = null!;
+    [Inject] private ITargetEventBus _targetEventBus = null!;
 
     public void NewTarget(ITarget target)
     {
@@ -26,6 +27,7 @@ public partial class TargetSpawner : Node2D, ITargetCollector, ITargetSpawner
 
     public override void _Ready()
     {
+        _targetEventBus.NewTargetSpawner(this);
         Spawn();
         Timer.Start(_level.TimeBetweenSpawns.TotalSeconds);
     }

Game/Target/target.tscn

@@ -0,0 +1,33 @@
+[gd_scene format=3 uid="uid://3v8kq1rfwhmr"]
+
+[ext_resource type="Script" uid="uid://bv2hat41dyxiv" path="res://Game/Target/Target.cs" id="1_ouani"]
+[ext_resource type="Texture2D" uid="uid://m4pvy8kkw7k4" path="res://Game/Target/towerDefense_tile136.png" id="2_olsqn"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_uqpd1"]
+radius = 60.033325
+
+[node name="Target" type="Node2D" unique_id=2101558052 node_paths=PackedStringArray("CollisionArea", "Image", "TimeOutTimer")]
+script = ExtResource("1_ouani")
+CollisionArea = NodePath("CollisionArea")
+Image = NodePath("Sprite2D")
+TimeOutDurationInSeconds = 7.0
+TimeOutTimer = NodePath("TimeOutTimer")
+
+[node name="Sprite2D" type="Sprite2D" parent="." unique_id=31059524]
+visible = false
+position = Vector2(3.8146973e-06, 3.8146973e-06)
+scale = Vector2(1.9687501, 1.9687501)
+texture = ExtResource("2_olsqn")
+
+[node name="CollisionArea" type="Area2D" parent="." unique_id=116681968]
+collision_layer = 2
+monitoring = false
+monitorable = false
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="CollisionArea" unique_id=1558252366]
+shape = SubResource("CircleShape2D_uqpd1")
+
+[node name="TimeOutTimer" type="Timer" parent="." unique_id=1079777109]
+one_shot = true
+
+[connection signal="timeout" from="TimeOutTimer" to="." method="OnTimeout"]

Game/Target/towerDefense_tile136.png.import

@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://m4pvy8kkw7k4"
+path="res://.godot/imported/towerDefense_tile136.png-16575e41e8dd7b30e746b25e42404084.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Game/Target/towerDefense_tile136.png"
+dest_files=["res://.godot/imported/towerDefense_tile136.png-16575e41e8dd7b30e746b25e42404084.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1