level boundaries

PongFE/Engines/Spawners/BoundarySpawner.cs

@@ -0,0 +1,18 @@
+using Encompass;
+using PongFE.Components;
+using PongFE.Messages;
+
+namespace PongFE.Spawners
+{
+    public class BoundarySpawner : Spawner<BoundarySpawnMessage>
+    {
+        protected override void Spawn(BoundarySpawnMessage message)
+        {
+            var entity = CreateEntity();
+
+            AddComponent(entity, new PositionComponent(message.Position));
+            AddComponent(entity, new CollisionComponent(new MoonTools.Bonk.Rectangle(0, 0, message.Width, message.Height)));
+            AddComponent(entity, new CanCauseBounceComponent());
+        }
+    }
+}

PongFE/Messages/BoundarySpawnMessage.cs

@@ -0,0 +1,19 @@
+using Encompass;
+using MoonTools.Structs;
+
+namespace PongFE.Messages
+{
+    public struct BoundarySpawnMessage : IMessage
+    {
+        public Position2D Position { get; }
+        public int Width { get; }
+        public int Height { get; }
+
+        public BoundarySpawnMessage(Position2D position, int width, int height)
+        {
+            Position = position;
+            Width = width;
+            Height = height;
+        }
+    }
+}

PongFE/PongFEGame.cs

@@ -64,6 +64,7 @@ namespace PongFE
             WorldBuilder.AddEngine(new UpdateVelocityEngine());
 
             WorldBuilder.AddEngine(new BallSpawner(BallTexture));
+            WorldBuilder.AddEngine(new BoundarySpawner());
 
             WorldBuilder.AddOrderedRenderer(new Texture2DRenderer(SpriteBatch));
 
@@ -78,7 +79,34 @@ namespace PongFE
             WorldBuilder.SendMessage(
                 new BallSpawnMessage(
                     new MoonTools.Structs.Position2D(640, 360),
-                    new System.Numerics.Vector2(-100, -20)
+                    new System.Numerics.Vector2(-200, -50)
+                )
+            );
+
+            // top boundary
+            WorldBuilder.SendMessage(
+                new BoundarySpawnMessage(
+                    new MoonTools.Structs.Position2D(0, -6),
+                    1280,
+                    6
+                )
+            );
+
+            // right boundary
+            WorldBuilder.SendMessage(
+                new BoundarySpawnMessage(
+                    new MoonTools.Structs.Position2D(1280, 0),
+                    6,
+                    720
+                )
+            );
+
+            // bottom boundary
+            WorldBuilder.SendMessage(
+                new BoundarySpawnMessage(
+                    new MoonTools.Structs.Position2D(0, 720),
+                    1280,
+                    6
                 )
             );