continuation of implementing ECS

src/EngineSharp.Core/EngineSharp.Core/ECS/Entity.cs

@@ -0,0 +1,11 @@
+namespace EngineSharp.Core.ECS;
+
+// Maybe look at this C# ECS to get an idea of how to implement one myself
+// https://github.com/friflo/Friflo.Engine.ECS/tree/main
+
+public struct Entity
+{
+    public readonly long Id;
+    
+    private List<LogicComponent> _logicComponents;
+}

src/EngineSharp.Core/EngineSharp.Core/ECS/GameObject.cs

@@ -1,12 +0,0 @@
-namespace EngineSharp.Core.ECS;
-
-// TODO: A GameObject would have a list of Components. A GameObject is basically what will be stored in the scene graph and all components of all GameObjects will have their Update methods etc. be called
-
-// Maybe look at this C# ECS to get an idea of how to implement one myself
-// https://github.com/friflo/Friflo.Engine.ECS/tree/main
-public abstract class GameObject
-{
-    private long Id { get; set; }
-    
-    public abstract void OnUpdate(double deltaTime);
-}

src/EngineSharp.Core/EngineSharp.Core/ECS/LogicComponent.cs

@@ -0,0 +1,11 @@
+namespace EngineSharp.Core.ECS;
+
+// TODO: A LogicComponent would have a list of Components. A LogicComponent is basically what will be stored in the scene graph and all components of all LogicComponents will have their Update methods etc. be called
+
+public abstract class LogicComponent
+{
+    internal Entity _entity; // the entity this component belongs to
+    
+    public abstract void Start();
+    public abstract void OnUpdate(double deltaTime);
+}