fix: behaviour controllers of universe objects not being initialized

Engine.Core/BehaviourController.cs

@@ -127,6 +127,8 @@ public class BehaviourController : BaseEntity, IBehaviourController
 
     public void Update()
     {
+        Debug.AssertHelpers.AssertInitialized(this);
+
         if (!UniverseObject.StateEnable.Enabled || !StateEnable.Enabled)
             return;
 
@@ -136,6 +138,8 @@ public class BehaviourController : BaseEntity, IBehaviourController
 
     public void UpdatePreDraw()
     {
+        Debug.AssertHelpers.AssertInitialized(this);
+
         if (!UniverseObject.StateEnable.Enabled || !StateEnable.Enabled)
             return;
 

Engine.Core/UniverseObject.cs

@@ -156,6 +156,7 @@ public class UniverseObject : BaseEntity, IUniverseObject
     {
         base.InitializeInternal();
         _behaviourController ??= Factory.BehaviourControllerFactory.Instantiate(this);
+        _behaviourController.Initialize();
     }
 
     public UniverseObject()