Added GameObject.Null for setting GameObjects to null.

SHADE_Managed/src/Engine/GameObject.cxx

@@ -54,6 +54,14 @@ namespace SHADE
         return GameObject(ENTITY_ID);
     }
 
+    /*---------------------------------------------------------------------------------*/
+    /* Static Properties                                                               */
+    /*---------------------------------------------------------------------------------*/
+    GameObject GameObject::Null::get()
+    {
+        return GameObject();
+    }
+
     /*---------------------------------------------------------------------------------*/
     /* Properties                                                                      */
     /*---------------------------------------------------------------------------------*/

SHADE_Managed/src/Engine/GameObject.hxx

@@ -62,6 +62,17 @@ namespace SHADE
         /// <returns>GameObject that has the specified name. Null if not found.</returns>
         static System::Nullable<GameObject> Find(System::String^ name);
 
+        /*-----------------------------------------------------------------------------*/
+        /* Static Properties                                                           */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Default empty GameObject.
+        /// </summary>
+        static property GameObject Null
+        {
+            GameObject get();
+        }
+
         /*-----------------------------------------------------------------------------*/
         /* Properties                                                                  */
         /*-----------------------------------------------------------------------------*/