Fix issue when removing drawable from scene by setting it's scene to nullptr

openVulkanoCpp/Scene/Node.cpp

@@ -132,12 +132,15 @@ namespace OpenVulkano::Scene
 			node->SetScene(scene);
 		}
 		for (auto& drawable : drawables)
+		{
+			if (scene)
 			{
 				Scene* drawableScene = drawable->GetScene();
 				if(drawableScene && drawableScene != scene) [[unlikely]]
 				{
 					throw std::runtime_error("Drawable is already associated with a scene! Creating copy.");
 				}
+			}
 			drawable->SetScene(scene);
 		}
 	}