code refactoring

openVulkanoCpp/Scene/Node.cpp

@@ -110,6 +110,15 @@ namespace OpenVulkano::Scene
 		UpdateWorldMatrix(parent ? parent->GetWorldMatrix() : Math::Matrix4f(1));
 	}
 
+	Node* Node::GetRoot()
+	{
+		if (IsRoot() || !parent)
+		{
+			return this;
+		}
+		return parent->GetRoot();
+	}
+
 	void Node::UpdateWorldMatrix(const Math::Matrix4f& parentWorldMat)
 	{
 		worldMat = parentWorldMat * localMat;