EditorApplication.isUpdating

설명

This property is true if the Editor is currently refreshing the AssetDatabase. During this time, the editor checks to see if any files have changed, whether they need to be reimported, and reimports them. (Read Only)

//using UnityEditor;

public class NewSceneWhileNotUpdating {

    // Simple editor Script that lets you create a new
    // scene if editor is not updating.

    [MenuItem("Example/New Scene while not updating")]
    static void EditorPlaying() {
        if(!EditorApplication.isUpdating) {
            EditorApplication.NewScene();
        }
    }
}