public override void OnInspectorGUI() { base.DrawDefaultInspector(); Cone cone = target as Cone; if (cone == null) { return; } EditorGUILayout.BeginHorizontal(); // Rebuild mesh when user click the Rebuild button if (GUILayout.Button("Rebuild")) { // check parameter if (cone.CheckParam()) { // update parameter cone.UpdateParam(false); // build mesh cone.BuildMesh(); } } // Reset to last successul build parameter if (GUILayout.Button("Reset")) { cone.UpdateParam(true); } EditorGUILayout.EndHorizontal(); }