public override void OnInspectorGUI()
        {
            base.OnInspectorGUI();

            EditorGUILayout.LabelField(GridSnapper.IsSnapping ? "Snapping..." : "Not snapping.");
            if (GridSnapper.IsSnapping && GUILayout.Button("Stop snapping"))
            {
                GridSnapper.StopSnapping();
            }
            if (!GridSnapper.IsSnapping && GUILayout.Button("Start snapping"))
            {
                GridSnapper.StartSnapping();
            }
        }