void OnTap(TapGesture gesture) { searchType = SearchPathType.TapToWalk; Vector3 interactPos = CameraHelper.ScreenPosToBackgroundPos(gesture.StartPosition); int index = m_pathGrid.GetCellIndex(interactPos); if (index == SimpleAI.Planning.Node.kInvalidIndex) { return; } int[] indexArray = new int[] { index }; m_navigationAgent.MoveToIndex(indexArray); }