private void PerformUndo()
{
if (m_undoStack.IsEmpty())
{
// nothing to do
return;
}
m_redoStack.Push(m_code);
m_code = m_undoStack.Pop();
PerformUndoRedo(m_code);
}
private void Update()
{
undoButton.interactable = !GameManager.Instance.Waiting && !_moves.IsEmpty();
}