声音设置：音效与音乐的独立开关

-- 错误：单开关一刀切，音乐音效同生共死
function toggleSound()
    allSoundOn = not allSoundOn
end

local setting = {music = true, effect = true}
local function playSound(id, kind)
    if kind == "music" and not setting.music then
        return
    end
    if kind == "effect" and not setting.effect then
        return
    end
    audioPlay(id, kind)
end
local function toggleMusic()
    setting.music = not setting.music
    saveSetting(setting)
end