【界面UI】技能栏冷却倒计时：烈火剑法CD的图标遮罩与秒数显示

local box = GUI:ItemBox_Create(skillBar, "fireSkill", 12, 8, "res/skill/liehuo.png", 1)
local cdMask = GUI:ProgressTimer_Create(box, "cdMask", 0, 0, "res/public/cd_mask.png", 46, 46)
GUI:ProgressTimer_setPercentage(cdMask, 0)
GUI:addOnClickEvent(box, function()
    SL:SendNetMsg(4301, { skill = "烈火剑法" })
    GUI:ProgressTimer_setPercentage(cdMask, 100)
    GUI:ProgressTimer_progressTo(cdMask, 12, 0, nil, 1)
end)

local cdText = GUI:Text_Create(box, "cdNum", 23, 20, "18", 14, { 255, 255, 120 })
GUI:Text_COUNTDOWN(cdText, 12, function()
    GUI:ProgressTimer_setPercentage(cdMask, 0)
    GUI:setText(cdText, "")
    SL:ShowSystemTips("烈火剑法已就绪")
end)