DoTween实现Blink

function Blink(go, blinkNum, blinkDuration)
    local blinkInterval = 1 / blinkNum
    local halfBlickInterval = blinkInterval * 0.5
    local tweener = DOTween.To(function(prg)
        if prg >= 1 then
            go:ActiveTrans(true)
            return
        end
        local m = math.fmod(prg, blinkInterval)
        if m > halfBlickInterval then
            go:ActiveTrans(false)
        else
            go:ActiveTrans(true)
        end
    end, 0, 1, blinkDuration):SetEase(Ease.Linear)
    return tweener
end