【界面UI】伤害飘字动画：烈火剑法暴击数字的缩放与上飘

local function floatDmg(x, y, num, crit)
    local color = crit and { 255, 90, 40 } or { 235, 235, 235 }
    local txt = GUI:Text_Create(dmgLayer, "dmg" .. os.clock(), x, y, tostring(num), crit and 22 or 16, color)
    GUI:setScaleX(txt, 1.6)
    GUI:setScaleY(txt, 1.6)
    SL:Schedule(function()
        local px, py = GUI:getPosition(txt)
        GUI:setPosition(txt, px, py + 3)
        GUI:setScaleX(txt, GUI:getScaleX(txt) - 0.03)
        GUI:setScaleY(txt, GUI:getScaleY(txt) - 0.03)
    end, 0.03)
end

local alive = 0
local function onDmg(x, y, num, crit)
    if alive >= 40 then
        mergeCount = (mergeCount or 0) + num
        return
    end
    alive = alive + 1
    floatDmg(x, y, num, crit)
end