local FuncNode_Sub = class("FuncNode_Sub")

--[[
	初始化
--]]
function FuncNode_Sub:initialize(entity)
    self.LimitChildCount = 2
    self.Type = LuaConst.ConditionFuncType.Sub
end

--[[
	执行
--]]
function FuncNode_Sub:Run(conditionDataNode, entity, missile, buffObject, params)
    local first = conditionDataNode.FirstNode:Run(entity, missile, buffObject, params)
    local second = conditionDataNode.SecondNode:Run(entity, missile, buffObject, params)
    return first - second
end

return FuncNode_Sub