Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
[ Pendulum Effect ] Once per turn: You can increase this card's Pendulum Scale by 1 (max. 12). ---------------------------------------- [ Monster Effect ] When your Pendulum Monster is targeted for an attack: You can negate the attack. You can only use this effect of "Performapal Trumpanda" once per turn.
--EMラ・パンダ
--Performapal Trumpanda
local s,id=GetID()
function s.initial_effect(c)
	--pendulum summon
	Pendulum.AddProcedure(c)
	--scale change
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_PZONE)
	e2:SetCountLimit(1)
	e2:SetTarget(s.sctg)
	e2:SetOperation(s.scop)
	c:RegisterEffect(e2)
	--negate attack
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e3:SetCode(EVENT_BE_BATTLE_TARGET)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCountLimit(1,id)
	e3:SetCondition(s.condition)
	e3:SetOperation(s.operation)
	c:RegisterEffect(e3)
end
function s.sctg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():GetLeftScale()<12 end
end
function s.scop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) or c:GetLeftScale()>=12 then return end
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetCode(EFFECT_UPDATE_LSCALE)
	e1:SetValue(1)
	e1:SetReset(RESET_EVENT|RESETS_STANDARD_DISABLE)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EFFECT_UPDATE_RSCALE)
	c:RegisterEffect(e2)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local d=Duel.GetAttackTarget()
	return d and d:IsControler(tp) and d:IsFaceup() and d:IsType(TYPE_PENDULUM)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	Duel.NegateAttack()
end