MairoPizzaAppSt $19$ issues

@IBAction func addCart$(\_$ sender: UIButton$)\{$

$//$ This function adds items to shopping cart

var tempPrice $=0\mathrm{.}0$

var location $=0//$ index in an array

var newitem $=$ cart$()//$ Temp Cart Variable

var num$\_$of$\_$items: Int $=0//$ numberof item in array before adding it

var x : Int $//$ counter variable

num$\_$of$\_$items $=$ playerOrder.count $//$ assigns num$\_$of$\_$items to number of items in myorder array

x $=$ num$\_$of$\_$items $//$ assign num$\_$of$\_$items to x

if $($quantity $!=0)\{//$ Check qty is greater than Zero

if $($x $$ maxorder$)//$ check number of items in cart versus max cart capacity of $5$

$\{$

tempPrice $=$ price $*$ Double$($quantity$)//$ set for ext price

x $+=1//$ add new line to the order

$//$ Assign data to newitem cart variable

newitem.lineItem $=$ x

newitem.order$\_$qty $=$ quantity

newitem.item$\_$desc $=$ menu

newitem.ext$\_$Price $=$ tempPrice

newitem.item$\_$price $=$ price

location $=$ x$-1//$ get next location in array

$//$ insert newitem into playerOrder array at location x

playerOrder.insert$($newitem$,$ at: location$)$

$//$ update ordertotal and bill variables

ordertotal $=$ ordertotal $+$ tempPrice

bill $=$ ordertotal $*$ tax $\}$

else

$\{$

$//$ prints quanity to "Cart is full"

marioStart.text $=$ "Cart is Full"

$\}$

$\}$

printorder$()//$ upates viewcart label

bullitBill.text $="$ $$"+$ String$($format:$"\%\mathrm{.}2$f$",$bill$)//$ Updates billtext

$\}$

@IBAction func removeItem$(\_$ sender: UIButton$)\{$

$//$ Remove one item from cart at line item x

var refund:Double! $//$ Amount of money to removed from the bill and ordertotal

var removedLine: Int! $//$ Line being deleted

var checkarray :Int! $//$ amount of item in array

if $($deleteLine$.$text $!="")//$check if user entered line item to delete

$\{$

removedLine $=$ Int$($deleteLine$.$text!$)$

if $($removedLine $>0)//$ && removedLine $$ playerOrder.count $)//$ Check if removedline $>0$

$\{$

refund $=$ playerOrder$[$removedLine$-1].$ext$\_$Price $//$ get amount of refund from location

ordertotal $=$ ordertotal $-$ refund $//$ updates ordertotal

bill $=$ ordertotal $*$ tax $//$ updates bill

bullitBill.text $=$ String$($format:$"\%\mathrm{.}2$f$",$bill$)//$change billtext

playerOrder.remove$($at: removedLine$-1)//$ remove object from player orderder array

checkarray $=$ playerOrder.count

if $($checkarray $!=0)$

$\{$

$//$ array has items to print and updates it

printorder$()$

$\}$

else if$($checkarray $==0)$

$\{$

$//$ array is empty reset the app

resetApp$()$

$\}$

$\}$

else $//$ check if zero or less, Cause an erro$\{$

deleteLine.text $=$ "ERR"

$\}$

$\}$

$\}$

func printorder$()$

$\{$

$//$ update Viewcart label

var newline $=""$

let arrayct $=$ playerOrder.count

if $($arrayct $==1)//$ Print $1$st item only

$\{$

newline $=$ String$($playerOrder$[0].$lineItem$)+""+$ String$($playerOrder$[0].$order$\_$qty$)+"$ Each"$+$playerOrder$[0].$item$\_$desc$+"$ $$"+$ String$($format:$"\%\mathrm{.}2$f$",$playerOrder$[0].$ext$\_$Price$)$

marioText.append$($newline$)$

$\}$

else if$($arrayct$>1)//$ Print all items

$\{$

let ni $=$ arrayct$-1$

marioText $=""$

for index in $0...$ni $\{$

newline $=$ String$($playerOrder$[$index$].$lineItem$)+""+$ String$($playerOrder$[$index$].$order$\_$qty$)+$ "Each"$+$playerOrder$[$index$].$item$\_$desc$+"$ $$"+$ String$($format:$"\%\mathrm{.}2$f$",$playerOrder$[$index$].$ext$\_$Price$)$

newline.append $("$

$")$

marioText.append$($newline$)$

$\}$

$\}$

else $//$ shows empty cart

$\{$

marioText $=""$

$\}$

$//$ viewcart to ordertext

if marioText $!="$

$\{$

cartView.text $=$ marioText

$\}$

else

$\{$

cartView.text $=$ "EMPTY CART"

$\}$

$\}$

@IBAction func payBill$(\_$ sender: UIButton$)\{$

var change: Double $=0\mathrm{.}00$

if $($payMario$.$text $!="")$

$\{$

let pay $=$ Double$($payMario$.$

Big blue box is a shopping cart. The line items are cart structures. example of line item $(1\mathrm{.}1$ small soda $$2\mathrm{.}00)$I got everything working execpt the empty cart button and print order needs to rest to orginal state. $($picutre is orginal state$)$ How do I remove line items from the cart structure items when I print order or empty cart? This is swift code cartView is the name of the box in my code. Top two items in second picture are from previous order in second pic.