Help Me, Need To Know Cannot ActionScript

[Dbiro]

Hey Guys,
I'm Making a military based game with a store to buy things. In the game you have $1000 to start and I want to buy a $50 item. I Know how to buy these items but my cash is able to go below 0. How Do I stop This From Happening?
I Made a Variable Already Called CashBox and I have some code on a frame at the begining of the movie;

var CashBox:Number = 1000;
CashBox <> 0;
var WishToBuy:Number = 0;

WishToBuy is the amount of money I Wish to spend anyways ya.
I was told that <> means Cannot so I Put that into the code but Since My Cash Still Goes Below 0. I Think That's False. So I Need To Know The Cannot = sign for ActionScript and Please Fix The Code I have if there's anything wronge with it.

Also On The Button That's Says Buy on it I Have The Code,

on (release) {
_root.CashBox -= 50;
_root.CashBox <> 0;
}
// <> I Think It Means Does Not. Not Cannot. *Just a side Note*

Anyways Ya, If You Know The Answer, Please E-Mail Me The Answer To This At DanielBiro@Hotmail.com

[deadbeat]

<> does not mean cannot, it is a (deprecated) operator to test if two values do not equal each other...see:

http://livedocs.adobe.com/flash/8/ma....html#wp182024

What you need is a conditional check to test if your funds available are greater than the cost of the item - if so, allow the purchase...ie:

code:

---

var cash=1000;

var price=50;



function purchase(quantity, price){

var cost=quantity*price;



if(cash>=cost){

cash-=cost;

trace("purchase approved. Cash remaining: "+cash);

}

else{

trace("purchase failed - not enough cash");

}

}



purchase(1,50); // ok



purchase(10,500); // fails

---

HTH,

K.

[Dbiro]

<> does not mean cannot, it is a (deprecated) operator to test if two values do not equal each other...see:

http://livedocs.adobe.com/flash/8/ma....html#wp182024

What you need is a conditional check to test if your funds available are greater than the cost of the item - if so, allow the purchase...ie:

code:

---

var cash=1000;

var price=50;



function purchase(quantity, price){

var cost=quantity*price;



if(cash>=cost){

cash-=cost;

trace("purchase approved. Cash remaining: "+cash);

}

else{

trace("purchase failed - not enough cash");

}

}



purchase(1,50); // ok



purchase(10,500); // fails

---

HTH,

K.

what do i put that code on though?
does it matter?

[Dbiro]

what do i put that code on though?
does it matter?

oh, and on that code I replace price with _root.WishToBuy and Cash With _root.CashBox?

also, the button that you press only lets you buy 1 of the item at a time. so would i replace quantity with 1?

[deadbeat]

Yeah, if you can only ever buy 1 item at a time, you can do away with the quantity part altogether...

The key part of that code is the if statement which checks whether there are enough funds available to purchase the item, and then accepts or rejects the purchase accordingly...

K.