Limit number of objects

Hello everyone,

I'm new to Construct2, and I'm trying to create the following behavior:

• Create a new object each 0.5 seconds
• If I've reached 10 objects on screen, remove the first one.

what I have:

• System.Every 0.5:               Create object Obj

      System.Obj.Count >= 10

      System.Pick-nth-instance Obj(0)     Obj.Destroy

I hope I wrote it in an understandable way.

What I'm trying to do is get the first Obj instance and simply destroy it.

Thanks!

I don't get it, is it not working?

2 increments the UID every time an instance of any object is spawned. C2 increments IID every time an instance of a specific object is spawned.

Pick the object with the lowest IID and destroy it?

Lowest IID is always 0.

Hello everyone,

I'm new to Construct2, and I'm trying to create the following behavior:

- Create a new object each 0.5 seconds

- If I've reached 10 objects on screen, remove the first one.

what I have:

- System.Every 0.5:               Create object Obj

      System.Obj.Count >= 10

      System.Pick-nth-instance Obj(0)     Obj.Destroy

I hope I wrote it in an understandable way.

What I'm trying to do is get the first Obj instance and simply destroy it.

Thanks!

Also, it may help you: scirra.com/tutorials/361/understanding-uid-iid-health-of-enemies-and-rocket-smoke-trail

Thanks guys!

What I ended up doing is:

Event: Obj.Count >= 10

-Sub Event: Pick All Obj

--Sub Event: Pick nth 0

Because this is done in the same timing event used to create the objects, if I did the "pick nth(0)" directly it returned the Object I just created. Does that make sense?

Is what I did OK, or did I over complicate it?

Could some one tell me what nth stands for?

http://www.thefreedictionary.com/nth

th [?n?]

adj

1. (Mathematics) Maths of or representing an unspecified ordinal number, usually the greatest in a series of values the nth power

2. Informal being the last, most recent, or most extreme of a long series for the nth time, eat your lunch!

to the nth degree Informal to the utmost extreme; as much as possible

I mean it's like to say, the last "number", the higher, the most recent.

the "N" in "nth" is a number variable.

to say "nth element" is to say "any element that's in the index N".

N also means the number of items in a set. So if I have 10 instances of Object, N=10.

like TELLES0808 reply, it could mean the last item (since N literally is the number of items), but it could also mean "any number between 0 and N" (like in our case).