Scratch

Kowalskz · 2011-02-12 08:47:48

Hi,

Is there a way to get out of a Repeat Until or Forever If loop prematurely?

I am looking for something similar to the Exit command in some other programming languages.

Thanks.

Lar-Rew · 2011-02-12 08:50:09

You can use this block to exit a script prematurely:

[blocks]<stop script>[/blocks]

Hope that helps!

mathematics · 2011-02-12 09:08:33

There isn't such command in Scratch yet. However, it has already been suggested.

<stop script>[/blocks] stops the whole script, so...
- always works*:

<forever if>[/blocks] and <if>[/blocks].
- only works* when there is nothing under it:

<repeat( [/blocks] and <repeat until>[/blocks]

* "works" means "works like the Exit command".

Last edited by mathematics (2011-02-12 09:11:04)

scimonster · 2011-02-12 13:56:25

mathematics wrote:
There isn't such command in Scratch yet. However, it has already been suggested.

<stop script>[/blocks] stops the whole script, so...
- always works*:

<forever if>[/blocks] and <if>[/blocks].
- only works* when there is nothing under it:

<repeat( [/blocks] and <repeat until>[/blocks]

* "works" means "works like the Exit command".

Thanks for referring to my suggestion. big_smile I would really like it to happen.

Kowalskz · 2011-02-14 20:58:47

Thanks guys.

I knew about the Stop Script command. However, I can't use it in this case as I need to continue executing the the code after exiting the loop.

mathematics wrote:
There isn't such command in Scratch yet. However, it has already been suggested.

<stop script>[/blocks] stops the whole script, so...
- always works*:

<forever if>[/blocks] and <if>[/blocks].
- only works* when there is nothing under it:

<repeat( [/blocks] and <repeat until>[/blocks]

* "works" means "works like the Exit command".

I don't understand this. These blocks look confusing. Can you elaborate on that? Thanks.

MoreGamesNow · 2011-02-14 21:12:04

Just add a:
<< <and> <( <{ break }> <=> 0 )> >>

and just set break to 1 to break the loop.

mathematics · 2011-02-15 05:32:58

There's no way to exit the loop prematurely then...

Hardmath123 · 2011-02-15 06:39:51

There IS!

Code:

[set [stop] to (1)]
< <repeat clause> and <(stop) = (0)> >

if <premature exit clause>

[set [stop] to (0)]

else

[set [stop] to (1)]

[coding]

and something similar can be done for repeat ().

Last edited by Hardmath123 (2011-02-15 06:40:58)

MoreGamesNow · 2011-02-15 16:20:48

Hardmath123 wrote:
There IS!
Code:
[set [stop] to (1)]
< <repeat clause> and <(stop) = (0)> >

if <premature exit clause>

[set [stop] to (0)]

else

[set [stop] to (1)]

[coding]
and something similar can be done for repeat ().

That's what I said... or tried to say anyway.

mathematics · 2011-02-16 06:46:56

However, I don't get what you guys are saying...

MoreGamesNow · 2011-02-16 18:05:52

Basically make one of the conditions of the loop: Variable == 1

To break the loop, set Variable to 0.

Scratch

archived forums

#1 2011-02-12 08:47:48

How to exit out of a loop prematurely?

#2 2011-02-12 08:50:09

Re: How to exit out of a loop prematurely?

#3 2011-02-12 09:08:33

Re: How to exit out of a loop prematurely?

#4 2011-02-12 13:56:25

Re: How to exit out of a loop prematurely?

mathematics wrote:

#5 2011-02-14 20:58:47

Re: How to exit out of a loop prematurely?

mathematics wrote:

#6 2011-02-14 21:12:04

Re: How to exit out of a loop prematurely?

#7 2011-02-15 05:32:58

Re: How to exit out of a loop prematurely?

#8 2011-02-15 06:39:51

Re: How to exit out of a loop prematurely?

Code:

#9 2011-02-15 16:20:48

Re: How to exit out of a loop prematurely?

Hardmath123 wrote:

Code:

#10 2011-02-16 06:46:56

Re: How to exit out of a loop prematurely?

#11 2011-02-16 18:05:52

Re: How to exit out of a loop prematurely?

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