Boolean variables :D

kNoobLauch

Hey, often when I'm working with scratch I need variables which has only two conditions, true or false.
Would be cool if there were variable type.

(Sry 4 bad english… I need a signature

)

jvvg

You can just set a variable to zero or one, and check if it equals one.

vacuumfan7072

if <variable=1>
if <variable=true>

dvd4

You could also just set it to “true” or “false”.

if<(i)=>
}
*block here*
}

kNoobLauch

Yes, I can… but boolean variables would be also nice ._.

roijac

kNoobLauch wrote:
Yes, I can… but boolean variables would be also nice ._.

indeed

Gego51

http://scratch.mit.edu/projects/10841526/

zorket

Lightnin already denied this because he said that it would confuse new scratchers.

alexphan

One question: WHAT ARE BOOLEAN VARIABLES???????!?!?!?:o

drmcw

alexphan wrote:
One question: WHAT ARE BOOLEAN VARIABLES???????!?!?!?:o

A variable that can be either true or false. If it was a Scratch block it would have pointy ends.

Last edited by drmcw (June 30, 2013 06:19:21)

ProdigyZeta7

You know, you could always put boolean in a string argument.
i.e. set boolean to <(boolean) = {false}> (instant true/false switch!)

alexphan

drmcw wrote:
alexphan wrote:
One question: WHAT ARE BOOLEAN VARIABLES???????!?!?!?:o

A variable that can be either true or false. If it was a Scratch block it would have pointy ends.

So that's a boolean variable?
I kind of support because they're timesavers.

There shold be a dropdown, instead of putting strings.

So the block is like this: [set to
false

Then you can put it in a boolean insert, like
if <touching boy?> or
repeat until <touching boy?>

JAVAProgramming

jvvg wrote:
You can just set a variable to zero or one, and check if it equals one.

I agree with jvvg.. It's really easy to set a variable to 1,0, true, or false.

TheScratchGuru

it would help however for organizing variables

turkey3_test

ProdigyZeta7 wrote:
You know, you could always put boolean in a string argument.
i.e. set boolean to <(boolean) = {false}> (instant true/false switch!)

Yeah, just do that,

set [variable v] to <touching [sprite 1 v]?> //this actually works and sets the variable to true or false based on if it's touching or not

vacuumfan7072

forever
set [Verify v] to <loud?>
set [Verify v] to <(var)=(var2)>
set [Verify v] to <Run ANY boolean here>
end

My browser / operating system: Windows 7, Chrome 30.0.1599.101, Flash 11.9 (release 900)

Last edited by vacuumfan7072 (Oct. 26, 2013 02:24:46)

stevetheipad

One of the goals of Scratch is to make it easy to use and simple to learn. Booleans are more complicated and are often used in large, complex code. Since the only people that would want booleans would be those who have more experience in programming, they would also know how to create booleans within the limitations of Scratch. This being so, it's not really a feature I'd like to see added, nor do I think the Scratch Team should spend time working on this type of featured at the moment.

Cocles

stevetheipad wrote:
One of the goals of Scratch is to make it easy to use and simple to learn. Booleans are more complicated and are often used in large, complex code. Since the only people that would want booleans would be those who have more experience in programming, they would also know how to create booleans within the limitations of Scratch. This being so, it's not really a feature I'd like to see added, nor do I think the Scratch Team should spend time working on this type of featured at the moment.

Yes. Booleans are complicated. Earlier programming languages were also complicated, and no recursion or OOP were implemented into. They were not user friendly, unstructured and strongly typed, among other characteristics. But they evolved into new programming concepts and easy of use. Prehistoric BASIC, ancient LOGO and Scratch nowadays show us that we can make an easy use of complex ideas. This being the case, I do not doubt that it is possible to implement Booleans, inheritance and much more features. I, as a user, would appreciate the efforts of users and Scratch Team and I think they can afford the time and expenses. I appreciate your comment.

Diamond_Projects

Don't forget:

set [ v] to [true v]

And I support.

Last edited by Diamond_Projects (Sept. 17, 2014 13:11:28)

3sal2

(Not supporting)

. Easily worked around.

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