Scratch

bharvey wrote:

joefarebrother wrote:

Then maybe there should be a way to specify a varadic input on a ring?

Yeah, eventually we want to be able to click on a formal parameter of a ring and get the whole long form input dialog.  Probably not soon.

But for now there could be  a feature where you right-click on the last input on a ring and one of the options is "make varadic" and it will show the three dots after it and when more arguments that expected are passed, the last ones are compiled into a list and given to the varadic argument.

EDIT: Yay! new page!

Last edited by joefarebrother (2012-05-12 02:54:14)

joefarebrother wrote:

But for now there could be a feature[...]

I don't like "for now" features; they lead to unclean code later and, more important, distract Jens from the many missing permanent features.  It's not an emergency because you can, as a workaround, put the inputs in a list explicitly and use that as the (single) input to the ringed expression.

You don't have to remind me about the "for now" project saving mechanism; I hate that, too.  But that was an emergency.

Pecola1 wrote:

Can you check out: http://scratch.mit.edu/forums/viewtopic.php?pid=1237770

Done.

bharvey wrote:

joefarebrother wrote:

But for now there could be a feature[...]

I don't like "for now" features; they lead to unclean code later and, more important, distract Jens from the many missing permanent features.  It's not an emergency because you can, as a workaround, put the inputs in a list explicitly and use that as the (single) input to the ringed expression.

You don't have to remind me about the "for now" project saving mechanism; I hate that, too.  But that was an emergency.

Except it wouldn't really make sense to have the long input dialogue on a ring input because how will it display the icons of the inputs when called?

joefarebrother wrote:

how will it display the icons of the inputs when called?

That's a really good question, to which I don't have a good answer.  We could make a special case of an explicit ringed anonymous procedure in a CALL block, and make the extra input slots of the CALL the right shapes, but the more usual case is that the first input to CALL is a variable, whose value isn't known until runtime.  I may have to give up on this idea, but not without further thought... 

joefarebrother wrote:

But a still think you should be able to right-click on an input and choose "make varadic"

I have a phone meeting scheduled with Jens later this week; we can put this on the agenda.

blob8108 wrote:

I always wondered how you guys worked together

Email, mostly, with the occasional Skype call and the even more occasional face-to-face meeting.

Hardmath123 wrote:

Hey Jens, how exactly does your Morphic inheritance work? I've isolated this little snippet which should be doing the inheritance bit:

Code:

Morph.prototype = new Node();
Morph.prototype.constructor = Morph;
Morph.uber = Node.prototype;

I had the first line figured out on my own even before I peeked at Morphic.js (yay!), but what do the next two do? What does the "uber" attribute contain, and shouldn't the Constructor remain Morph even if you modify Morph's prototype? Or does Node's prototype include the constructor attribute set to Node? (Sorry, I'm not good with all this prototyping business). Though I have verified that this does indeed work, and can be generalized to this:

Code:

function inherit(parent, child) {
  child.prototype = new parent();
  child.prototype.constructor = child;
  child.uber = parent.prototype;
}
function Morph() {
 inherit(Node, Morph);
 // ...
}

which solves my coding problem perfectly, I'd still like to understand how it works.

Thanks,
Hardmath

i think 'uber' is like the namespace the object inherits from, because über means above in german. the constructor is probably called afterwards from the init function or something...
just guessing, though

I know this is hard but you might think about putting a list in snap 

O cool so they are like 2D arrays?
sorry for the nubby question but how do you make a list I can't find it   

Last edited by jurk (2012-05-15 04:52:34)

WOW O_o cool thanks for taking the time and showing me ;D I now think that  snap is almost as good a scratch or even better 

I WANT BYOB, but my computer is the school's and I can't download anything with it. Scratch came with it.

I made a try/catch block!
http://tinyurl.com/try-catch-block I had to tinyurl that  so it wouldn't be caught by the scratch forum size limit. Once again,  YOU HAVE TO WRITE A PHP SCRIPT TO GENERATE THE IMAGES!!!!!!!!!

Last edited by joefarebrother (2012-05-15 11:59:00)