Scratch

I found an easter egg, and used the easter egg's code to create new blocks that can report non-existent blocks with colors different from category colors!

I need some help with modding BYOB. Is there a BooleanBlockMorph or is it just ReporterBlockMorph and CommandBlockMorph?

Is there a PredicateBlockMorph?

Hardmath123 wrote:

Please don't get mad at me like last time

Not a question of getting mad; it just makes Jens nervous if people start thinking what's available now is meant to be a finished product.

Everything in 3.1 will be in 4.0 this summer.  We promise.  When/if we announce an official beta that has something missing that we seem to have forgotten, then it'll be helpful to make lists for us.  Right now, what's helpful is to report things that look like they're supposed to be working but that have bugs in them.

But you can send the occasional plea to move something higher up the list.  I've, for example, been bugging Jens about Zebra coloring.  In general that's the kind of feature that I think we can safely leave for last, because it has no implications for the core evaluator, but in fact we're starting to do demos at conferences, and the scripts on the screen are so much easier to read with Zebra coloring!  The others on your list can wait, though, imho.  Wouldn't you rather see costumes?

@ Jens & bharvey
"Right now, what's helpful is to report things that look like they're supposed to be working but that have bugs in them."
I am very pleased to tell you that Save/Open now works fine for simple applications which did not work some few days ago. Good relief !!

mine couldn't save it said "colorPickerMorph has no method 'toXml''" or something like that.

roijac wrote:

but the others on the list, not like costumes, can be implemented in few hours, even less

As we get closer to getting the main stuff done, and the pace of updates slows down, perhaps Jens will accept volunteer contributions of such easy features. 

Edit: Not yet because vetting and merging code would distract Jens from his important work!

P.S.  I am typing this using the new inflight wifi on the way to SIGCSE in Raleigh NC.  Friday is when we have our big take-over-the-world blitz with four Snap!-related events scheduled.  Wish me luck!

Last edited by bharvey (2012-02-28 17:48:48)

Hardmath123 wrote:

Can I make a recursive (the () block)?

Great question!  And, yes, you can.  Do you want me to tell you how, or do you want to try figuring it out first?  Hint: clearly it has to have a way to refer to itself.

This is one of the great wonderful mysteries of lambda calculus.   

veggieman001 wrote:

scimonster wrote:

That problem doesn't happen to me either...

Also, in FF, the green flag and stop sign are great, but in Chromium, they show as green and red boxes. In IE9, the flag shows but the stop sign doesn't.

I'm getting the same problem w/ Chromium.

probably URI security problem 

good luck with convincing them to use snap! 

Hardmath123 wrote:

call/cc? (don't tell me the answer, just if I'm on the right track).

Oh, that's interesting, I bet you could do at least some kinds of recursion using call/cc.  But that's not the official answer; all you need is lambda (as the Beatles explained, only they misread the word "lambda"). 

rdococ wrote:

bharvey wrote:

Hardmath123 wrote:

call/cc? (don't tell me the answer, just if I'm on the right track).

Oh, that's interesting, I bet you could do at least some kinds of recursion using call/cc.  But that's not the official answer; all you need is lambda (as the Beatles explained, only they misread the word "lambda"). 

Answer in blue, mis-read subject in red.
You answered when they didn't want one.

Huh? That's not an answer. That's exactly the info I wanted: is the answer related to call/cc or not. 

@Jens—

Nice update! I see:
• Graphic effects ( )
• Sizes
• Dropdown for directions in the motion block
• Layers

bug report:
dropdowns cannot be assigned to blank input (for use in call with inputs etc.)