Parameters
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Thanks Bert, Pato, and Ricardo! Very helpful information!! I appreciate your time and knowledge.
Christine -----Original Message----- From: [hidden email] [mailto:[hidden email]] On Behalf Of [hidden email] Sent: Monday, March 28, 2011 9:59 AM To: [hidden email] Subject: squeakland Digest, Vol 95, Issue 18 Send squeakland mailing list submissions to [hidden email] To subscribe or unsubscribe via the World Wide Web, visit http://lists.squeakland.org/mailman/listinfo/squeakland or, via email, send a message with subject or body 'help' to [hidden email] You can reach the person managing the list at [hidden email] When replying, please edit your Subject line so it is more specific than "Re: Contents of squeakland digest..." Today's Topics: 1. Re: What is a parameter in etoys? (Ricardo Moran) ---------------------------------------------------------------------- Message: 1 Date: Mon, 28 Mar 2011 10:58:56 -0300 From: Ricardo Moran <[hidden email]> To: Bert Freudenberg <[hidden email]> Cc: Mailinglist Squeakland <[hidden email]> Subject: Re: [squeakland] What is a parameter in etoys? Message-ID: <AANLkTi=B814HOVNhnct6JdmFS9o0ktEgm38xYyUCGqb=@mail.gmail.com> Content-Type: text/plain; charset="iso-8859-1" Great explanation! I didn't know the difference between "arguments" and "parameters" :) BTW, is this written somewhere? It would be cool to add it to the manual... On Mon, Mar 28, 2011 at 10:02 AM, Bert Freudenberg <[hidden email]>wrote: > On 28.03.2011, at 14:17, Christine Murakami wrote: > > Do you have some documentation on how parameters work in Etoys and > what they can accomplish? I looked it up in your Floss manual but it > was unclear to me where to find that information. > > > Many tiles in Etoys have a parameter. It is a value that influences > the behavior of that tile. > > For example, the "forward by" tile has a parameter that specifies how > far the object should move. The "make sound" parameter specifies which > sound to make. Etc. > > You can also make your own tiles. When you create a new script, a tile > for it is placed in an object's "scripts" viewer category. That tile > can be used in another script. > > The "add parameter" menu entry lets you add a parameter to your own tile. > If you use that new tile in another script, you can set a specific > value for the parameter just like with any other tile. > > Inside the script for your tile, that parameter is shown in the title bar. > It is called "number" (unless you change the parameter type). You drag > this "number" tile and use it like any variable tile in that script. > > E.g. in this script, I used the "number" tile four times: > > > Every time you use your new tile, you can give it another "concrete" value. > That's why in the script itself, you only have the "abstract" value > called "number". (Computer scientists call the concrete values > "arguments" and the abstract values "parameters", but even programmers > get confused about the > distinction) > > > Note that after adding a parameter, you can not set your script to > "ticking" anymore, because it now needs a parameter. It only gets a > concrete value for the parameter from another script where your tile is used. > Additionally, you can set a value in the viewer, and hit the yellow > button to run your script with that value: > > > - Bert - > > > _______________________________________________ > squeakland mailing list > [hidden email] > http://lists.squeakland.org/mailman/listinfo/squeakland > > An HTML attachment was scrubbed... URL: <http://lists.squeakland.org/pipermail/squeakland/attachments/20110328/791ef023/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: image/png Size: 26160 bytes Desc: not available URL: <http://lists.squeakland.org/pipermail/squeakland/attachments/20110328/791ef023/attachment.png> -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: image/png Size: 15851 bytes Desc: not available URL: <http://lists.squeakland.org/pipermail/squeakland/attachments/20110328/791ef023/attachment-0001.png> -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: image/png Size: 4833 bytes Desc: not available URL: <http://lists.squeakland.org/pipermail/squeakland/attachments/20110328/791ef023/attachment-0002.png> ------------------------------ _______________________________________________ squeakland mailing list [hidden email] http://lists.squeakland.org/mailman/listinfo/squeakland End of squeakland Digest, Vol 95, Issue 18 ****************************************** _______________________________________________ squeakland mailing list [hidden email] http://lists.squeakland.org/mailman/listinfo/squeakland |
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