Etoys: parameters, variables, and using non-number data types

John Voiklis voiklis at redfigure.org
Wed Aug 27 20:49:08 UTC 2003


It is that all there is to data types...I guess that I am more up to speed
than I thought.

> Menu  I don't know, never used it.

Actually, the menu data type is the one that inspired all my questions.

Thanks,

John

On Wed, 27 Aug 2003, Karl Ramberg wrote:

>
>
> John Voiklis wrote:
> >
> > Hello,
> >
> > I have been working on creating documentation (ref. manual and tutorials) on the etoy environment. I have made progress, but, every so often, my knowledge of the system proves inadequate. In those cases, I turn to the community for help. To that end, I sent the message below to the Squeakland list; something tells me, though, that I should have sent it here. Can anyone help:
> >
> > ...
> >
> > I have been tinkering with writing some advanced topic tutorials and I have run aground when it comes to using non-number data types with variables and with using parameters (whatever the data type).
> >
> > Can someone give me the run down on the use and usefulness of the various variable data types, as well as the use and usefulness of etoy parameters?
> >
> > I am not looking for anything in-depth; after all, tutorial writing is my problem. A quick explanation and an even quicker example is more than I need.
> >
> Hmm, how much do you need to know ? ;-)
> Well, you have:
> Boolean
> Color
> Graphic
> Menu
> Number
> Player
> ScriptName
> Sound
> String
>
> Most are for setting, getting and testing.
> Boolean is either true or false.  Use for setting,getting or testing.
> Color is a color as color, not as a rgb value. Use for setting,getting
> or testing color.
> Graphic is the Players graphic eg. drawing. Use it for animation.
> Menu  I don't know, never used it.
> Number is for numbers. Use for setting,getting or testing.
> Player is the morph on screen and it's player.
> ScriptName I don't know, never used it.
> Sound is for sounds.
> Strings for text.
>
> Karl
>



More information about the Squeak-dev mailing list