[Etoys] EToys question -- clearly I'm missing some key concept
bert at freudenbergs.de
Tue Jan 23 13:57:08 EST 2007
Am Jan 23, 2007 um 19:01 schrieb Steven Greenberg:
> Hi. I would like to use EToys for a project but I'm having a hard
> time adding my own actions. I suspect that I am missing something
> obvious, and would appreciate any pointers you could offer. I've
> tried to RTFM, but I can't find the FM so I'm kind of stuck.
> So... As a test case, I decided that I would make some simple
> methods to animate the opacity of a Morph. I also wanted to add an
> instance variable and manipulate it.
> So I created a subclass of Morph and, on the class side, added:
> ^ #(
> ( (slot grink 'grink is a nonsense variable' String
> readWrite Player getGrink Player setGrink:)
> (command changeOpacityLevel: 'change the opacity
> level' Player) )))
> and I created #getGrink, #setGrink:, and #changeOpacityLevel: on
> the new subclass of Morph.
> When I instantiate the new object and open an etoys viewer, the
> "seg" category is there but it is empty.
In Etoys you are scripting Players, not Morphs. The Morphs are just a
costume for a Player. You need to add those methods to class Player,
and forward them to its costume.
- Bert -
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