[Etoys] Sound tool refactoring and enhancement
karl.ramberg at comhem.se
Wed May 7 13:57:36 EDT 2008
> Bert, the etoy you attached to your previous mail is fabulous; as best
> as I can tell, it demonstrates what Karl has been suggesting in his
> mails. From my point of view, it would be nice if
> 1. more tile scripting options existed for sounds (simple
> transformations that could be applied ....)
> 2. something such as a sound holder or some other collection mechanism
> existed (maybe it already does?)
> As best as I can tell, sound can (obviously) be scripted in response to
> morphic events.
> I'm still wondering if morph events can be scripted in response to
> conditions that exist in a sound? For example, is a sound file ended,
> can a player then change its costume?
> Is there any documentation on the web or elsewhere about extending the
> tile system? Or (my guess) is documentation mostly the class comments,
> etc. in Etoys?
I don't know of any documentation but take a look at the attached change
set that adds tile scripting to StarMorphs.
Feel free to ask questions if you have any.
> Bert Freudenberg wrote:
>> On 07.05.2008, at 09:38, karl wrote:
>>> K. K. Subramaniam wrote:
>>>> On Tuesday 06 May 2008 11:49:02 pm you wrote:
>>>>> There are lots of possible pathways here to make nicer sound / music
>>>>> environment but it needs to be thought through and carefully designed.
>>>> An interesting application of sound tiles for learning is seen in
>>>> It illustrates how units of sounds can be combined using simple
>>>> algebras to
>>>> produce rhythms. In the process, children get to learn about
>>>> repetitions, multiples and so on.
>>>> Regards .. Subbu
>>> Thats really cool. You can kind of do the same with the Sound
>>> SequencerMorph, in a linear fashion. And the UI should be cleaned up a
>> I made an Etoy a while ago, see attachment. Drag the yellow "notes"
>> off the circle, and resize them to change pitch. Now, what would be
>> really cool if we could make this use an instrument instead of the
>> simple sine wave ...
>> The same thing should be doable with percussions, just drop some
>> sampled sounds into the world.
>> On the XO it would be great to use TamTam instruments. We have OSC for
>> Squeak ...
>> - Bert -
>> Etoys mailing list
>> Etoys at lists.laptop.org
-------------- next part --------------
'From etoys3.0 of 24 February 2008 [latest update: #1985] on 26 April 2008 at 5:34:59 pm'!
"Change Set: StarMorphScripting
Date: 26 April 2008
Author: Karl Ramberg
Adds two scripting access points to StarMorphs."!
!Player methodsFor: 'vertices operation' stamp: 'kfr 4/26/2008 17:22'!
^ (self costume starRatio * 100) rounded! !
!Player methodsFor: 'vertices operation' stamp: 'kfr 4/26/2008 17:27'!
| int float |
int := aInteger min: 100 max: 1.
float := (100 / int) asFloat.
^ self costume starRatio: float! !
!Player methodsFor: 'vertices operation' stamp: 'kfr 4/26/2008 17:09'!
| verticesCount int |
verticesCount := self getVerticesCount.
int := aInteger.
aInteger > verticesCount
ifTrue: [int even
ifFalse: [int := int + 1].
self costume makeVertices: int]
ifFalse: [int even
ifFalse: [int := int - 1 max:4].
self costume makeVertices: int]! !
!StarMorph class methodsFor: 'scripting' stamp: 'kfr 4/26/2008 17:31'!
"Answer a list of (<categoryName> <list of category specs>) pairs that characterize the phrases this kind of morph wishes to add to various Viewer categories."
^ # (
(slot verticesCount 'How many vertices are within me' Number readWrite Player getVerticesCount Player setVerticesCount:)
(slot starRatio 'How long vertices are within me' Number readWrite Player getStarRatio Player setStarRatio:)
!StarMorph class reorganize!
('parts bin' descriptionForPartsBin)
('class initialization' initialize registerInFlapsRegistry unload)
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