[Newbies] Quick noob snippets

[Karl Ramberg]

Bert Freudenberg wrote:
>
> On 20.05.2008, at 07:01, Herbert König wrote:
>
>> Hello Sven,
>>
>> don't know about your first Question though people now may think it
>> has been replied to.
>>
>>
>> SS> 100 timesRepeat: [randomNo := 100 atRandom. anEllipse height:
>> SS> randomNo. anEllipse borderWidth: anEllipse borderWidth + 1 ]
>>
>> SS>
>> SS> It did work but it did the moves all at once. At first I
>>
>> World doOneCycleNow
>> will update the UI and
>> (Delay forMilliseconds: 20) wait
>> will give you some time to watch every step.
>>
>> So your loop might look like
>>
>> 100 timesRepeat: [randomNo := 100 atRandom.
>>   anEllipse height: randomNo.
>>   anEllipse borderWidth: anEllipse borderWidth + 1.
>>   World doOneCycleNow.
>>   (Delay forMilliseconds: 20) wait]
>
>
>
> Note that #doOneCycleNow is a Bad Hack, never to be used in real code, 
> being punished by <insert favorite tim quote>.
>
> The Right Way to do this in Morphic is to add a #step method in your 
> own Morph subclass. 
Then you should have a look at ColorPickerMorph  :-)

Karl