[Newbies] Is there an easy way to implement an animation loop?

karl ramberg karlramberg at gmail.com
Thu Jan 5 17:02:13 UTC 2012

On Thu, Jan 5, 2012 at 6:00 PM, karl ramberg <karlramberg at gmail.com> wrote:

> Hi
> In morphich you should use the step method.
> Just add a step method to the morph and start the stepping when you want
> the animation to start.
> I think you must add a self changed or a self layoutChanged at the end of
> the step method to update the morph.
> It's a little more difficult to block all other morphs from update thou.
> But if they run animation, you can stop their stepping and start it again
> when your animation is done.
> Morphic runs in a single process and using other processes will
> not necessarily give trouble.

 Morphic runs in a single process and using other processes will give you

> You set the desired time between steps with method stepTime and return
> the millisecond time you would like.
> Karl
> On Thu, Jan 5, 2012 at 2:15 PM, Jan Teske <
> jan.teske at student.hpi.uni-potsdam.de> wrote:
>> Hi there,
>> I try to implement a blocking animation so that the process waits for the
>> animation to be terminated before going ahead. This animation should lower
>> the extent of a Morph in 20 iterations so that it looks like it would
>> shrink.
>> I tried to accomplish that in a '1 to: 20 do:' loop but the Morph is not
>> updated during the iterations. I tried 'morph changed' but that doesn't
>> work either. It does work, however, if I fork the animation loop. But than
>> I have an extra process an need Semaphores to wait for its execution.
>> That's not as simple as it could be.
>> Is there any better way than fork and Semaphore? Maybe some force redraw
>> method I have overlooked?
>> Thanks in advance!
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