RE: [Visualpython-users] Repeating VPython simulation multiple times

[David S. <dsc...@vi...>]

You can simply check scene.visible in your main loop.  When it becomes
0, the window has been closed.  Then you have a choice of either
removing each object as Bruce suggested, or just creating a new display
window (with display()) and drawing new objects in that one.

Dave

> -----Original Message-----
> From: vis...@li... 
> [mailto:vis...@li...] On 
> Behalf Of Bruce Sherwood
> Sent: Friday, January 25, 2002 9:26 AM
> To: vis...@li...
> Subject: Re: [Visualpython-users] Repeating VPython 
> simulation multiple times
> 
> 
> I gather from a later note that the issue isn't how to delete all the 
> objects in a window (which would be to make them invisible, 
> looping through 
> scene.objects, not set them to None; see the section in the online 
> documentation on deleting objects), but rather how to detect 
> when the user 
> has clicked the close box, for which I don't know a mechanism.
> 
> Bruce Sherwood
> 
> --On Friday, January 18, 2002 11:10 -0600 Young-Jin Lee 
> <yl...@ui...> 
> wrote:
> 
> > When I manually set "scene.visible" to "1" for later 
> simulation, the 
> > VPython simulation window appeared. But VPython objects 
> created in the 
> > previous simulation were still there. I tried to set all 
> the spheres 
> > created in the previous simulation by setting them to None, 
> it didn't 
> > work. Is there any way to clear all the objects in the 
> scene when it 
> > is closed?
> 
> 
> 
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