Hi Pierre,
This is simplistic, but couldn't you have each individual box under it's own
BranchGroup, and oriented with it's own TransformGroup? In this way, each
box would be independently detachable. Just use picking to find the
BranchGroup of the picked box, then detach it.
Since the orientations are relative to the one below, removal of the top one
should not affect the others, right?
Good luck,
Chris
_____________________________________________________________
Christopher Collins http://www.ucs.mun.ca/~a62cmc
Oceanic Consulting Corporation (709) 754-2357 [home]
Memorial University of Newfoundland (709) 749-4383 [cell]
-----Original Message-----
From: Pondrom, Pierre L [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, August 01, 2000 11:15 AM
To: [EMAIL PROTECTED]
Subject: Re: [JAVA3D] detach() suggestion
I would like to give my users the capability to remove objects from a
stack. Let say I have 4 boxes sitting on top of each other. The boxes
are oriented relative to the one below it. Let me ask this question. In
order to let the user to remove the top box, would I have to detach the
entire group from the scene and then rebuild all the boxes except for the
top one?
> ----------
> From: Christopher
> Collins[SMTP:[EMAIL PROTECTED]]
> Reply To: Discussion list for Java 3D API
> Sent: Tuesday, August 01, 2000 8:16 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [JAVA3D] detach() suggestion
>
>
>
> Rob and everyone else,
>
> On a related note then... why is there only BranchGroup.detach() and not a
> general Node.detach()? It makes scenes much larger when you have many
> shapes, each with it's own BranchGroup to allow the shapes to be
> detachable!
> It would be more convenient to be able to have TransformGroup.detach(),
> Shape3D.detach(), etc.
>
> Chris
>
> _____________________________________________________________
> Christopher Collins http://www.ucs.mun.ca/~a62cmc
> Oceanic Consulting Corporation (709) 754-2357 [home]
> Memorial University of Newfoundland (709) 749-4383 [cell]
>
>
> -----Original Message-----
> From: Rob Nugent [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, August 01, 2000 10:23 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [JAVA3D] detach() suggestion
>
>
> J. Lee,
>
> I made this mistake (and asked this question a few months back).
>
> There is a detach() method in BranchGroup that works fine.
>
> Rob
>
>
>
> J. Lee Dixon wrote:
>
> > Why is there not a Node.detach() function? In order to detach a Node
> > child from its parent, currently you have to go to the parent, then
> > search the list of its children to find the index of the one you want to
> > detach, then call Group.removeChild(index). (Am I missing some better
> > way of doing this?)
> >
> > Would anyone else like to see this function? How about it, Sun?
> >
> > J. Lee Dixon
> > Software Engineer
> > SAIC - Celebration, FL
> > [EMAIL PROTECTED]
> >
> >
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> --
>
>
> Rob Nugent
> Development Manager
> PeerLogic
> [EMAIL PROTECTED]
> http://www.peerlogic.com
> Tel: +44 (0) 1489 585503
> Fax: +44 (0) 1489 881363
>
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