From: "Carl Smotricz" <[EMAIL PROTECTED]>
Sent: Thursday, November 09, 2000 2:00 AM
> Hello Chu,
> ...
> If you want to change the position of something, removing it and
> re-inserting it is a slow and difficult way to do it. Instead, you should
> attach the object to a Transform3D node (between the Locale and the
He said Transform3D node, but he really meant TransformGroup.
> BranchGraph or between the BranchGroup and the object), then to change the
> position of the object you need only change the characteristics of the
> transform. This will allow you to move the object more or less
continuously
> as the user moves the slider.
> ...
Whenever your mother gives you a recipe, she leaves out certain essential
information, so that you'll be sure to fail and you'll have to call again.
In this case, Chu, Carl is setting you up for a return call by failing to
mention that when you set up a TransformGroup, TG1, say, that will cause the
attached scene graph segment to move, you have to remember to set its
capability bit.
TG1.setCapabiity(ALLOW_TRANSFORM_WRITE);
Then, once you identify TG1 as the target of your interpolator, Java takes
care of everything else. Ain't object orientation grand?
Good cookin' :-)
Fred Klingener
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