I think John actually meant this!!!:
TransformGroup grandfather = new TransformGroup();
TransformGroup father = new TransformGroup();
TransformGroup son = new TransformGroup();
Shape3D gfS3d = // your geometry and appearance
Shape3D fS3d = // your geometry and appearance
Shape3D sS3d = // your geometry and appearance
grandfather.addChild(gfS3d);
grandfather.addChild(father);
father.addChild(fS3d);
father.addChild(son);
son.addChild(sS3d);
Slap wrists John!!! You really should check these messages before clicking
send! :p
Sheng,
It might be easier to think of it in terms of TransformGroups rather
than BranchGroups (but you can always put each TG in it's own BG). So
try something like:
TransformGroup grandfather = new TransformGroup();
TransformGroup father = new TransformGroup();
TransformGroup son = new TransformGroup();
Shape3D gfS3d = // your geometry and appearance
Shape3D fS3d = // your geometry and appearance
Shape3D sS3d = // your geometry and appearance
grandfather.addChild(gfS3d);
grandfather.addChild(father);
father.addChild(fS3d);
father.addChild(fS3d);
son.addChild(sS3d);
Now when you move the grandfather the father and son will move. When
you move the father the son will move. When you move the son then only
the son will move.
- John Wright
Starfire Research
> Sheng Feng Qin wrote:
>
> Hi, I am a new comer in java 3D. I seek for helping in Java3D. I have
> read Java3D tutorials. But, It seems that there is no example of
> showing how to construct tree-structure in geometry. For example, a
> father (a box) has a son (a cylinder, doesn't sound son!). i don't
> know how to build a scence like
>
>
>
> Universer
>
> BG 1 BG2
> BG3
>
> BG1-1
> BG1-2 .... BG3-1 BG3-2
> BG3-3.....
> ...........................................
>
>
> Here Bg1-1 and BG1-2 are children of BG1, How can I add a child
> BranchGroup to a father BG node with their own local co-ordinate
> system (Locale).
>
>
>
>
> Shengfeng
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