In my application, I use SimpleUniverse and I create an empty BranchGroup to which I will add all my scene objects and behaviuors after the scene is live.
When everything goes live, the BranchGroup is empty.
I then try to add a Background to the BranchGroup, but I get the error:
"javax.media.j3d.RestrictedAccessException: Group: only a BranchGroup node may be added"
I do have the ALLOW_CHILDREN_EXTEND capability set on the BranchGroup.
I can add objects (other BranchGroups) to the initial BG, but not the Background.
Can anyone explain to me what the problem is?
Bob Gray
