has anybody ever tested a universe with sound and more than one Canvas3D?
I created an own Universe class which allowes it to display the same scene from different viewing points. That works well untill I add some Sound-Nodes to the scene. When they should start playing sounds, the J3D-Thread crashes with a NullPointerException. Actually I'm not sure if this is a bug in J3D or if there is something wrong in my method to create this special universe:
Within the constructor I create an array for the Viewers
public MultiUniverse(int numTransforms)
{
viewer = new Viewer[numTransforms];
locale=new Locale(this);
}Afterwards the following method is called several times which attaches a Canvas3D and a View to this universe:
public View createView(Canvas3D canvas)
{
ViewingPlatform vwp=new ViewingPlatform();
viewer[canvasCnt]=new Viewer(canvas);
viewer[canvasCnt].setViewingPlatform(vwp);
locale.addBranchGraph(vwp);
canvasCnt++;
return viewer[canvasCnt-1].getView();
}This is more or less identically to the SimpleUniverse because audio is initialized using getViewer(n).createAudioDevice().
The full source code can be found at http://www.3dchat.org/MultiUniverse.java
Michael
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