Hi,
You have to invoke
ga.setCapability(GeometryArray.ALLOW_COORDINATE_READ);
before scene graph is live. In processStimulus()
the scene graph, the scene graph is already live and
setting this will throw an Exception.
- Kelvin
-------------
Java 3D Team
Sun Microsystems Inc.
>X-Originating-IP: [161.24.1.212]
>Mime-Version: 1.0
>Date: Tue, 11 Apr 2000 22:33:33 EST
>From: HAroldo Pereira <[EMAIL PROTECTED]>
>Subject: [JAVA3D] GetCoordenates
>Comments: To: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED]
>
>Hi
>
> I have a problem when I want get the coordenates of the any object (Cube).
>
> This cube was create with QuadArray and have rotation and translation
>moving in the virtual world.
>
> I want get the coordenates of every six vertices of the cube. I am using
>the behavior WakeupOnTransformChange. My method processStimulus have :
>
>public void processStimulus(Enumeration criteria) {
> // get the geometry the cube
> Geometry geo = shape.getGeometry();
>
> // Cast , because i cannot get the coordenate of the
>// Geometry object
> GeometryArray ga = (GeometryArray) geo;
> ga.setCapability(GeometryArray.ALLOW_COORDINATE_READ);
>
> // get the coordenates
> ga.getCoordinate(0, db);
>
> // print the coordenates on screen
> System.out.println(String.valueOf(db[0]) + "," +
> String.valueOf(db[1])
> + "," + String.valueOf(db[2]));
>
> wakeupOn(wChange);
> }
>
> It is not works.
> Is it the best form to get the coordenates of the moving objects ?
>
> Anybody have any examples about its. If yes, send for me.
>
> I wait your e-mails
>
> Thanks.
>
> []s
>
> HAroldo
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