Re: [JAVA3D] Animation and the Loader3DS

[John Wright]

That's correct, the Starfire Research 3DS loader does not attempt to
load any animation data from a 3DS file.  We recommend you load parts
and implement your own animation in Java 3D code.
- John Wright
Starfire Research
Johannes Boy wrote:
Hello everyone,
I wanted to create a little Programm that, so far, imports a 3DS max scene
and a model (with animation). The Scene is imported ok, the model itself
too, but it just doesnt show any sign of animation...
Btw, I'm using the loader as you can find it on jd3.org. The one found on
www.starfireresearch.com doesnt create any Behaviour nodes (i guess you need
them for animation...)
Heres the code...
public class SuperApp   {
   public static Universum universum;
   public static Loader3DS loader;
   //..
   public SuperApp()   {
   //....
   BranchGroup szene = create();
   universum.addBranchGraph(szene);
   universum.goLive();
   window.setVisible(true);
   }
public BranchGroup create()   {
        BranchGroup ret = new BranchGroup();
        ret.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        Scene scene = null;
        Scene ball=null;
        try {
            System.out.println("loading....");
            scene = loader.load("room1.3DS");
            System.out.println("raum done");
            ball = loader.load("ball_animation.3ds");
            System.out.println("ball fertig");
            Behavior[] behavs = ball.getBehaviorNodes();
            if(behavs == null)
                System.out.println("no behaviours...!");
            else
                System.out.println("number behaviours: "+behavs.length);
        } catch (Exception e) {
            System.out.println(e);
            System.exit(1);
        }
        if(scene != null)
            ret.addChild(scene.getSceneGroup());
        if(ball != null)
            ret.addChild(ball.getSceneGroup());
        ret.compile();
        return ret;
}
}
public class Universum extends SimpleUniverse   {
//...
    public BranchGroup navigators;
    public BranchGroup lights;
    public Universum(Canvas3D canvas) {
        super(canvas);
        navigators= new BranchGroup();
        navigators.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        lights = new BranchGroup();
        lights.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    }
    public void goLive()   {
        //keyboard navigatior
        TransformGroup gr = getViewingPlatform().getViewPlatformTransform();
        KeyNavigatorBehavior kbnav = new KeyNavigatorBehavior(gr);
        kbnav.setSchedulingBounds(new BoundingSphere(new Point3d(0,0,0),
1000.0));
        navigators.addChild(kbnav);
        getViewer().getView().setBackClipDistance(BACK_CLIP_DISTANCE);
        createLights();
        navigators.compile();
        lights.compile();
        addBranchGraph(navigators);
        addBranchGraph(lights);
    }
public void createLights()   {
        headlight = new AmbientLight();
        headlight.setCapability(Light.ALLOW_STATE_WRITE);
        headlight.setColor(new Color3f(1, 1, 1));
        headlight.setInfluencingBounds(LIGHT_BOUNDS);
        lights.addChild(headlight);
}
}
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