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  3D Studio Loader  (Read 5539 times)
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Offline Yuri Vl. Gushchin

Senior Member




Speak Java!


« Reply #30 - Posted 2004-06-27 09:35:41 »

Hi,

After testing the case above, I found that named nodes are not added to the scene, and don't have implicitly associated VWorld -> don't have Vworld bounds.

I modified the test case to sidplay named note's parents:

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      for(int i = 0; i < modelNames.length; i++) {
        TransformGroup no = model.getNamedObject(modelNames[i]);
        System.out.println("Model: " + modelNames[i] + " " + no + " " + no.getParent() + " getVworldBounds: " +
                           no.getVworldBounds());
      }


and the result is:

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The main Model.getVworldVounds: BoundingSphere [-0.42404148,-0.18567085,-0.09359161 radius 12.151663]
Model: redBox com.xith3d.scenegraph.TransformGroup@b02efa null getVworldBounds: BoundingSphere [0.0,0.0,0.0 radius 0.0]
Model: redBox2 com.xith3d.scenegraph.TransformGroup@dc57db null getVworldBounds: BoundingSphere [0.0,0.0,0.0 radius 0.0]
Model: redBox1 com.xith3d.scenegraph.TransformGroup@c24c0 null getVworldBounds: BoundingSphere [0.0,0.0,0.0 radius 0.0]


Please note null values in place where parent should be.

You should add nodes to the scene before requesting the Vworld bounds (they depend on Vworld transform).

So, result is following: this is not a bug in Xith3D bounds calculation code, but with the scene tested.

Yuri

Yuri Vl. Gushchin
JProof Group
Offline aNt

Senior Member




AFK


« Reply #31 - Posted 2004-06-29 14:04:31 »

i think the problem is in the getNamedObject call. seems
to be messed up. i can get the Bounds using the getChild(0).getParent()
and that works.

strange the getNamedObject returns an object. but it
nos nothing of the object.

Offline aNt

Senior Member




AFK


« Reply #32 - Posted 2004-06-30 18:29:15 »

kev where do u set the names of the objects? i cant
see that anywhere Sad - i was going to just use:

modelPart.setName("name");

cant find it anywhere... i even looked under my bed! Smiley
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Online kevglass

JGO Kernel


Medals: 120
Projects: 23
Exp: 18 years


Coder, Trainee Pixel Artist, Game Reviewer


« Reply #33 - Posted 2004-06-30 19:16:56 »

The name is actually the key into a has map, I believe its actually done in NamedObjectProcessor with this:

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context.objectTable.put(context.objectName, context.object);


Kev

Offline aNt

Senior Member




AFK


« Reply #34 - Posted 2004-06-30 20:24:14 »

well i tryed the hopeful:
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context.object.setName("hello there");

but without joy when getting the Name from
the models children:
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Enumeration e = model.getAllChildren();
      System.out.println("model chcnt: " + model.numChildren());
     
      while(e.hasMoreElements()) {
        TransformGroup g = (TransformGroup)e.nextElement();
        System.out.println("g: " + g.getName() + " gch: " + g.numChildren());
      }


i get returned nothing but null when asking for the childs parent from the hashmap.
And no names from the scene graph. Strange because
its drawing the model ok. And its children.

i cant see why the hashmap objects cant see there parent node as Yuri points
out. All seems fine to me.

all very odd  Huh
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