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  Rotate 3DS model  (Read 861 times)
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Offline Xpoft

Junior Newbie





« Posted 2006-03-04 07:03:28 »

Hello. How can I rotate loaded 3DS model ?

Nothing:
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Transform3D rotate = new Transform3D();
rotate.rotXYZ(0, 2f, 0.1f);
rotate.setTranslation(new Vector3f(0, 0, 0.5f));
TransformGroup objRotate = new TransformGroup(rotate);
       
Scene mod = new Loader3DS().load("hearse.3ds");
BranchGroup scene = mod.getSceneGroup();
scene.setTransformGroup(objRotate);


Nothing:
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Transform3D rotate = new Transform3D();
rotate.rotXYZ(0, 2f, 0.1f);
rotate.setTranslation(new Vector3f(0, 0, 0.5f));
TransformGroup objRotate = new TransformGroup(rotate);
       
Scene mod = new Loader3DS().load("hearse.3ds");
BranchGroup scene = mod.getSceneGroup();
scene.addChild(objRotate)


Help me. Thanks.
Offline Amos Wenger

Senior Member




Everything's possible, but not everything's fun...


« Reply #1 - Posted 2006-03-04 09:52:02 »

Hello. How can I rotate loaded 3DS model ?
Simple  Grin
You see, in your code :
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Transform3D rotate = new Transform3D();
rotate.rotXYZ(0, 2f, 0.1f);
rotate.setTranslation(new Vector3f(0, 0, 0.5f));
TransformGroup objRotate = new TransformGroup(rotate);

You first rotate the object, than translate it. Well, that's not how it works in Xith. Your translation override your rotation. So you should just replace it with :
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Transform3D rotate = new Transform3D();
rotate.rotXYZ(0, 2f, 0.1f);
TransformGroup objRotate = new TransformGroup(rotate);
Transform3D translate = new Transform3D();
translate.setTranslation(new Vector3f(0, 0, 0.5f));
TransformGroup objTranslate = new TransformGroup(translate);

objRotate.addChild(objTranslate);
objTranslate.addChild(model);

"Once you start working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest"
Offline Xpoft

Junior Newbie





« Reply #2 - Posted 2006-03-05 11:57:06 »

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Transform3D rotate = new Transform3D();
rotate.rotXYZ(0, 2f, 0.1f);
TransformGroup objRotate = new TransformGroup(rotate);
Transform3D translate = new Transform3D();
translate.setTranslation(new Vector3f(0, 0, 0.5f));
TransformGroup objTranslate = new TransformGroup(translate);

objRotate.addChild(objTranslate);
objTranslate.addChild(model);


That object is  "model" ?

We load model by class Loader3DS(), then get TransformGroup from Scene.getNamedObjects(), and from there get Shape3D. Shape3D is object "model" ?
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Offline Amos Wenger

Senior Member




Everything's possible, but not everything's fun...


« Reply #3 - Posted 2006-03-06 17:07:53 »

Yes it is.
Shape3D extends Node and a Node can be added anywhere in the scenegraph.

"Once you start working on something, don't be afraid of failure and don't abandon it. People who work sincerely are the happiest"
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