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  Confused by origin changing when loading objects  (Read 2662 times)
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Offline bawat

Junior Newbie





« Posted 2015-12-21 02:15:33 »

Here is a Cone I have made and exported to a Lightwave .obj file.

http://postimg.org/image/4opl76s7t/

I then load the object into Java3D using the following code parts

1  
2  
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import com.sun.j3d.loaders.objectfile.ObjectFile;

public static Scene loadWavefrontScene(String location) throws IOException {
   ObjectFile loader = new ObjectFile(ObjectFile.RESIZE);
        return loader.load(new FileReader(location));
}


And I add the Scene object's group to the main group using .getSceneGroup() and .addChild(group)

And then I rotate the object around the X axis.
http://postimg.org/image/fj4qjulon/
http://postimg.org/image/gdu1qpj5b/
http://postimg.org/image/l5z9oeofj/

The object seems to have had it's origin changed. How can I load models and keep their origin in the original place?
Offline basil_

« JGO Bitwise Duke »


Medals: 418
Exp: 13 years



« Reply #1 - Posted 2015-12-21 07:53:23 »

looks like Z or Y
up
mismatch. try changing the up vector when exporting or parse your vertices like
vec3 vertex = vec3( a, -c, b )
.

o/
Offline bawat

Junior Newbie





« Reply #2 - Posted 2015-12-21 20:00:51 »

Thanks for your reply!

I've tried toggling the Poser like export option that can be seen in the link below. I noticed no changes.

http://postimg.org/image/y7myza2mf/
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