Excuse my impertinence on the bounds topic.
Could somebody from the Java3D-Team or anybody
else explain the miracle of bounds objects.
How does Java3D compute bounds ?
Why are setBounds() Operations ignored?
The following code snippet reveals strange results
(at least for my) in a live scenegraph.
Any help would be appreciated!
Thanx Joerg
Here we go:
// Sphere created with: sphere = new Sphere(0.2f)
// Capability Bits set
BoundingSphere sb = new BoundingSphere(new Point3d(0f,0f,0f),0.2d);
System.out.println("Created Bounding Sphere: "+ sb.toString());
sphere.setBounds(sb);
System.out.println("Sphere Bounds:" + sphere.getBounds().toString());
sb = (BoundingSphere) sphere.getBounds();
sb.setRadius(4d);
System.out.println("Changed Bounding Sphere: "+ sb.toString());
sphere.setBounds(sb);
System.out.println("Sphere Bounds:" + sphere.getBounds().toString());
And here are the results:
Created Bounding Sphere: Center=(0.0, 0.0, 0.0) Radius=0.2
Sphere Bounds: Center=(0.0, 1.3307424243170417E-19,
-0.0021732673048973083)
Radius=0.34326929992848926
Changed Bounding Sphere: Center=(0.0, 1.3307424243170417E-19,
-0.0021732673048973083)
Radius=4.0
Sphere Bounds: Center=(0.0, 1.3307424243170417E-19,
-0.0021732673048973083)
Radius=0.34326929992848926
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