When you rotate an object, it should rotate around its center point which
is a fixed point. If you have an object on the screen, and you left click
on it to rotate and the object moves out of the view, then I think that the
object you are clicking on is attached to the transform of a parent object
who's center point is out of the screen.
You should look very carefully ate what you are doing.
If you do want to rotate an object around a point other than its center,
you could make modifications to the MouseOrbit behavior that wrote.
Check out the URL:
http://www.sigda.org/Eric/Java3d/
At 09:28 PM 10/10/2000 +0000, you wrote:
> I have a problem using MouseRotate, when I use it, I do not know around
>which point it is rotating if I hold on the mouse left button, the object
>rotates without my control,sometimes, it is out of the screen, it is better
>to assign a fixed point around which the object rotates. How can I setup the
>rotation point to a fixed position,so that the object will rotate around
>that point?
>
>The following is part of the code I used:
> MouseRotate behavior = new MouseRotate();
> behavior.setTransformGroup(objTrans);
> behavior.setFactor(0.001);
> objTrans.addChild(behavior);
> behavior.setSchedulingBounds(bounds);
>
>
>
> Thanks.
>
>David
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Eric Reiss - http://www.sigda.acm.org/Eric/
Email: [EMAIL PROTECTED]
SIGDA Internet Server Manager - http://www.sigda.acm.org/
Assistant Systems Manager - School of Engineering
University of Pittsburgh
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