Hi,
HAroldo Pereira wrote:
> BranchGroup createViewGraph(SimpleUniverse u, Canvas3D c3d, int num) {
> BranchGroup viewRoot = new BranchGroup();
>
> TransformGroup offTg = new TransformGroup();
> offTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
> viewRoot.addChild(offTg);
>
> TransformGroup offTg2 = new TransformGroup();
> offTg2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
> offTg.addChild(offTg2);
>
> // use same view distance as main view
> Viewer viewer = u.getViewer();
> double viewDistance = viewer.getView().getFieldOfView();
> // Calculate the distance from the to the imageplate.
> viewDistance = 1.0/Math.tan(viewDistance/2.0);
>
> Transform3D offset = new Transform3D();
offset.setTranslation(new Vector3d(0, 0, viewDistance));
offTg2.setTransform(offset);
if (num == 0) { // VIEWPOINT 2 : LEFT VIEW
offset.rotY(Math.PI/2);
offTg.setTransform(offset);
}
else { // VIEWPOINT 3 : RIGHT VIEW
offset.rotY(-Math.PI/2);
offTg.setTransform(offset);
}
> PhysicalBody physicalBody = new PhysicalBody();
> PhysicalEnvironment physicalEnvironment = new PhysicalEnvironment();
> ViewPlatform viewPlatform = new ViewPlatform();
> offTg2.addChild(viewPlatform);
>
> View view = new View();
> view.addCanvas3D(c3d);
> view.setPhysicalBody(physicalBody);
> view.setPhysicalEnvironment(physicalEnvironment);
> view.attachViewPlatform(viewPlatform);
>
> return viewRoot;
> }
Thats how it should be. You simply forgot to move out of the cube.
and you should better rotate around the Y-Axis if you want views from left and
right. (and btw: 90 degrees is PI/2 ;-)
Best Regards,
Andreas
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