See the Example.java file in the tutorial by Bailey and Deering.
Vineet Gupta
At 12:53 PM 12/22/98 -0500, The Casteels wrote:
>Can someone please point me to a simple example of how to set up mouse
>navigation in a virtual world? I've tried everything I can think of and
>am still missing something.
>
>My program [snips below] compiles and runs, but the mouse doesn't do
>anything.
>
>(I'll be cutting the program down to it's simplest form to work this out
>and will post it in its entirety if needed)
>
>
>//---------In the root program--------------------------------------
>public class NewWorld001 extends Applet implements ActionListener
> {
> TransformGroup moveView = new TransformGroup();
>
>//---------Here's what's in the objectGraph BranchGroup:----------
>
> // Create the bounding leaf node
> BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0),
>100.0);
> BoundingLeaf boundingLeaf = new BoundingLeaf(bounds);
> objScale.addChild(boundingLeaf);
>
> // Create the drag behavior node
> MouseRotate behavior = new MouseRotate();
> behavior.setTransformGroup(moveView);
> moveView.addChild(behavior);
> behavior.setSchedulingBounds(bounds);
>
> // Create the zoom behavior node
> MouseZoom behavior2 = new MouseZoom();
> behavior2.setTransformGroup(moveView);
> moveView.addChild(behavior2);
> behavior2.setSchedulingBounds(bounds);
>
> // Create the translate behavior node
> MouseTranslate behavior3 = new MouseTranslate();
> behavior3.setTransformGroup(moveView);
> moveView.addChild(behavior3);
> behavior3.setSchedulingBounds(bounds);
>
>//----------Under Public void
>init()--------------------------------------
>
> u.getViewingPlatform().setNominalViewingTransform();
> u.addBranchGraph(scene);
>
> TransformGroup t = u.getViewingPlatform().getViewPlatformTransform();
>
> Transform3D trans = new Transform3D();
> t.getTransform(trans);
>
> Transform3D holder2 = new Transform3D();
> moveView.getTransform(holder2);
>
> t.setTransform(holder2);
>
>
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