java - 使用 KeyNavigatorBehavior 时哪些键用于移动？我该如何设置它们？

Question

我已经了解了一些有关 Java3D 的知识，并且想知道如何使用按键在相机周围移动。我找到了 KeyNavigatorBehavior 并设置了它，只是没有 Key 做任何事情。如何正确使用此行为？

这里我得到了设置行为的方法:

protected BranchGroup buildViewBranch(Canvas3D c) {

        BranchGroup viewBranch = new BranchGroup();
        Transform3D viewXfm = new Transform3D();

        viewXfm.set(new Vector3f(0.0f, 0.0f, 10.0f));

        TransformGroup viewXfmGroup = new TransformGroup(viewXfm);

        viewXfmGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
        viewXfmGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

        BoundingSphere movingBounds = new BoundingSphere(new Point3d(0.0, 0.0,0.0), 100.0);

        BoundingLeaf boundLeaf = new BoundingLeaf(movingBounds);
        ViewPlatform myViewPlatform = new ViewPlatform();

        viewXfmGroup.addChild(boundLeaf);

        PhysicalBody myBody = new PhysicalBody();
        PhysicalEnvironment myEnvironment = new PhysicalEnvironment();

        viewXfmGroup.addChild(myViewPlatform);
        viewBranch.addChild(viewXfmGroup);

        View myView = new View();

        myView.addCanvas3D(c);
        myView.attachViewPlatform(myViewPlatform);
        myView.setPhysicalBody(myBody);
        myView.setPhysicalEnvironment(myEnvironment);

        KeyNavigatorBehavior keyNav = new KeyNavigatorBehavior(viewXfmGroup);

        keyNav.setSchedulingBounds(movingBounds);
        viewBranch.addChild(keyNav);

        return viewBranch;

    }

以下是设置 VirtualUniverse 的行:

        group = new BranchGroup();

        VirtualUniverse universe = new VirtualUniverse();

        Locale locale = new Locale(universe);
        locale.addBranchGraph(this.buildViewBranch(canvas));
        locale.addBranchGraph(group);

Answer 1

我自己找到了答案:

您必须激活 KeyboardMouse (Alt + Shift + Num) 并停用数字锁定:

按键为:箭头 + 向上/向下翻页(也在数字锁定键上)