public ObjectViewer(URL url) {
setLayout(new BorderLayout());
Canvas3D canvas3D = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
add("Center", canvas3D);
BoundingSphere bounds = new BoundingSphere(new Point3d(), 1000);
BranchGroup root = new BranchGroup();
BranchGroup scene = createSceneGraph(url);
scene.setBoundsAutoCompute(true);
System.out.println(scene.getBounds());
BoundingSphere sceneBounds = new BoundingSphere(scene.getBounds());
SimpleUniverse univ = new SimpleUniverse(canvas3D);
ViewingPlatform view = univ.getViewingPlatform();
view.setNominalViewingTransform();
Transform3D t = new Transform3D();
TransformGroup viewTransform = view.getViewPlatformTransform();
t.set(new Vector3d(0, 0, 3 * sceneBounds.getRadius()));
viewTransform.setTransform(t);
BranchGroup lights = new BranchGroup();
Light light = new AmbientLight();
light.setInfluencingBounds(bounds);
lights.addChild(light);
light = new DirectionalLight();
light.setInfluencingBounds(bounds);
lights.addChild(light);
root.addChild(lights);
TransformGroup tg = new TransformGroup();
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
tg.addChild(scene);
root.addChild(tg);
MouseRotate mouse = new MouseRotate();
mouse.setTransformGroup(tg);
mouse.setSchedulingBounds(bounds);
root.addChild(mouse);
MouseZoom mousezoom = new MouseZoom();
mousezoom.setTransformGroup(tg);
mousezoom.setSchedulingBounds(bounds);
root.addChild(mousezoom);
Background background = new Background(1, 1, 1);
background.setApplicationBounds(bounds);
root.addChild(background);
root.compile();
univ.addBranchGraph(root);
}
/**
* Creates a ViewingPlatform from attributes gathered by this object.
*
* @param transformCount the number of TransformGroups to attach to the ViewingPlatform
* @return the new ViewingPlatform
*/
ViewingPlatform createViewingPlatform(int transformCount) {
// Get the Viewers attached to this ViewingPlatform.
// All ConfigViews must be processed at this point.
if (configViews.size() == 0) {
viewers = new Viewer[0];
} else {
viewers = new Viewer[configViews.size()];
for (int i = 0; i < viewers.length; i++)
viewers[i] = ((ConfigView) configViews.get(i)).j3dViewer;
}
// Create the viewing platform and get its ViewPlatform instance.
viewingPlatform = new ViewingPlatform(transformCount);
ViewPlatform vp = viewingPlatform.getViewPlatform();
// Set defined policies.
if (allowPolicyRead) vp.setCapability(ViewPlatform.ALLOW_POLICY_READ);
if (allowLocalToVworldRead) vp.setCapability(Node.ALLOW_LOCAL_TO_VWORLD_READ);
if (viewAttachPolicy == -1) {
// Apply a default based on the eyepoint policy.
boolean nominalHead = true;
for (int i = 0; i < viewers.length; i++) {
if (viewers[i].getView().getWindowEyepointPolicy() != View.RELATIVE_TO_FIELD_OF_VIEW) {
nominalHead = false;
break;
}
}
if (nominalHead) vp.setViewAttachPolicy(View.NOMINAL_HEAD);
else vp.setViewAttachPolicy(View.NOMINAL_SCREEN);
} else {
vp.setViewAttachPolicy(viewAttachPolicy);
}
// Assign the viewing platform to all viewers.
for (int i = 0; i < viewers.length; i++) {
viewers[i].setViewingPlatform(viewingPlatform);
}
// Apply initial viewing transforms if defined.
if (nominalViewingTransform) {
viewingPlatform.setNominalViewingTransform();
}
if (initialViewingTransform != null) {
TransformGroup tg = viewingPlatform.getViewPlatformTransform();
tg.setTransform(initialViewingTransform);
}
return viewingPlatform;
}
/** Attach any ViewPlatformBehavior specified for this platform. */
void processBehavior() {
if (configBehavior != null) {
viewingPlatform.setViewPlatformBehavior(configBehavior.viewPlatformBehavior);
}
}
