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);
}
public void init() {
// initialize our SimpleUniverse -> u
u = new SimpleUniverse(this);
// set viewing platform (the camera)
vp = u.getViewingPlatform();
view = u.getViewer().getView();
view.setScreenScalePolicy(View.SCALE_EXPLICIT);
view.setBackClipPolicy(View.VIRTUAL_EYE);
view.setFrontClipPolicy(View.VIRTUAL_EYE);
view.setBackClipDistance(FARTHEST);
view.setFrontClipDistance(CLOSEST);
fieldOfView = view.getFieldOfView();
view.setDepthBufferFreezeTransparent(false);
cameraTG = vp.getViewPlatformTransform();
cameraT3D = new Transform3D();
cameraTG.getTransform(cameraT3D);
// initialize root of our scene -> BranchGroup kainBG and TransformGroup kainTG
kainBG = new BranchGroup();
kainBG.setCapability(BranchGroup.ALLOW_CHILDREN_READ);
kainBG.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE);
kainBG.setCapability(BranchGroup.ALLOW_CHILDREN_EXTEND);
background = new Background(new Color3f(0, 0, 0));
background.setCapability(Background.ALLOW_COLOR_READ);
background.setCapability(Background.ALLOW_COLOR_WRITE);
background.setCapability(Background.ALLOW_IMAGE_READ);
background.setCapability(Background.ALLOW_IMAGE_WRITE);
background.setApplicationBounds(new BoundingSphere(new Point3d(0, 0, 0), FARTHEST));
background.setImageScaleMode(Background.SCALE_FIT_ALL);
kainBG.addChild(background);
kainTG = new TransformGroup();
kainTG.setCapability(TransformGroup.ALLOW_CHILDREN_EXTEND);
kainTG.setCapability(TransformGroup.ALLOW_CHILDREN_WRITE);
kainBG.addChild(kainTG);
// branch for axis lines
axisBG = new BranchGroup();
axisBG.setCapability(BranchGroup.ALLOW_DETACH);
axisLines = createAxisLines();
axisBG.addChild(axisLines);
// branch for ground
groundBG = new BranchGroup();
groundBG.setCapability(BranchGroup.ALLOW_DETACH);
ground = createGround();
groundBG.addChild(ground);
kainBG.compile();
u.addBranchGraph(kainBG);
currentAppearance = Appearance3DChangerCookie.Appearance.WIREFRAME;
}
public static ViewingPlatform createVWorldPlatform() {
ViewingPlatform viewingPlatform = new ViewingPlatform();
TransformGroup viewTransGroup = viewingPlatform.getViewPlatformTransform();
viewTransGroup.setCapability(Node.ALLOW_LOCAL_TO_VWORLD_READ);
return viewingPlatform;
}