Exemple #1
0
  private void createLoaderSceneGraph() {
    loaderBranchGroup = new BranchGroup();
    loaderBranchGroup.setCapability(BranchGroup.ALLOW_DETACH);
    loaderTransformGroup = new TransformGroup();
    loaderTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    addLights(loaderBranchGroup);
    Appearance loaderAppearance = new Appearance();
    Color3f loaderColor = new Color3f(0.5f, 0.5f, 0.5f);
    Material loaderMaterial =
        new Material(loaderColor, new Color3f(), loaderColor, loaderColor, 10);
    loaderMaterial.setLightingEnable(true);
    loaderAppearance.setMaterial(loaderMaterial);
    for (int i = 0; i < 20; i++) {
      Transform3D translate3d = new Transform3D();
      translate3d.setTranslation(new Vector3f(0f, 0f, 0.9f));
      TransformGroup translate = new TransformGroup(translate3d);

      Transform3D rotationY3d = new Transform3D();
      rotationY3d.rotY((Math.PI * 2 * i) / 20);
      TransformGroup rotateY = new TransformGroup(rotationY3d);
      rotateY.addChild(translate);

      Box box = new Box(0.1f, 0.1f, 0.1f, loaderAppearance);
      translate.addChild(box);
      loaderTransformGroup.addChild(rotateY);
    }
    loaderBranchGroup.addChild(loaderTransformGroup);
    sceneBranchGroup.addChild(loaderBranchGroup);
  }
Exemple #2
0
  public BranchGroup createSceneGraph() {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create the TransformGroup node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at run time. Add it to
    // the root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRoot.addChild(objTrans);

    // Create a simple Shape3D node; add it to the scene graph.
    objTrans.addChild(new ColorCube(0.4));

    // Create a new Behavior object that will perform the
    // desired operation on the specified transform and add
    // it into the scene graph.
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, 4000);

    RotationInterpolator rotator =
        new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f, (float) Math.PI * 1.0f);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotator.setSchedulingBounds(bounds);
    objRoot.addChild(rotator);

    // Have Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
  }
  // In this method, the objects for the scene are generated and added to
  // the SimpleUniverse.
  public void createSceneGraph(SimpleUniverse su) {

    // *** The root of the graph containing the scene (with a cube and a sphere). ***
    BranchGroup theScene = new BranchGroup();

    // Generate an Appearance.
    Color3f ambientColourShaded = new Color3f(0.0f, 0.4f, 0.4f);
    Color3f emissiveColourShaded = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f diffuseColourShaded = new Color3f(0.0f, 0.7f, 0.7f);
    Color3f specularColourShaded = new Color3f(0.0f, 0.5f, 0.5f);

    float shininessShaded = 20.0f;

    Appearance shadedApp = new Appearance();
    shadedApp.setMaterial(
        new Material(
            ambientColourShaded,
            emissiveColourShaded,
            diffuseColourShaded,
            specularColourShaded,
            shininessShaded));

    float r = 0.3f; // The radius of the sphere.
    float boxHL = 0.7f * r; // Half the vertex length of the cube.
    float shift = 3.0f * r; // Distance between cube and sphere.

    // *** The sphere and its transformation group ***
    Sphere s = new Sphere(r, Sphere.GENERATE_NORMALS, 100, shadedApp);
    Transform3D tfSphere = new Transform3D();
    tfSphere.setTranslation(new Vector3f(-0.95f + r, 0.0f, 0.0f));
    TransformGroup tgSphere = new TransformGroup(tfSphere);
    tgSphere.addChild(s);
    theScene.addChild(tgSphere);

    // *** The cube and its transformation group ***
    Box b2 = new Box(boxHL, boxHL, boxHL, shadedApp);
    Transform3D tfBox2 = new Transform3D();
    tfBox2.setTranslation(new Vector3f(-0.95f + r + shift, 0.0f, 0.0f));
    Transform3D rotation = new Transform3D();
    rotation.rotY(Math.PI / 4);
    Transform3D rotationX = new Transform3D();
    rotationX.rotX(Math.PI / 6);
    rotation.mul(rotationX);
    tfBox2.mul(rotation);
    TransformGroup tgBox2 = new TransformGroup(tfBox2);
    tgBox2.addChild(b2);
    theScene.addChild(tgBox2);

    // Generate a white background.
    Background bg = new Background(new Color3f(1.0f, 1.0f, 1.0f));
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), Double.MAX_VALUE);
    bg.setApplicationBounds(bounds);
    theScene.addChild(bg);

    theScene.compile();

    // Add the scene to the universe.
    su.addBranchGraph(theScene);
  }
  /** @see boogiepants.model.Displayable#display() */
  public Node display() {
    Appearance a = new Appearance();
    Group shape = new Sphere(.15f, a);
    a.setColoringAttributes(new ColoringAttributes(.5f, .5f, 1f, ColoringAttributes.NICEST));
    a.setTransparencyAttributes(new TransparencyAttributes(TransparencyAttributes.NICEST, .3f));
    Transform3D t = new Transform3D();
    if (loPoint == null) {
      loPoint = new Point3d(0d, 0d, 0d);
    }
    t.set(new Vector3d(loPoint.x, loPoint.y, loPoint.z));
    transformGroupLo = new TransformGroup();
    transformGroupLo.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    transformGroupLo.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    transformGroupLo.setTransform(t);
    transformGroupLo.addChild(shape);
    loEndpoint = endpoint(loPoint, transformGroupLo);
    Shape3D geom = (Shape3D) shape.getChild(0);
    geom.setUserData(loEndpoint);

    a = new Appearance();
    shape = new Sphere(.15f, a);
    a.setColoringAttributes(new ColoringAttributes(1f, .5f, .5f, ColoringAttributes.NICEST));
    a.setTransparencyAttributes(new TransparencyAttributes(TransparencyAttributes.NICEST, .3f));
    t = new Transform3D();
    if (hiPoint == null) {
      hiPoint = new Point3d(0d, 0d, 0d);
    }
    t.set(new Vector3d(hiPoint.x, hiPoint.y, hiPoint.z));
    transformGroupHi = new TransformGroup();
    transformGroupHi.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    transformGroupHi.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    transformGroupHi.setTransform(t);
    transformGroupHi.addChild(shape);
    hiEndpoint = endpoint(hiPoint, transformGroupHi);
    geom = (Shape3D) shape.getChild(0);
    geom.setUserData(hiEndpoint);

    container = new BranchGroup();
    container.setCapability(BranchGroup.ALLOW_DETACH);
    container.addChild(transformGroupHi);
    container.addChild(transformGroupLo);
    stickGroup = BoogiepantsDisplayWindow.getInstance().getStickGroup();

    behavior = new ScaleInstrumentBehavior(oscaddress, loPoint, hiPoint, stickGroup);
    container.addChild(behavior);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    behavior.setSchedulingBounds(bounds);

    editGroup = new BranchGroup();
    editGroup.setCapability(BranchGroup.ALLOW_DETACH);
    editGroup.setCapability(BranchGroup.ALLOW_CHILDREN_WRITE);
    editGroup.setCapability(BranchGroup.ALLOW_CHILDREN_EXTEND);
    container.addChild(editGroup);

    behavior.computeLineLen();

    return container;
  }
  // In this method, the objects for the scene are generated and added to
  // the SimpleUniverse.
  public void createSceneGraph(SimpleUniverse su) {

    // Create the root of the branch group for the scene.
    BranchGroup theScene = new BranchGroup();

    // Generate an Appearance for the sphere.
    Color3f ambientColourSphere = new Color3f(0.2f, 0.2f, 0.2f);
    Color3f emissiveColourSphere = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f diffuseColourSphere = new Color3f(0.6f, 0.6f, 0.6f);
    Color3f specularColourSphere = new Color3f(0.5f, 0.5f, 0.5f);

    float shininessSphere = 20.0f;

    Appearance sphereApp = new Appearance();

    sphereApp.setMaterial(
        new Material(
            ambientColourSphere,
            emissiveColourSphere,
            diffuseColourSphere,
            specularColourSphere,
            shininessSphere));

    // n spheres with radius r will be shown.
    int n = 5;
    float r = 0.15f;
    float shift = 2 * r + 0.05f; // The distance between the centres of the spheres.

    // Arrays for the sphere, their transformations and their transformation groups
    // transformation groups (for positioning).
    Sphere[] spheres = new Sphere[n];
    TransformGroup[] tg = new TransformGroup[n];
    Transform3D[] tf = new Transform3D[n];

    // Generate the sphere, their transformations and their
    // transformation groups. Add everyting to the scene.
    for (int i = 0; i < n; i++) {
      spheres[i] = new Sphere(r, Sphere.GENERATE_NORMALS, 4 + i * i * i, sphereApp);
      tf[i] = new Transform3D();
      tf[i].setTranslation(new Vector3f(-0.95f + r + shift * i, 0.0f, 0.0f));
      tg[i] = new TransformGroup(tf[i]);
      tg[i].addChild(spheres[i]);
      theScene.addChild(tg[i]);
    }

    // Generate a white background.
    Background bg = new Background(new Color3f(1.0f, 1.0f, 1.0f));
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 1000.0);
    bg.setApplicationBounds(bounds);
    theScene.addChild(bg);

    theScene.compile();

    // Add the scene to the universe.
    su.addBranchGraph(theScene);
  }
Exemple #6
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  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;
  }
Exemple #7
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  private BranchGroup createSceneGraph() {
    BranchGroup root = new BranchGroup();
    root.setCapability(BranchGroup.ALLOW_DETACH);
    createSpinTG();
    root.addChild(spin);

    SimpleBehavior myRotationBehavior = new SimpleBehavior(spin);
    myRotationBehavior.setSchedulingBounds(new BoundingSphere());
    root.addChild(myRotationBehavior);

    KeyNavigatorBehavior behavior = new KeyNavigatorBehavior(spin);
    BoundingSphere bounds = new BoundingSphere();
    behavior.setSchedulingBounds(bounds);
    root.addChild(behavior);

    // mouse-directed rotation
    MouseRotate rotator = new MouseRotate(spin);
    rotator.setSchedulingBounds(bounds);
    root.addChild(rotator);

    // mouse-based translation
    MouseTranslate translator = new MouseTranslate(spin);
    translator.setSchedulingBounds(bounds);
    root.addChild(translator);

    // mouse-directed zoom
    MouseZoom zoom = new MouseZoom();
    zoom.setSchedulingBounds(bounds);
    root.addChild(zoom);

    // make background blue
    Background background = new Background(Colors.blue);
    background.setApplicationBounds(bounds);
    root.addChild(background);

    // light
    AmbientLight light = new AmbientLight(true, new Color3f(Color.red));
    light.setInfluencingBounds(bounds);
    root.addChild(light);
    PointLight ptlight =
        new PointLight(new Color3f(Color.red), new Point3f(0f, 0f, -5f), new Point3f(1f, 0f, 0f));
    ptlight.setInfluencingBounds(bounds);
    root.addChild(ptlight);
    PointLight ptlight2 =
        new PointLight(
            new Color3f(Color.orange), new Point3f(-2f, 2f, 2f), new Point3f(1f, 0f, 0f));
    ptlight2.setInfluencingBounds(bounds);
    root.addChild(ptlight2);

    // let Java3d perform optimization on this scene graph
    root.compile();
    return root;
  }
Exemple #8
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  public void createSceneGraph(DrawModel drawing) {
    // Branch group which can be deattached for changing scene;
    view = new BranchGroup();
    view.setCapability(BranchGroup.ALLOW_DETACH);
    // BranchGroup for rotation
    rotation = new TransformGroup();
    rotation.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    rotation.setCapability(TransformGroup.ALLOW_CHILDREN_WRITE);
    view.addChild(rotation);
    bounds = new BoundingSphere();
    DirectionalLight lightD = new DirectionalLight();
    lightD.setDirection(new Vector3f(0.0f, 0.0f, -0.7f));
    lightD.setInfluencingBounds(bounds);
    view.addChild(lightD);

    AmbientLight lightA = new AmbientLight();
    lightA.setInfluencingBounds(bounds);
    view.addChild(lightA);

    Background background = new Background();
    background.setColor(1.0f, 1.0f, 1.0f);
    background.setApplicationBounds(bounds);
    view.addChild(background);

    //		MouseRotate myMouseRotate = new MouseRotate();
    //        myMouseRotate.setTransformGroup(rotation);
    //        myMouseRotate.setSchedulingBounds(bounds);
    //        root.addChild(myMouseRotate);
    //
    //        MouseTranslate myMouseTranslate = new MouseTranslate();
    //        myMouseTranslate.setTransformGroup(rotation);
    //        myMouseTranslate.setSchedulingBounds(new BoundingSphere());
    //        root.addChild(myMouseTranslate);

    //        MouseZoom myMouseZoom = new MouseZoom();
    //        myMouseZoom.setTransformGroup(rotation);
    //        myMouseZoom.setSchedulingBounds(new BoundingSphere());
    //        root.addChild(myMouseZoom);
    //
    PickMouse pick = new PickMouse(this, view, bounds);
    view.addChild(pick);

    addKeyListener(new KeyListener());

    angleV = (float) Math.PI / 4;
    angleH = (float) Math.PI / 5;

    draw(drawing);
    zoomAll();
  }
Exemple #9
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  private void createSceneGraph() throws PluginException, IfcModelInterfaceException {
    buildingTransformGroup = new TransformGroup();

    Set<Class<? extends IfcRoot>> classesToConvert = new HashSet<Class<? extends IfcRoot>>();
    classesToConvert.add(IfcWall.class);
    classesToConvert.add(IfcWallStandardCase.class);
    classesToConvert.add(IfcWindow.class);
    classesToConvert.add(IfcOpeningElement.class);
    classesToConvert.add(IfcSlab.class);
    classesToConvert.add(IfcRoof.class);
    classesToConvert.add(IfcColumn.class);
    classesToConvert.add(IfcSpace.class);
    classesToConvert.add(IfcDoor.class);
    classesToConvert.add(IfcRailing.class);
    classesToConvert.add(IfcFurnishingElement.class);
    classesToConvert.add(IfcStair.class);
    classesToConvert.add(IfcBeam.class);
    classesToConvert.add(IfcFlowTerminalType.class);
    classesToConvert.add(IfcDistributionFlowElement.class);
    classesToConvert.add(IfcSite.class);
    // classesToConvert.add(IfcProxy.class);

    for (IdEObject idEObject : model.getValues()) {
      if (classesToConvert.contains(idEObject.eClass().getInstanceClass())) {
        setGeometry((IfcRoot) idEObject);
      }
    }
    buildingBranchGroup = new BranchGroup();
    addLights(buildingBranchGroup);
    buildingBranchGroup.addChild(buildingTransformGroup);
    showLoader = false;
    sceneBranchGroup.removeChild(loaderBranchGroup);
    sharedGroup.addChild(buildingBranchGroup);

    // for (int x = 0; x < 5; x++) {
    // for (int y = 0; y < 5; y++) {
    Link link1 = new Link(sharedGroup);
    Transform3D t3d1 = new Transform3D();
    // t3d1.setTranslation(new Vector3f(x * 20, y * 20, 0f));
    BranchGroup x1 = new BranchGroup();
    TransformGroup t1 = new TransformGroup(t3d1);
    x1.addChild(t1);
    t1.addChild(link1);
    sceneBranchGroup.addChild(x1);
    // }
    // }

    reInitView();
  }
  private void labelAxes()
        // Place numbers along the X- and Z-axes at the integer positions
      {
    Vector3d pt = new Vector3d();
    for (int i = -FLOOR_LEN / 2; i <= FLOOR_LEN / 2; i++) {
      pt.x = i;
      floorBG.addChild(makeText(pt, "" + i)); // along x-axis
    }

    pt.x = 0;
    for (int i = -FLOOR_LEN / 2; i <= FLOOR_LEN / 2; i++) {
      pt.z = i;
      floorBG.addChild(makeText(pt, "" + i)); // along z-axis
    }
  } // end of labelAxes()
Exemple #11
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  public BranchGroup createSceneGraph(URL url) {

    try {
      Loader loader = new com.sun.j3d.loaders.objectfile.ObjectFile();
      Scene scene = loader.load(url);
      BranchGroup bg = scene.getSceneGroup();
      System.out.println(bg);
      TransformGroup[] views = scene.getViewGroups();
      if (views != null) {
        for (int i = 0; i < views.length; i++) {
          System.out.print(views[i]);
        }
        if (views.length > 0) viewStart = views[0];
      }
      return bg;
    } catch (Exception ex) {
      // in case there was a problem, print the stack out
      ex.printStackTrace();
      // System.out.println(ex);
      add("South", new Label(ex.toString()));
      System.out.println("URL: " + url);
      BranchGroup bg = new BranchGroup();
      bg.addChild(new ColorCube());
      System.out.println(bg);
      return bg;
    }
  }
Exemple #12
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  private void loadSheep() {
    VrmlLoader loader = new VrmlLoader();
    Scene myScene = null;
    try {
      myScene = loader.load("models" + File.separator + "Sheep.wrl");
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IncorrectFormatException e) {
      e.printStackTrace();
    } catch (ParsingErrorException e) {
      e.printStackTrace();
    }

    BranchGroup bg = new BranchGroup();
    TransformGroup offset = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setRotation(new AxisAngle4d(1.0, 0.0, 0.0, Math.PI / 2));
    t3d.setTranslation(new Vector3d(0.0, 0.0, 0.025));
    offset.setTransform(t3d);
    bg.addChild(offset);
    offset.addChild(myScene.getSceneGroup());

    sheepObject = new ModelObject(bg);

    viewer.addObject(sheepObject);
  }
Exemple #13
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  /** set up canvas to display all faces. */
  protected void setupWholeSphere() {

    if (allView && allGroup != null) allGroup.detach();

    allGroup = new BranchGroup();
    int nfaces = 12;

    try {
      theMap = theMap.regrade(nside);
    } catch (Exception e) {
      new Exception("Regrading failed", e);
    }

    // Find map min and max
    double min = theMap.getMin();
    double max = theMap.getMax();
    System.out.println("********** #Min(0)=" + min);
    System.out.println("********** #Max(0)=" + max);
    HealpixBase index = null;
    try {
      index = new HealpixBase(theMap.nside(), Scheme.NESTED);
    } catch (Exception e) {
      e.printStackTrace();
    }
    for (int f = 0; f < nfaces; f++) {
      HealSphere face = new DataSphere(f, theMap, 0, min, max, index);
      setAppearance(face);
      allGroup.addChild(face);
    }

    allGroup.setCapability(BranchGroup.ALLOW_DETACH);
    objTrans.addChild(allGroup);
    if (!allView) allGroup.detach();
  }
Exemple #14
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 /**
  * Ad block with default size of 50cm x 50cm x 50cm
  *
  * @param material - name of material. Must be rom World._availableMaterials list.
  * @param startCoordinates - given in cells unit
  */
 public void addNewBlock(Model.Material material, Vector3d startCoordinates, Point3d blocSize) {
   BranchGroup childBG = new BranchGroup();
   TransformGroup tg = new TransformGroup();
   Transform3D transform = new Transform3D();
   Vector3d vector = new Vector3d(startCoordinates.x, startCoordinates.y, startCoordinates.z);
   transform.setTranslation(vector);
   tg.setTransform(transform);
   Appearance app = new Appearance();
   Color3f cellColor = new Color3f();
   // float transparency = 0.8f;
   cellColor = material.get_color();
   float transparency = material.get_transparency();
   ColoringAttributes coloringAttributes =
       new ColoringAttributes(cellColor, ColoringAttributes.NICEST);
   app.setColoringAttributes(coloringAttributes);
   app.setTransparencyAttributes(
       new TransparencyAttributes(TransparencyAttributes.FASTEST, transparency));
   tg.addChild(
       new Box(
           (float) (blocSize.x / 2),
           (float) (blocSize.z / 2),
           (float) (blocSize.y / 2),
           Box.ENABLE_APPEARANCE_MODIFY,
           app));
   tg.getChild(0).setCapability(Box.ENABLE_APPEARANCE_MODIFY);
   childBG.addChild(tg);
   _startsOfBlocks.add(vector);
   childBG.setCapability(BranchGroup.ALLOW_DETACH);
   _contents.addChild(childBG);
 }
Exemple #15
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 public void setGround(boolean groundOn) {
   if (!groundOn) {
     kainBG.removeChild(groundBG);
     groundState = false;
   } else {
     kainBG.addChild(groundBG);
     groundState = true;
   }
 }
Exemple #16
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 public void setAxisLines(boolean axisOn) {
   if (!axisOn) {
     kainBG.removeChild(axisBG);
     axisState = false;
   } else {
     kainBG.addChild(axisBG);
     axisState = true;
   }
 }
Exemple #17
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  /**
   * Simple algorithm to add or remove an edge from the selection Ideas: 1. Use one shape per quad
   * => easy, but can become very fast too big to fit in memory. => pb: flicker when adding /
   * removing because the scene is detached 2. Use only one shape, modify geometry TODO: pre-create
   * an empty shape to avoid initial flicker
   *
   * @param on
   * @param p
   * @param u
   * @param v
   * @param groupIdx2
   */
  protected void toggleSelectedEdge(boolean on, SelectionEdge se) {
    if (on) {
      // add the given edge to the list
      if (edgeSelection.contains(se)) return; // already in
      edgeSelection.add(se);
    } else {
      // remove the given edge from the list
      if (!edgeSelection.contains(se)) return; // not present
      edgeSelection.remove(se);
      if (edgeSelection.size() == 0) {
        LineArray la = (LineArray) edgeSelectionShape.getGeometry();
        la.setValidVertexCount(0);
        return;
      }
    }
    // Use in-memory arrays instead of NIO because edgeSelection should not
    // be too big
    // => faster
    LineArray la =
        new LineArray(
            edgeSelection.size() * 2,
            GeometryArray.COORDINATES | GeometryArray.COLOR_3 | GeometryArray.BY_REFERENCE);
    double[] coords = new double[edgeSelection.size() * 2 * 3];
    float[] colors = new float[edgeSelection.size() * 2 * 3];

    for (int i = 0; i < coords.length; i += 6) {
      SelectionEdge edge = edgeSelection.get(i / 6);
      edge.updateCoords(grid, coords, i);
      edge.updateColors(colors, i);
    }
    la.setCoordRefDouble(coords);
    la.setColorRefFloat(colors);
    la.setCapability(GeometryArray.ALLOW_COUNT_WRITE);
    // update edgeSelection Shape with the new edgeSelection list
    if (edgeSelectionShape == null) {
      Appearance a = new Appearance();
      // PolygonAttributes pa = new
      // PolygonAttributes(PolygonAttributes.POLYGON_LINE,
      // PolygonAttributes.CULL_NONE, 0);
      // pa.setPolygonOffset(1); // above edges
      // pa.setPolygonOffsetFactor(1);
      LineAttributes lat = new LineAttributes();
      lat.setLineWidth(2.0f);
      lat.setLineAntialiasingEnable(true);
      a.setLineAttributes(lat);
      // a.setPolygonAttributes(pa);
      edgeSelectionShape = new Shape3D(la, a);
      edgeSelectionShape.setUserData(this);
      edgeSelectionShape.setPickable(false);
      edgeSelectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
      edgeSelectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_READ);

      BranchGroup bg = new BranchGroup();
      bg.addChild(edgeSelectionShape);
      addChild(bg);
    } else edgeSelectionShape.setGeometry(la);
  }
Exemple #18
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  private void addLights(BranchGroup transformGroup) {
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100000.0);

    AmbientLight ambientLight = new AmbientLight(new Color3f(0.5f, 0.5f, 0.5f));
    ambientLight.setInfluencingBounds(bounds);
    transformGroup.addChild(ambientLight);

    Color3f lightColor = new Color3f(1.0f, 1.0f, 1.0f);
    Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
    DirectionalLight light1 = new DirectionalLight(true, lightColor, light1Direction);
    light1.setInfluencingBounds(bounds);
    transformGroup.addChild(light1);

    light1Direction.negate();
    DirectionalLight light2 = new DirectionalLight(true, lightColor, light1Direction);
    light2.setInfluencingBounds(bounds);
    transformGroup.addChild(light2);
  }
 public BranchGroup createSceneGraph() {
   BranchGroup root = new BranchGroup(); // Create the root of the branch graph
   if (geometry_ == null) {
     int NUM_PARTICLES = 10;
     geometry_ = new Java3DParticlesGeometry(NUM_PARTICLES);
   }
   root.addChild(createPointShape(geometry_));
   return root;
 }
  public static void main(String args[]) {
    JFrame frame = new JFrame("Box and Sphere");

    GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();

    Canvas3D canvas = new Canvas3D(config);

    canvas.setSize(400, 400);

    SimpleUniverse universe = new SimpleUniverse(canvas);
    universe.getViewingPlatform().setNominalViewingTransform();

    BranchGroup group = new BranchGroup();
    group.setCapability(BranchGroup.ALLOW_CHILDREN_EXTEND);
    // group.setCapability(BranchGroup.ALLOW_CHILDREN_EXTEND);

    universe.addBranchGraph(group);

    frame.setSize(500, 400);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.getContentPane().setLayout(new BorderLayout());
    frame.getContentPane().add(canvas, BorderLayout.CENTER);
    frame.setVisible(true);
    Sphere sphere =
        new Sphere(1.1f, Sphere.GENERATE_NORMALS | Sphere.GENERATE_TEXTURE_COORDS, null);

    BranchGroup b = new BranchGroup();
    b.addChild(sphere);

    group.addChild(b);

    {
      Sphere sphere2 =
          new Sphere(1.0f, Sphere.GENERATE_NORMALS | Sphere.GENERATE_TEXTURE_COORDS, null);

      b = new BranchGroup();
      b.addChild(sphere2);

      Util3D.enablePicking(b);

      group.addChild(b);
    }
  }
Exemple #21
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  public void draw(DrawModel d) {
    view.detach();
    rotation.removeAllChildren();
    drawModel = d;
    if (drawModel.getPicture() == null) return;
    Integer i = 0;
    for (VisualShape v : drawModel.getPicture()) {
      TransformGroup shapeGroup = new TransformGroup();
      rotation.addChild(shapeGroup);
      BranchGroup faces = v.getFaces2(BranchGroup.class);
      BranchGroup edges = v.getEdges2(BranchGroup.class);
      BranchGroup text = v.getText2(BranchGroup.class);
      if (faces == null && edges == null) continue;
      i++;
      if (faces != null) {
        faces.detach();
        rotation.addChild(faces);
        faces.setPickable(true);
        faces.setUserData(v);
        faces.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
        faces.setName(i.toString());
      }
      if (edges != null) {
        edges.detach();
        rotation.addChild(edges);
        edges.setPickable(true);
        edges.setUserData(v);
        edges.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
        edges.setName(i.toString());
      }

      if (text != null) {
        text.detach();
        rotation.addChild(text);
        text.setPickable(false);
        if (text instanceof BranchGroup) {
          BranchGroup bg = (BranchGroup) text;
          for (int j = 0; j < bg.numChildren(); j++) {
            Node child = bg.getChild(j);
            if (child instanceof TransformGroup) {
              TransformGroup tg = (TransformGroup) child;
              tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
              tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
              textLabels.add(tg);
            }
          }
        }

        //        		edges.setUserData(v);
        //        		edges.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
        //         		edges.setName(i.toString());
      }
    }
    root.addChild(view);
  }
  public void showCategory(String categoryName) {
    if (displayedMenuItems.numChildren() != 0) displayedMenuItems.removeAllChildren();

    BranchGroup category = menuBranches.get(categoryName);
    displayedMenuItems.addChild(category);
    Enumeration<MenuItem> children = category.getAllChildren();
    while (children.hasMoreElements()) {
      MenuItem child = (MenuItem) children.nextElement();
      child.armBehavior();
    }
  }
  private BranchGroup setApperancePackInBranchGroup(Shape3D shape, Node handle) {
    shape.setUserData(this);

    shape.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);

    BranchGroup bg = new BranchGroup();
    bg.setCapability(BranchGroup.ALLOW_DETACH);
    bg.addChild(handle);
    bg.compile();
    return bg;
  }
 public MyMousePickBehavior(Canvas3D canvas, BranchGroup root, Bounds bounds, JTextArea jta) {
   super(canvas, root, bounds);
   this.jta = jta;
   this.setSchedulingBounds(bounds);
   root.addChild(this);
   pickCanvas.setMode(PickTool.GEOMETRY);
   appear = new Appearance();
   mater = new Material();
   mater.setDiffuseColor(new Color3f(Color.red));
   appear.setMaterial(mater);
 }
Exemple #25
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  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);
  }
  // Some light is added to the scene here.
  public void addLight(SimpleUniverse su) {

    BranchGroup bgLight = new BranchGroup();

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), Double.MAX_VALUE);

    // Directional light.
    Color3f lightColour = new Color3f(1.0f, 1.0f, 1.0f);
    Vector3f lightDir = new Vector3f(1.0f, -1.0f, -1.0f);
    DirectionalLight light = new DirectionalLight(lightColour, lightDir);
    light.setInfluencingBounds(bounds);
    bgLight.addChild(light);

    // Ambient light.
    Color3f ambientLightColour = new Color3f(0.5f, 0.5f, 0.5f);
    AmbientLight ambLight = new AmbientLight(ambientLightColour);
    ambLight.setInfluencingBounds(bounds);
    bgLight.addChild(ambLight);

    su.addBranchGraph(bgLight);
  }
Exemple #27
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  /**
   * Simple algorithm to add or remove a quad from the selection Ideas: 1. Use one shape per quad =>
   * easy, but can become very fast too big to fit in memory. => pb: flicker when adding / removing
   * because the scene is detached 2. Use only one shape, modify geometry TODO: pre-create an empty
   * shape to avoid initial flicker
   *
   * @param on
   * @param p
   * @param u
   * @param v
   * @param groupIdx2
   */
  protected void toggleSelectedQuad(boolean on, SelectionQuad sq) {
    LOGGER.finest("on=" + on + " selectionQuad=" + sq);
    if (on) {
      // add the given quad to the list
      if (selection.contains(sq)) return; // already in
      selection.add(sq);
    } else {
      // remove the given quad from the list
      if (!selection.contains(sq)) return; // not present
      selection.remove(sq);
      if (selection.size() == 0) {
        QuadArray qa = (QuadArray) selectionShape.getGeometry();
        qa.setValidVertexCount(0);
        return;
      }
    }
    // Use in-memory arrays instead of NIO because selection should not be
    // too big
    // => faster
    QuadArray qa =
        new QuadArray(
            selection.size() * 4,
            GeometryArray.COORDINATES | GeometryArray.COLOR_3 | GeometryArray.BY_REFERENCE);
    float[] coords = new float[selection.size() * 4 * 3];
    float[] colors = new float[selection.size() * 4 * 3];

    for (int i = 0; i < coords.length; i += 12) {
      SelectionQuad quad = selection.get(i / 12);
      quad.updateCoords(grid, coords, i);
      quad.updateColors(colors, i);
    }
    qa.setCoordRefFloat(coords);
    qa.setColorRefFloat(colors);
    qa.setCapability(GeometryArray.ALLOW_COUNT_WRITE);
    // update selection Shape with the new selection list
    if (selectionShape == null) {
      Appearance a = new Appearance();
      PolygonAttributes pa =
          new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_NONE, 0);
      pa.setPolygonOffset(0.5f); // between faces and edges
      pa.setPolygonOffsetFactor(0.5f);
      a.setPolygonAttributes(pa);
      selectionShape = new Shape3D(qa, a);
      selectionShape.setUserData(this);
      selectionShape.setPickable(false);
      selectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
      selectionShape.setCapability(Shape3D.ALLOW_GEOMETRY_READ);
      BranchGroup bg = new BranchGroup();
      bg.addChild(selectionShape);
      addChild(bg);
    } else selectionShape.setGeometry(qa);
  }
  public CheckerFloor()
        // create tiles, add origin marker, then the axes labels
      {
    ArrayList blueCoords = new ArrayList();
    ArrayList greenCoords = new ArrayList();
    floorBG = new BranchGroup();

    boolean isBlue;
    for (int z = -FLOOR_LEN / 2; z <= (FLOOR_LEN / 2) - 1; z++) {
      isBlue = (z % 2 == 0) ? true : false; // set colour for new row
      for (int x = -FLOOR_LEN / 2; x <= (FLOOR_LEN / 2) - 1; x++) {
        if (isBlue) createCoords(x, z, blueCoords);
        else createCoords(x, z, greenCoords);
        isBlue = !isBlue;
      }
    }
    floorBG.addChild(new ColouredTiles(blueCoords, blue));
    floorBG.addChild(new ColouredTiles(greenCoords, green));

    addOriginMarker();
    labelAxes();
  } // end of CheckerFloor()
Exemple #29
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  public BranchGroup addTriangle(Simplex simplex, Color3f color) {

    int[] p = simplex.getPoints();
    BranchGroup bgTriangle = new BranchGroup();
    bgTriangle.setCapability(BranchGroup.ALLOW_DETACH);

    javax.vecmath.Point3d[] coords = new javax.vecmath.Point3d[6];
    TriangleArray ta = new TriangleArray(6, TriangleArray.COORDINATES | TriangleArray.COLOR_3);

    Point3d p0 = (Point3d) complex.getPoints().get(simplex.getPoints()[0]);
    Point3d p1 = (Point3d) complex.getPoints().get(simplex.getPoints()[1]);
    Point3d p2 = (Point3d) complex.getPoints().get(simplex.getPoints()[2]);
    coords[0] = new javax.vecmath.Point3d(p0.getX(), p0.getY(), p0.getZ());
    coords[1] = new javax.vecmath.Point3d(p1.getX(), p1.getY(), p1.getZ());
    coords[2] = new javax.vecmath.Point3d(p2.getX(), p2.getY(), p2.getZ());
    coords[3] = new javax.vecmath.Point3d(p0.getX(), p0.getY(), p0.getZ());
    coords[4] = new javax.vecmath.Point3d(p2.getX(), p2.getY(), p2.getZ());
    coords[5] = new javax.vecmath.Point3d(p1.getX(), p1.getY(), p1.getZ());

    ta.setCoordinates(0, coords);
    Color3f[] colors = new Color3f[6];
    for (int i = 0; i < 3; i++) colors[i] = Colors.black;
    for (int i = 3; i < 6; i++) colors[i] = Colors.yellow;

    ta.setColors(0, colors);

    Appearance ap = new Appearance();
    ap.setCapability(Appearance.ALLOW_LINE_ATTRIBUTES_READ);
    ap.setCapability(Appearance.ALLOW_LINE_ATTRIBUTES_WRITE);
    ap.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_READ);
    ap.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_WRITE);
    ap.setLineAttributes(new LineAttributes(2, LineAttributes.PATTERN_SOLID, false));
    ap.setMaterial(new Material());
    ap.setTransparencyAttributes(
        new TransparencyAttributes(TransparencyAttributes.SCREEN_DOOR, 0.5f));

    Shape3D shape = new Shape3D(ta, ap);

    shape.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
    shape.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
    simplex.setTriangle(shape);
    //			 simplex.bgTriangle = bgTriangle;

    TransformGroup tgTriangle = new TransformGroup();
    tgTriangle.addChild(shape);

    bgTriangle.addChild(tgTriangle);
    spin.addChild(bgTriangle);
    return bgTriangle;
  }
  // Directional light rotating around the scene and some ambient light.
  public void addLight(SimpleUniverse su) {

    BranchGroup bgLight = new BranchGroup();

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), Double.MAX_VALUE);

    // Directional light (to be rotated).
    Color3f lightColour = new Color3f(1.0f, 1.0f, 1.0f);
    Vector3f lightDir = new Vector3f(0.0f, 0.0f, -1.0f);
    DirectionalLight light = new DirectionalLight(lightColour, lightDir);
    light.setInfluencingBounds(bounds);

    // The transformation group for the directional light and its rotation.
    TransformGroup tfmLight = new TransformGroup();
    tfmLight.addChild(light);

    // The Alpha for the rotation.
    Alpha alphaLight = new Alpha(-1, 4000);
    // The rotation
    RotationInterpolator rot =
        new RotationInterpolator(
            alphaLight, tfmLight, new Transform3D(), 0.0f, (float) Math.PI * 2);
    rot.setSchedulingBounds(bounds);

    tfmLight.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    tfmLight.addChild(rot);

    bgLight.addChild(tfmLight);

    // Ambient light.
    Color3f ambientLightColour = new Color3f(0.5f, 0.5f, 0.5f);
    AmbientLight ambLight = new AmbientLight(ambientLightColour);
    ambLight.setInfluencingBounds(bounds);
    bgLight.addChild(ambLight);

    su.addBranchGraph(bgLight);
  }