List of usage examples for javax.media.j3d TransformGroup addChild
public void addChild(Node child)
From source file:SimpleTest.java
public TransformGroup createBehaviors(BranchGroup bg) { // create a TransformGroup. ////from w w w.j a v a 2s. co m // A TransformGroup is a Group node (can have children) // and contains a Transform3D member. // // The Transform3D member contains a 4x4 transformation matrix // that is applied during rendering to all the TransformGroup's // child nodes. The 4x4 matrix can describe: // scaling, translation and rotation in one neat package! // enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // create a new Transform3D that will describe // the direction we want to move. Transform3D xAxis = new Transform3D(); // create an Alpha object. // The Alpha object describes a function against time. // The Alpha will output a value that ranges between 0 and 1 // using the time parameters (in milliseconds). Alpha xAlpha = new Alpha(-1, Alpha.DECREASING_ENABLE | Alpha.INCREASING_ENABLE, 1000, 1000, 5000, 1000, 1000, 10000, 2000, 4000); // create a PositionInterpolator // The PositionInterpolator will modify the translation components // of a TransformGroup's Transform3D (objTrans) based on the output // from the Alpha. In this case the movement will range from // -0.8 along the X-axis with Alpha=0 to X=0.8 when Alpha=1. PositionInterpolator posInt = new PositionInterpolator(xAlpha, objTrans, xAxis, -0.8f, 0.8f); // set the range of influence of the PositionInterpolator posInt.setSchedulingBounds(getBoundingSphere()); // wire the PositionInterpolator into its parent // TransformGroup. Just like rendering nodes behaviors // must be added to the scenegraph. objTrans.addChild(posInt); // add the TransformGroup to its parent BranchGroup bg.addChild(objTrans); // we return the TransformGroup with the // behavior attached so that we can add nodes to it // (which will be effected by the PositionInterpolator). return objTrans; }
From source file:TransformExplorer.java
RotAxis(float axisLength) { super(Switch.CHILD_NONE); setCapability(Switch.ALLOW_SWITCH_READ); setCapability(Switch.ALLOW_SWITCH_WRITE); // set up the proportions for the arrow float axisRadius = axisLength / 120.0f; float arrowRadius = axisLength / 50.0f; float arrowHeight = axisLength / 30.0f; // create the TransformGroup which will be used to orient the axis axisTG = new TransformGroup(); axisTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); axisTG.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); addChild(axisTG);/* www .ja v a 2 s . co m*/ // Set up an appearance to make the Axis have // blue ambient, black emmissive, blue diffuse and white specular // coloring. Material material = new Material(blue, black, blue, white, 64); Appearance appearance = new Appearance(); appearance.setMaterial(material); // create a cylinder for the central line of the axis Cylinder cylinder = new Cylinder(axisRadius, axisLength, appearance); // cylinder goes from -length/2 to length/2 in y axisTG.addChild(cylinder); // create a SharedGroup for the arrowHead Cone arrowHead = new Cone(arrowRadius, arrowHeight, appearance); SharedGroup arrowHeadSG = new SharedGroup(); arrowHeadSG.addChild(arrowHead); // Create a TransformGroup to move the cone to the top of the // cylinder tmpVector.set(0.0f, axisLength / 2 + arrowHeight / 2, 0.0f); tmpTrans.set(tmpVector); TransformGroup topTG = new TransformGroup(); topTG.setTransform(tmpTrans); topTG.addChild(new Link(arrowHeadSG)); axisTG.addChild(topTG); // create the bottom of the arrow // Create a TransformGroup to move the cone to the bottom of the // axis so that its pushes into the bottom of the cylinder tmpVector.set(0.0f, -(axisLength / 2), 0.0f); tmpTrans.set(tmpVector); TransformGroup bottomTG = new TransformGroup(); bottomTG.setTransform(tmpTrans); bottomTG.addChild(new Link(arrowHeadSG)); axisTG.addChild(bottomTG); updateAxisTransform(); }
From source file:LightTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); // create the 4 lights - the actual creation // and UI managment is delegated to an object // that "shadows" (no pun intended) the functionality // of the particular light createLight(new AmbientLightObject(), objRoot); createLight(new PointLightObject(), objRoot); createLight(new DirectionalLightObject(), objRoot); createLight(new SpotLightObject(), objRoot); // rotate some of the spheres in the scene TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f, (float) Math.PI * 2.0f); rotator.setSchedulingBounds(getApplicationBounds()); objTrans.addChild(rotator); // create a large sphere in the center of the // scene and the floor as staionary objects objRoot.addChild(createSphere(0, 0, 0, 2)); objRoot.addChild(createFloor());/*w ww.jav a 2 s .c o m*/ // create a smaller sphere at the corners of a cube final int nCubeSize = 3; objTrans.addChild(createSphere(nCubeSize, nCubeSize, nCubeSize, 1)); objTrans.addChild(createSphere(nCubeSize, nCubeSize, -nCubeSize, 1)); objTrans.addChild(createSphere(nCubeSize, -nCubeSize, nCubeSize, 1)); objTrans.addChild(createSphere(nCubeSize, -nCubeSize, -nCubeSize, 1)); objTrans.addChild(createSphere(-nCubeSize, nCubeSize, nCubeSize, 1)); objTrans.addChild(createSphere(-nCubeSize, nCubeSize, -nCubeSize, 1)); objTrans.addChild(createSphere(-nCubeSize, -nCubeSize, nCubeSize, 1)); objTrans.addChild(createSphere(-nCubeSize, -nCubeSize, -nCubeSize, 1)); // add some small spheres here and there to // make things interesting objRoot.addChild(createSphere(-6, -6, 2, 1)); objRoot.addChild(createSphere(8, -5, 3, 1)); objRoot.addChild(createSphere(6, 7, -1, 1)); objRoot.addChild(createSphere(-5, 6, -3.5f, 0.5f)); objRoot.addChild(objTrans); return objRoot; }
From source file:CuboidTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f, (float) Math.PI * 2.0f); rotator.setSchedulingBounds(bounds); objTrans.addChild(rotator); // create an appearance Appearance ap = new Appearance(); // render as a wireframe PolygonAttributes polyAttrbutes = new PolygonAttributes(); polyAttrbutes.setPolygonMode(PolygonAttributes.POLYGON_LINE); polyAttrbutes.setCullFace(PolygonAttributes.CULL_NONE); ap.setPolygonAttributes(polyAttrbutes); objTrans.addChild(new Cuboid(50, 30, 20, ap)); objTrans.addChild(new Box(25, 15, 10, ap)); objRoot.addChild(objTrans);//from www . ja v a2s . com return objRoot; }
From source file:BehaviorTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); // create a TransformGroup to rotate the hand TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); // create a RotationInterpolator behavior to rotate the hand Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); m_RotationInterpolator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f, (float) Math.PI * 2.0f); m_RotationInterpolator.setSchedulingBounds(createApplicationBounds()); objTrans.addChild(m_RotationInterpolator); // create an Appearance and Material Appearance app = new Appearance(); TextureLoader tex = new TextureLoader("earth.jpg", this); app.setTexture(tex.getTexture());/*from w w w .j a v a2s.co m*/ Sphere sphere = new Sphere(3, Primitive.GENERATE_NORMALS | Primitive.GENERATE_TEXTURE_COORDS, 32, app); // connect the scenegraph objTrans.addChild(sphere); objRoot.addChild(objTrans); m_FpsBehavior = new FpsBehavior(); m_FpsBehavior.setSchedulingBounds(getApplicationBounds()); objRoot.addChild(m_FpsBehavior); m_BoundsBehavior = new BoundsBehavior(sphere); m_BoundsBehavior.setSchedulingBounds(getApplicationBounds()); m_BoundsBehavior.addBehaviorToParentGroup(objTrans); m_StretchBehavior = new StretchBehavior((GeometryArray) sphere.getShape().getGeometry()); m_StretchBehavior.setSchedulingBounds(getApplicationBounds()); objRoot.addChild(m_StretchBehavior); m_StretchBehavior.setEnable(false); m_SizeBehavior = new ObjectSizeBehavior((GeometryArray) sphere.getShape().getGeometry()); m_SizeBehavior.setSchedulingBounds(getApplicationBounds()); objRoot.addChild(m_SizeBehavior); m_SizeBehavior.setEnable(false); m_ExplodeBehavior = new ExplodeBehavior(sphere.getShape(), 10000, 20, this); m_ExplodeBehavior.setSchedulingBounds(getApplicationBounds()); objRoot.addChild(m_ExplodeBehavior); return objRoot; }
From source file:TransformExplorer.java
CoordSys(float axisLength) { super(Switch.CHILD_ALL); float coordSysLength = axisLength; float labelOffset = axisLength / 20.0f; float axisRadius = axisLength / 500.0f; float arrowRadius = axisLength / 125.0f; float arrowHeight = axisLength / 50.0f; float tickRadius = axisLength / 125.0f; float tickHeight = axisLength / 250.0f; // Set the Switch to allow changes setCapability(Switch.ALLOW_SWITCH_READ); setCapability(Switch.ALLOW_SWITCH_WRITE); // Set up an appearance to make the Axis have // grey ambient, black emmissive, grey diffuse and grey specular // coloring.//from ww w. ja v a 2s .c o m //Material material = new Material(grey, black, grey, white, 64); Material material = new Material(white, black, white, white, 64); Appearance appearance = new Appearance(); appearance.setMaterial(material); // Create a shared group to hold one axis of the coord sys SharedGroup coordAxisSG = new SharedGroup(); // create a cylinder for the central line of the axis Cylinder cylinder = new Cylinder(axisRadius, coordSysLength, appearance); // cylinder goes from -coordSysLength/2 to coordSysLength in y coordAxisSG.addChild(cylinder); // create the shared arrowhead Cone arrowHead = new Cone(arrowRadius, arrowHeight, appearance); SharedGroup arrowHeadSG = new SharedGroup(); arrowHeadSG.addChild(arrowHead); // Create a TransformGroup to move the arrowhead to the top of the // axis // The arrowhead goes from -arrowHeight/2 to arrowHeight/2 in y. // Put it at the top of the axis, coordSysLength / 2 tmpVector.set(0.0f, coordSysLength / 2 + arrowHeight / 2, 0.0f); tmpTrans.set(tmpVector); TransformGroup topTG = new TransformGroup(); topTG.setTransform(tmpTrans); topTG.addChild(new Link(arrowHeadSG)); coordAxisSG.addChild(topTG); // create the minus arrowhead // Create a TransformGroup to turn the cone upside down: // Rotate 180 degrees around Z axis tmpAxisAngle.set(0.0f, 0.0f, 1.0f, (float) Math.toRadians(180)); tmpTrans.set(tmpAxisAngle); // Put the arrowhead at the bottom of the axis tmpVector.set(0.0f, -coordSysLength / 2 - arrowHeight / 2, 0.0f); tmpTrans.setTranslation(tmpVector); TransformGroup bottomTG = new TransformGroup(); bottomTG.setTransform(tmpTrans); bottomTG.addChild(new Link(arrowHeadSG)); coordAxisSG.addChild(bottomTG); // Now add "ticks" at 1, 2, 3, etc. // create a shared group for the tick Cylinder tick = new Cylinder(tickRadius, tickHeight, appearance); SharedGroup tickSG = new SharedGroup(); tickSG.addChild(tick); // transform each instance and add it to the coord axis group int maxTick = (int) (coordSysLength / 2); int minTick = -maxTick; for (int i = minTick; i <= maxTick; i++) { if (i == 0) continue; // no tick at 0 // use a TransformGroup to offset to the tick location TransformGroup tickTG = new TransformGroup(); tmpVector.set(0.0f, (float) i, 0.0f); tmpTrans.set(tmpVector); tickTG.setTransform(tmpTrans); // then link to an instance of the Tick shared group tickTG.addChild(new Link(tickSG)); // add the TransformGroup to the coord axis coordAxisSG.addChild(tickTG); } // add a Link to the axis SharedGroup to the coordSys addChild(new Link(coordAxisSG)); // Y axis // Create TransformGroups for the X and Z axes TransformGroup xAxisTG = new TransformGroup(); // rotate 90 degrees around Z axis tmpAxisAngle.set(0.0f, 0.0f, 1.0f, (float) Math.toRadians(90)); tmpTrans.set(tmpAxisAngle); xAxisTG.setTransform(tmpTrans); xAxisTG.addChild(new Link(coordAxisSG)); addChild(xAxisTG); // X axis TransformGroup zAxisTG = new TransformGroup(); // rotate 90 degrees around X axis tmpAxisAngle.set(1.0f, 0.0f, 0.0f, (float) Math.toRadians(90)); tmpTrans.set(tmpAxisAngle); zAxisTG.setTransform(tmpTrans); zAxisTG.addChild(new Link(coordAxisSG)); addChild(zAxisTG); // Z axis // Add the labels. First we need a Font3D for the Text3Ds // select the default font, plain style, 0.5 tall. Use null for // the extrusion so we get "flat" text since we will be putting it // into an oriented Shape3D Font3D f3d = new Font3D(new Font("Default", Font.PLAIN, 1), null); // set up the +X label Text3D plusXText = new Text3D(f3d, "+X", origin, Text3D.ALIGN_CENTER, Text3D.PATH_RIGHT); // orient around the local origin OrientedShape3D plusXTextShape = new OrientedShape3D(plusXText, appearance, OrientedShape3D.ROTATE_ABOUT_POINT, origin); // transform to scale down to 0.15 in height, locate at end of axis TransformGroup plusXTG = new TransformGroup(); tmpVector.set(coordSysLength / 2 + labelOffset, 0.0f, 0.0f); tmpTrans.set(0.15f, tmpVector); plusXTG.setTransform(tmpTrans); plusXTG.addChild(plusXTextShape); addChild(plusXTG); // set up the -X label Text3D minusXText = new Text3D(f3d, "-X", origin, Text3D.ALIGN_CENTER, Text3D.PATH_RIGHT); // orient around the local origin OrientedShape3D minusXTextShape = new OrientedShape3D(minusXText, appearance, OrientedShape3D.ROTATE_ABOUT_POINT, origin); // transform to scale down to 0.15 in height, locate at end of axis TransformGroup minusXTG = new TransformGroup(); tmpVector.set(-coordSysLength / 2 - labelOffset, 0.0f, 0.0f); tmpTrans.set(0.15f, tmpVector); minusXTG.setTransform(tmpTrans); minusXTG.addChild(minusXTextShape); addChild(minusXTG); // set up the +Y label Text3D plusYText = new Text3D(f3d, "+Y", origin, Text3D.ALIGN_CENTER, Text3D.PATH_RIGHT); // orient around the local origin OrientedShape3D plusYTextShape = new OrientedShape3D(plusYText, appearance, OrientedShape3D.ROTATE_ABOUT_POINT, origin); // transform to scale down to 0.15 in height, locate at end of axis TransformGroup plusYTG = new TransformGroup(); tmpVector.set(0.0f, coordSysLength / 2 + labelOffset, 0.0f); tmpTrans.set(0.15f, tmpVector); plusYTG.setTransform(tmpTrans); plusYTG.addChild(plusYTextShape); addChild(plusYTG); // set up the -Y label Text3D minusYText = new Text3D(f3d, "-Y", origin, Text3D.ALIGN_CENTER, Text3D.PATH_RIGHT); // orient around the local origin OrientedShape3D minusYTextShape = new OrientedShape3D(minusYText, appearance, OrientedShape3D.ROTATE_ABOUT_POINT, origin); // transform to scale down to 0.15 in height, locate at end of axis TransformGroup minusYTG = new TransformGroup(); tmpVector.set(0.0f, -coordSysLength / 2 - labelOffset, 0.0f); tmpTrans.set(0.15f, tmpVector); minusYTG.setTransform(tmpTrans); minusYTG.addChild(minusYTextShape); addChild(minusYTG); // set up the +Z label Text3D plusZText = new Text3D(f3d, "+Z", origin, Text3D.ALIGN_CENTER, Text3D.PATH_RIGHT); // orient around the local origin OrientedShape3D plusZTextShape = new OrientedShape3D(plusZText, appearance, OrientedShape3D.ROTATE_ABOUT_POINT, origin); // transform to scale down to 0.15 in height, locate at end of axis TransformGroup plusZTG = new TransformGroup(); tmpVector.set(0.0f, 0.0f, coordSysLength / 2 + labelOffset); tmpTrans.set(0.15f, tmpVector); plusZTG.setTransform(tmpTrans); plusZTG.addChild(plusZTextShape); addChild(plusZTG); // set up the -Z label Text3D minusZText = new Text3D(f3d, "-Z", origin, Text3D.ALIGN_CENTER, Text3D.PATH_RIGHT); // orient around the local origin OrientedShape3D minusZTextShape = new OrientedShape3D(minusZText, appearance, OrientedShape3D.ROTATE_ABOUT_POINT, origin); // transform to scale down to 0.15 in height, locate at end of axis TransformGroup minusZTG = new TransformGroup(); tmpVector.set(0.0f, 0.0f, -coordSysLength / 2 - labelOffset); tmpTrans.set(0.15f, tmpVector); minusZTG.setTransform(tmpTrans); minusZTG.addChild(minusZTextShape); addChild(minusZTG); }
From source file:KeyNavigateTest.java
protected Group createGeometryGroup(Appearance app, Vector3d position, Vector3d scale, String szTextureFile, String szSoundFile) {//www . j a va 2 s . c o m TransformGroup tg = new TransformGroup(); tg.addChild(new Cone(5, 30)); attachBehavior(new RandomWalkBehavior(getBehaviorTransformGroup(), m_CollisionDetector)); return tg; }
From source file:Text3DTest.java
TransformGroup createText3D(TornadoRotation rotator, String szText, int nSize, float scale, float trans, int nPath) { TransformGroup tg = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(scale);//from w ww. ja va2 s . c om t3d.setTranslation(new Vector3d(0.0, trans, -10.0)); tg.setTransform(t3d); // use a customized FontExtrusion object to control the depth of the // text double X1 = 0; double Y1 = 0; double X2 = 3; double Y2 = 0; Shape extrusionShape = new java.awt.geom.Line2D.Double(X1, Y1, X2, Y2); FontExtrusion fontEx = new FontExtrusion(extrusionShape); Font3D f3d = new Font3D(new Font("TimesRoman", Font.PLAIN, nSize), fontEx); TornadoText3D text3D = new TornadoText3D(f3d, szText, new Point3f(0.0f, 0.0f, 0.0f), Text3D.ALIGN_CENTER, nPath); rotator.addTornadoText3D(text3D); // create an appearance Color3f black = new Color3f(0.1f, 0.1f, 0.1f); Color3f objColor = new Color3f(0.2f, 0.2f, 0.2f); Appearance app = new Appearance(); app.setMaterial(new Material(objColor, black, objColor, black, 90.0f)); // render as a wireframe PolygonAttributes polyAttrbutes = new PolygonAttributes(); polyAttrbutes.setPolygonMode(PolygonAttributes.POLYGON_LINE); polyAttrbutes.setCullFace(PolygonAttributes.CULL_NONE); app.setPolygonAttributes(polyAttrbutes); tg.addChild(new Shape3D(text3D, app)); return tg; }
From source file:BooksDemo.java
public void createScene() { BufferedImage image = new BufferedImage(xpanel.getWidth(), xpanel.getHeight(), BufferedImage.TYPE_INT_RGB); getContentPane().paint(image.getGraphics()); BufferedImage subImage = new BufferedImage(CANVAS3D_WIDTH, CANVAS3D_HEIGHT, BufferedImage.TYPE_INT_RGB); ((Graphics2D) subImage.getGraphics()).drawImage(image, null, -c3d.getX(), -c3d.getY()); Background bg = new Background(new ImageComponent2D(ImageComponent2D.FORMAT_RGB, subImage)); BoundingSphere bounds = new BoundingSphere(); bounds.setRadius(100.0);/* w w w . j a va2 s .c om*/ bg.setApplicationBounds(bounds); BranchGroup objRoot = new BranchGroup(); objRoot.addChild(bg); TransformGroup objTg = new TransformGroup(); objTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D yAxis = new Transform3D(); rotor1Alpha = new Alpha(1, 400); rotator1 = new RotationInterpolator(rotor1Alpha, objTg, yAxis, (float) Math.PI * 1.0f, (float) Math.PI * 2.0f); rotator1.setSchedulingBounds(bounds); textures.put("pages_top", createTexture("pages_top.jpg")); textures.put("pages", createTexture("amazon.jpg")); textures.put("amazon", createTexture("amazon.jpg")); textures.put("cover1", createTexture("cover1.jpg")); textures.put("cover2", createTexture("cover2.jpg")); textures.put("cover3", createTexture("cover3.jpg")); book = new com.sun.j3d.utils.geometry.Box(0.5f, 0.7f, 0.15f, com.sun.j3d.utils.geometry.Box.GENERATE_TEXTURE_COORDS, new Appearance()); book.getShape(book.TOP).setAppearance((Appearance) textures.get("pages_top")); book.getShape(book.RIGHT).setAppearance((Appearance) textures.get("pages")); book.getShape(book.LEFT).setAppearance((Appearance) textures.get("amazon")); book.getShape(book.FRONT).setAppearance((Appearance) textures.get("cover1")); book.getShape(book.BACK).setCapability(Shape3D.ALLOW_APPEARANCE_WRITE); book.getShape(book.FRONT).setCapability(Shape3D.ALLOW_APPEARANCE_WRITE); // book.getShape(book.LEFT).setCapability(Shape3D.ALLOW_APPEARANCE_WRITE); // book.getShape(book.RIGHT).setCapability(Shape3D.ALLOW_APPEARANCE_WRITE); objTg.addChild(book); objTg.addChild(rotator1); Transform3D spin = new Transform3D(); Transform3D tempspin = new Transform3D(); spin.rotX(Math.PI / 8.0d); tempspin.rotY(Math.PI / 7.0d); spin.mul(tempspin); TransformGroup objTrans = new TransformGroup(spin); objTrans.addChild(objTg); objRoot.addChild(objTrans); SimpleUniverse u = new SimpleUniverse(c3d); u.getViewingPlatform().setNominalViewingTransform(); u.addBranchGraph(objRoot); View view = u.getViewer().getView(); view.setSceneAntialiasingEnable(true); }
From source file:AlternateAppearanceScopeTest.java
BranchGroup createSceneGraph() {
BranchGroup objRoot = new BranchGroup();
// Create influencing bounds
worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center
1000.0); // Extent
Transform3D t = new Transform3D();
// move the object upwards
t.set(new Vector3f(0.0f, 0.1f, 0.0f));
// Shrink the object
t.setScale(0.8);//from w w w .ja v a 2s .c o m
TransformGroup trans = new TransformGroup(t);
trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
otherApp = new Appearance();
altMat = new Material();
altMat.setCapability(Material.ALLOW_COMPONENT_WRITE);
altMat.setDiffuseColor(new Color3f(0.0f, 1.0f, 0.0f));
otherApp.setMaterial(altMat);
altApp = new AlternateAppearance();
altApp.setAppearance(otherApp);
altApp.setCapability(AlternateAppearance.ALLOW_SCOPE_WRITE);
altApp.setCapability(AlternateAppearance.ALLOW_SCOPE_READ);
altApp.setInfluencingBounds(worldBounds);
objRoot.addChild(altApp);
// Build foreground geometry into two groups. We'll
// create three directional lights below, one each with
// scope to cover the first geometry group only, the
// second geometry group only, or both geometry groups.
Appearance app1 = new Appearance();
mat1 = new Material();
mat1.setCapability(Material.ALLOW_COMPONENT_WRITE);
mat1.setDiffuseColor(new Color3f(1.0f, 0.0f, 0.0f));
app1.setMaterial(mat1);
content1 = new SphereGroup(0.05f, // radius of spheres
0.4f, // x spacing
0.2f, // y spacing
3, // number of spheres in X
5, // number of spheres in Y
app1, // appearance
true); // alt app override = true
trans.addChild(content1);
shapes1 = ((SphereGroup) content1).getShapes();
content2 = new SphereGroup(0.05f, // radius of spheres
.4f, // x spacing
0.2f, // y spacing
2, // number of spheres in X
5, // number of spheres in Y
app1, // appearance
true); // alt app override = true
trans.addChild(content2);
shapes2 = ((SphereGroup) content2).getShapes();
// Add lights
DirectionalLight light1 = null;
light1 = new DirectionalLight();
light1.setEnable(true);
light1.setColor(new Color3f(0.2f, 0.2f, 0.2f));
light1.setDirection(new Vector3f(1.0f, 0.0f, -1.0f));
light1.setInfluencingBounds(worldBounds);
objRoot.addChild(light1);
DirectionalLight light2 = new DirectionalLight();
light2.setEnable(true);
light2.setColor(new Color3f(0.2f, 0.2f, 0.2f));
light2.setDirection(new Vector3f(-1.0f, 0.0f, 1.0f));
light2.setInfluencingBounds(worldBounds);
objRoot.addChild(light2);
// Add an ambient light to dimly illuminate the rest of
// the shapes in the scene to help illustrate that the
// directional lights are being scoped... otherwise it looks
// like we're just removing shapes from the scene
AmbientLight ambient = new AmbientLight();
ambient.setEnable(true);
ambient.setColor(new Color3f(1.0f, 1.0f, 1.0f));
ambient.setInfluencingBounds(worldBounds);
objRoot.addChild(ambient);
objRoot.addChild(trans);
return objRoot;
}