List of usage examples for javax.media.j3d TransformGroup setCapability
public final void setCapability(int bit)
From source file:TransformExplorer.java
BranchGroup createSceneGraph() {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Create a TransformGroup to scale the scene down by 3.5x
TransformGroup objScale = new TransformGroup();
Transform3D scaleTrans = new Transform3D();
scaleTrans.set(1 / 3.5f); // scale down by 3.5x
objScale.setTransform(scaleTrans);/*w w w . ja va 2s. com*/
objRoot.addChild(objScale);
// Create a TransformGroup and initialize it to the
// identity. Enable the TRANSFORM_WRITE capability so that
// the mouse behaviors code can modify it at runtime. Add it to the
// root of the subgraph.
TransformGroup objTrans = new TransformGroup();
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
objScale.addChild(objTrans);
// Add the primitives to the scene
objTrans.addChild(createConeTransformGroup()); // the cone
rotAxis = new RotAxis(rotAxisLength); // the axis
objTrans.addChild(rotAxis);
coordSys = new CoordSys(coordSysLength); // the coordSys
objTrans.addChild(coordSys);
BoundingSphere bounds = new BoundingSphere(new Point3d(), 100.0);
// The book used a white background for the figures
//Background bg = new Background(new Color3f(1.0f, 1.0f, 1.0f));
//bg.setApplicationBounds(bounds);
//objTrans.addChild(bg);
// Set up the ambient light
Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);
AmbientLight ambientLightNode = new AmbientLight(ambientColor);
ambientLightNode.setInfluencingBounds(bounds);
objRoot.addChild(ambientLightNode);
// Set up the directional lights
Color3f light1Color = new Color3f(1.0f, 1.0f, 1.0f);
Vector3f light1Direction = new Vector3f(0.0f, -0.2f, -1.0f);
DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
light1.setInfluencingBounds(bounds);
objRoot.addChild(light1);
return objRoot;
}
From source file:GearTest.java
public BranchGroup createSceneGraph(int toothCount) { // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); // Create a Transformgroup to scale all objects so they // appear in the scene. TransformGroup objScale = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(0.4);/*from ww w . j a v a 2 s . co m*/ objScale.setTransform(t3d); objRoot.addChild(objScale); // Create a bounds for the background and lights BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Set up the background Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f); Background bgNode = new Background(bgColor); bgNode.setApplicationBounds(bounds); objScale.addChild(bgNode); // Set up the global lights Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f); Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f); Color3f light2Color = new Color3f(0.3f, 0.3f, 0.4f); Vector3f light2Direction = new Vector3f(-6.0f, -2.0f, -1.0f); Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f); AmbientLight ambientLightNode = new AmbientLight(ambientColor); ambientLightNode.setInfluencingBounds(bounds); objScale.addChild(ambientLightNode); DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction); light1.setInfluencingBounds(bounds); objScale.addChild(light1); DirectionalLight light2 = new DirectionalLight(light2Color, light2Direction); light2.setInfluencingBounds(bounds); objScale.addChild(light2); // Create the transform group node and initialize it to the // identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. Add it to the // root of the subgraph. TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objScale.addChild(objTrans); // Create an Appearance. Appearance look = new Appearance(); Color3f objColor = new Color3f(0.5f, 0.5f, 0.6f); Color3f black = new Color3f(0.0f, 0.0f, 0.0f); Color3f white = new Color3f(1.0f, 1.0f, 1.0f); look.setMaterial(new Material(objColor, black, objColor, white, 100.0f)); // Create a gear, add it to the scene graph. // SpurGear gear = new SpurGear(toothCount, 1.0f, 0.2f, SpurGear gear = new SpurGearThinBody(toothCount, 1.0f, 0.2f, 0.05f, 0.05f, 0.3f, 0.28f, look); objTrans.addChild(gear); // Create a new Behavior object that will rotate the object and // add it into the scene graph. Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 8000, 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); // Have Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:MouseNavigateTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); // note that we are creating a TG *above* the TG // the is being controlled by the mouse behaviors. // The SUN mouse translate behavior would fail in this // instance as all movement would be in the X-Y plane // irrespective of any TG above the object. // The TornadoMouseTranslate behavior always moves an object // parrallel to the image plane TransformGroup objTrans1 = new TransformGroup(); Transform3D t3d = new Transform3D(); objTrans1.getTransform(t3d);//from w w w . j a v a2 s. co m t3d.setEuler(new Vector3d(0.9, 0.8, 0.3)); objTrans1.setTransform(t3d); TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); // create the mouse scale behavior and set limits TornadoMouseScale mouseScale = new TornadoMouseScale(5, 0.1f); mouseScale.setMinScale(new Point3d(0.5, 0.5, 0.5)); mouseScale.setMaxScale(new Point3d(2, 2, 2)); mouseScale.setObject(objTrans); mouseScale.setChangeListener(this); mouseScale.setSchedulingBounds(getApplicationBounds()); objTrans.addChild(mouseScale); // create the mouse rotate behavior TornadoMouseRotate mouseRotate = new TornadoMouseRotate(0.001, 0.001); mouseRotate.setInvert(true); mouseRotate.setObject(objTrans); mouseRotate.setChangeListener(this); mouseRotate.setSchedulingBounds(getApplicationBounds()); objTrans.addChild(mouseRotate); // create the mouse translate behavior and set limits TornadoMouseTranslate mouseTrans = new TornadoMouseTranslate(0.005f); mouseTrans.setObject(objTrans); mouseTrans.setChangeListener(this); mouseTrans.setMinTranslate(new Point3d(-4, -4, -4)); mouseTrans.setMaxTranslate(new Point3d(4, 4, 4)); mouseTrans.setSchedulingBounds(getApplicationBounds()); objTrans.addChild(mouseTrans); objTrans.addChild(new ColorCube(0.5)); // create some axis for the world to show it has been rotated ColorCube axis = new ColorCube(5.0); Appearance app = new Appearance(); app.setPolygonAttributes( new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_NONE, 0)); axis.setAppearance(app); objTrans1.addChild(axis); objTrans1.addChild(objTrans); objRoot.addChild(objTrans1); return objRoot; }
From source file:GearTest.java
public BranchGroup createGearBox(int toothCount) { Transform3D tempTransform = new Transform3D(); // Create the root of the branch graph BranchGroup branchRoot = createBranchEnvironment(); // Create a Transformgroup to scale all objects so they // appear in the scene. TransformGroup objScale = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(0.4);/*from ww w . j a v a 2s . c o m*/ objScale.setTransform(t3d); branchRoot.addChild(objScale); // Create an Appearance. Appearance look = new Appearance(); Color3f objColor = new Color3f(0.5f, 0.5f, 0.6f); Color3f black = new Color3f(0.0f, 0.0f, 0.0f); Color3f white = new Color3f(1.0f, 1.0f, 1.0f); look.setMaterial(new Material(objColor, black, objColor, white, 100.0f)); // Create the transform group node and initialize it to the // identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. Add it to the // root of the subgraph. TransformGroup gearboxTrans = new TransformGroup(); gearboxTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); gearboxTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); objScale.addChild(gearboxTrans); // Create a bounds for the mouse behavior methods BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Define the shaft base information int shaftCount = 4; int secondsPerRevolution = 8000; // Create the Shaft(s) Shaft shafts[] = new Shaft[shaftCount]; TransformGroup shaftTGs[] = new TransformGroup[shaftCount]; Alpha shaftAlphas[] = new Alpha[shaftCount]; RotationInterpolator shaftRotors[] = new RotationInterpolator[shaftCount]; Transform3D shaftAxis[] = new Transform3D[shaftCount]; // Note: the following arrays we're incorporated to make changing // the gearbox easier. float shaftRatios[] = new float[shaftCount]; shaftRatios[0] = 1.0f; shaftRatios[1] = 0.5f; shaftRatios[2] = 0.75f; shaftRatios[3] = 5.0f; float shaftRadius[] = new float[shaftCount]; shaftRadius[0] = 0.2f; shaftRadius[1] = 0.2f; shaftRadius[2] = 0.2f; shaftRadius[3] = 0.2f; float shaftLength[] = new float[shaftCount]; shaftLength[0] = 1.8f; shaftLength[1] = 0.8f; shaftLength[2] = 0.8f; shaftLength[3] = 0.8f; float shaftDirection[] = new float[shaftCount]; shaftDirection[0] = 1.0f; shaftDirection[1] = -1.0f; shaftDirection[2] = 1.0f; shaftDirection[3] = -1.0f; Vector3d shaftPlacement[] = new Vector3d[shaftCount]; shaftPlacement[0] = new Vector3d(-0.75, -0.9, 0.0); shaftPlacement[1] = new Vector3d(0.75, -0.9, 0.0); shaftPlacement[2] = new Vector3d(0.75, 0.35, 0.0); shaftPlacement[3] = new Vector3d(-0.75, 0.60, -0.7); // Create the shafts. for (int i = 0; i < shaftCount; i++) { shafts[i] = new Shaft(shaftRadius[i], shaftLength[i], 25, look); } // Create a transform group node for placing each shaft for (int i = 0; i < shaftCount; i++) { shaftTGs[i] = new TransformGroup(); gearboxTrans.addChild(shaftTGs[i]); shaftTGs[i].getTransform(tempTransform); tempTransform.setTranslation(shaftPlacement[i]); shaftTGs[i].setTransform(tempTransform); shaftTGs[i].addChild(shafts[i]); } // Add rotation interpolators to rotate the shaft in the appropriate // direction and at the appropriate rate for (int i = 0; i < shaftCount; i++) { shaftAlphas[i] = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, (long) (secondsPerRevolution * shaftRatios[i]), 0, 0, 0, 0, 0); shaftAxis[i] = new Transform3D(); shaftAxis[i].rotX(Math.PI / 2.0); shaftRotors[i] = new RotationInterpolator(shaftAlphas[i], shafts[i], shaftAxis[i], 0.0f, shaftDirection[i] * (float) Math.PI * 2.0f); shaftRotors[i].setSchedulingBounds(bounds); shaftTGs[i].addChild(shaftRotors[i]); } // Define the gear base information. Again, these arrays exist to // make the process of changing the GearBox via an editor faster int gearCount = 5; float valleyToCircularPitchRatio = .15f; float pitchCircleRadius = 1.0f; float addendum = 0.05f; float dedendum = 0.05f; float gearThickness = 0.3f; float toothTipThickness = 0.27f; // Create an array of gears and their associated information SpurGear gears[] = new SpurGear[gearCount]; TransformGroup gearTGs[] = new TransformGroup[gearCount]; int gearShaft[] = new int[gearCount]; gearShaft[0] = 0; gearShaft[1] = 1; gearShaft[2] = 2; gearShaft[3] = 0; gearShaft[4] = 3; float ratio[] = new float[gearCount]; ratio[0] = 1.0f; ratio[1] = 0.5f; ratio[2] = 0.75f; ratio[3] = 0.25f; ratio[4] = 1.25f; Vector3d placement[] = new Vector3d[gearCount]; placement[0] = new Vector3d(0.0, 0.0, 0.0); placement[1] = new Vector3d(0.0, 0.0, 0.0); placement[2] = new Vector3d(0.0, 0.0, 0.0); placement[3] = new Vector3d(0.0, 0.0, -0.7); placement[4] = new Vector3d(0.0, 0.0, 0.0); // Create the gears. for (int i = 0; i < gearCount; i++) { gears[i] = new SpurGearThinBody(((int) ((float) toothCount * ratio[i])), pitchCircleRadius * ratio[i], shaftRadius[0], addendum, dedendum, gearThickness, toothTipThickness, valleyToCircularPitchRatio, look); } // Create a transform group node for arranging the gears on a shaft // and attach the gear to its associated shaft for (int i = 0; i < gearCount; i++) { gearTGs[i] = new TransformGroup(); gearTGs[i].getTransform(tempTransform); tempTransform .rotZ((shaftDirection[gearShaft[i]] == -1.0) ? gears[i].getCircularPitchAngle() / -2.0f : 0.0f); tempTransform.setTranslation(placement[i]); gearTGs[i].setTransform(tempTransform); gearTGs[i].addChild(gears[i]); shafts[gearShaft[i]].addChild(gearTGs[i]); } // Have Java 3D perform optimizations on this scene graph. branchRoot.compile(); return branchRoot; }
From source file:KeyNavigateTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); createMap(objTrans);/*w ww. jav a 2 s. c om*/ createFloor(objTrans); createCeiling(objTrans); objRoot.addChild(objTrans); return objRoot; }
From source file:PickTest.java
private Group createObject(int index, double scale, double xpos, double ypos) { Shape3D shape = null;//from w w w .j a v a 2 s.c om Geometry geom = null; // Create a transform group node to scale and position the object. Transform3D t = new Transform3D(); t.set(scale, new Vector3d(xpos, ypos, 0.0)); TransformGroup objTrans = new TransformGroup(t); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); objTrans.setCapability(TransformGroup.ENABLE_PICK_REPORTING); // Create a second transform group node and initialize it to the // identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. TransformGroup spinTg = new TransformGroup(); spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); spinTg.setCapability(TransformGroup.ENABLE_PICK_REPORTING); Appearance appearance = new Appearance(); switch (index) { case 0: geom = new GullCG(); break; case 1: geom = new TetrahedronTA(); break; case 2: geom = new OctahedronTFA(); break; case 3: geom = new IcosahedronTSA(); break; case 4: geom = new CubeIQA(); break; case 5: geom = new TetrahedronITA(); break; case 6: geom = new OctahedronITFA(); break; case 7: geom = new IcosahedronITSA(); break; case 8: geomMorph[0] = new ColorPyramidUp(); geomMorph[1] = new ColorCube(); geomMorph[2] = new ColorPyramidDown(); break; case 9: geom = new TetrahedronLA(); break; case 10: geom = new TetrahedronILA(); break; case 11: geom = new TetrahedronLSA(); break; case 12: geom = new TetrahedronILSA(); break; case 13: geom = new TetrahedronPA(); break; case 14: geom = new TetrahedronIPA(); break; // TODO: other geo types, Text3D? case 15: geom = new TetrahedronTA(); break; } Material m = new Material(); if (index == 8) { m.setLightingEnable(false); appearance.setMaterial(m); morph = new Morph((GeometryArray[]) geomMorph, appearance); morph.setCapability(Morph.ALLOW_WEIGHTS_READ); morph.setCapability(Morph.ALLOW_WEIGHTS_WRITE); PickTool.setCapabilities(morph, PickTool.INTERSECT_FULL); spinTg.addChild(morph); } else { // Geometry picking require this to be set. if (index == 0) m.setLightingEnable(true); else m.setLightingEnable(false); appearance.setMaterial(m); if ((index == 13) || (index == 14)) { PointAttributes pa = new PointAttributes(); pa.setPointSize(4.0f); appearance.setPointAttributes(pa); } shape = new Shape3D(geom, appearance); shape.setCapability(Shape3D.ALLOW_APPEARANCE_READ); shape.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE); shape.setCapability(Shape3D.ENABLE_PICK_REPORTING); PickTool.setCapabilities(shape, PickTool.INTERSECT_FULL); spinTg.addChild(shape); } // add it to the scene graph. objTrans.addChild(spinTg); return objTrans; }
From source file:AppearanceTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); TransformGroup zoomTg = new TransformGroup(); zoomTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); zoomTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); // attach a navigation behavior to the position of the viewer KeyNavigatorBehavior key = new KeyNavigatorBehavior(zoomTg); key.setSchedulingBounds(createApplicationBounds()); key.setEnable(true);/*from www. j a v a 2s .c o m*/ objRoot.addChild(key); // create a TransformGroup to flip the hand onto its end and enlarge it. TransformGroup objTrans1 = new TransformGroup(); Transform3D tr = new Transform3D(); objTrans1.getTransform(tr); tr.setEuler(new Vector3d(0.5 * Math.PI, 0.6, 0)); objTrans1.setTransform(tr); // Set up the global lights Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f); Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f); Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); AmbientLight aLgt = new AmbientLight(alColor); aLgt.setInfluencingBounds(getApplicationBounds()); DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1); lgt1.setInfluencingBounds(getApplicationBounds()); objRoot.addChild(aLgt); objRoot.addChild(lgt1); int nScale = 50; Box box = new Box(nScale, nScale, nScale, Primitive.GENERATE_NORMALS | Primitive.GENERATE_TEXTURE_COORDS, m_Appearance); Shape3D frontFace = box.getShape(Box.LEFT); // create a new left face so we can // assign per-vertex colors GeometryArray geometry = new QuadArray(4, GeometryArray.COORDINATES | GeometryArray.NORMALS | GeometryArray.COLOR_4 | GeometryArray.TEXTURE_COORDINATE_2); nScale = 40; final float[] verts = { // left face -1.0f * nScale, -1.0f * nScale, 1.0f * nScale, -1.0f * nScale, 1.0f * nScale, 1.0f * nScale, -1.0f * nScale, 1.0f * nScale, -1.0f * nScale, -1.0f * nScale, -1.0f * nScale, -1.0f * nScale }; final float[] colors = { // left face 1, 0, 0, 0, 0, 1, 0, 0.2f, 0, 0, 1, 0.8f, 0, 0, 0, 1, }; float[] tcoords = { // left 1, 0, 1, 1, 0, 1, 0, 0 }; Vector3f normalVector = new Vector3f(-1.0f, 0.0f, 0.0f); geometry.setColors(0, colors, 0, 4); for (int n = 0; n < 4; n++) geometry.setNormal(n, normalVector); geometry.setTextureCoordinates(0, tcoords, 0, 4); geometry.setCoordinates(0, verts); frontFace.setGeometry(geometry); // connect the scenegraph objTrans1.addChild(box); zoomTg.addChild(objTrans1); objRoot.addChild(zoomTg); return objRoot; }
From source file:ExAppearance.java
private Group createObject(Appearance app, double scale, double xpos, double ypos) { // Create a transform group node to scale and position the object. Transform3D t = new Transform3D(); t.set(scale, new Vector3d(xpos, ypos, 0.0)); TransformGroup objTrans = new TransformGroup(t); // Create a second transform group node and initialize it to the // identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. TransformGroup spinTg = new TransformGroup(); spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // Create a simple shape leaf node and set the appearance Shape3D shape = new Tetrahedron(); shape.setAppearance(app);//from w ww . j a va2 s . c om // add it to the scene graph. spinTg.addChild(shape); // Create a new Behavior object that will perform the desired // operation on the specified transform object and add it into // the scene graph. Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 5000, 0, 0, 0, 0, 0); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, spinTg, yAxis, 0.0f, (float) Math.PI * 2.0f); BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); rotator.setSchedulingBounds(bounds); // Add the behavior and the transform group to the object objTrans.addChild(rotator); objTrans.addChild(spinTg); return objTrans; }
From source file:SplineInterpolatorTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); // create a root TG in case we need to scale the scene TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); Transform3D t3d = new Transform3D(); objTrans.setTransform(t3d);/*from w ww. j a v a 2 s . c o m*/ Group hiResGroup = createLodLand(objTrans); createBuildings(objTrans); createHelicopters(objTrans); // connect objRoot.addChild(objTrans); return objRoot; }
From source file:ExSound.java
private Group buildTumblingBox(float width, float height, float depth, Appearance app, int xDur, int yDur, int zDur) { BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center 1000.0); // Extent // Build a box to tumble Shape3D box = buildBox(width, height, depth, app); // Build a set of nested transform groups. Attach // to each one a behavior that rotates around an X, // Y, or Z axis. Use different rotation speeds for // each axis to create a tumbling effect. TransformGroup outerGroup = new TransformGroup(); outerGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D yAxis = new Transform3D(); Alpha alpha = new Alpha(-1, // loop count: -1 = forever Alpha.INCREASING_ENABLE, // increasing 0, // trigger time: 0 = now 0, // delay: 0 = none xDur, // increasing duration 0, // increasing ramp duration 0, // at one (sustain) duration 0, // decreasing duration 0, // decreasing ramp duration 0); // at zero duration RotationInterpolator rot = new RotationInterpolator(alpha, // Alpha // control outerGroup, // Target transform group yAxis, // Y axis rotation 0.0f, // Minimum angle 2.0f * (float) Math.PI);// Maximum angle rot.setSchedulingBounds(worldBounds); outerGroup.addChild(rot);//from ww w . j a va2s .c o m TransformGroup middleGroup = new TransformGroup(); middleGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D xAxis = new Transform3D(); xAxis.rotZ(-1.571f); alpha = new Alpha(-1, // loop count: -1 = forever Alpha.INCREASING_ENABLE, // increasing 0, // trigger time: 0 = now 0, // delay: 0 = none yDur, // increasing duration 0, // increasing ramp duration 0, // at one (sustain) duration 0, // decreasing duration 0, // decreasing ramp duration 0); // at zero duration rot = new RotationInterpolator(alpha, // Alpha control middleGroup, // Target transform group xAxis, // Y axis rotation 0.0f, // Minimum angle 2.0f * (float) Math.PI);// Maximum angle rot.setSchedulingBounds(worldBounds); middleGroup.addChild(rot); outerGroup.addChild(middleGroup); TransformGroup innerGroup = new TransformGroup(); innerGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D zAxis = new Transform3D(); zAxis.rotX(1.571f); alpha = new Alpha(-1, // loop count: -1 = forever Alpha.INCREASING_ENABLE, // increasing 0, // trigger time: 0 = now 0, // delay: 0 = none zDur, // increasing duration 0, // increasing ramp duration 0, // at one (sustain) duration 0, // decreasing duration 0, // decreasing ramp duration 0); // at zero duration rot = new RotationInterpolator(alpha, // Alpha control innerGroup, // Target transform group zAxis, // Y axis rotation 0.0f, // Minimum angle 2.0f * (float) Math.PI);// Maximum angle rot.setSchedulingBounds(worldBounds); innerGroup.addChild(rot); middleGroup.addChild(innerGroup); innerGroup.addChild(box); return outerGroup; }