List of usage examples for javax.media.j3d Alpha Alpha
public Alpha(int loopCount, int mode, long triggerTime, long phaseDelayDuration, long increasingAlphaDuration, long increasingAlphaRampDuration, long alphaAtOneDuration, long decreasingAlphaDuration, long decreasingAlphaRampDuration, long alphaAtZeroDuration)
From source file:ScenegraphTest.java
private TransformGroup addLimb(Group parentGroup, String szName, double radius, double length, double rotMin, double rotMax) { // create the rotator TransformGroup tgJoint = new TransformGroup(); tgJoint.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); tgJoint.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); // add a rotator if necessary if (rotMin != rotMax) { Transform3D xAxis = new Transform3D(); xAxis.rotX(Math.PI / 2.0); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, tgJoint, xAxis, (float) rotMin, (float) rotMax); rotator.setSchedulingBounds(createApplicationBounds()); tgJoint.addChild(rotator);/*ww w . ja v a 2 s . c o m*/ } // create a cylinder using length and radius tgJoint.addChild(createLimb(radius, length)); // create the joint (the *next* TG should // be offset by the length of this limb) TransformGroup tgOffset = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setTranslation(new Vector3d(0, length, 0)); tgOffset.setTransform(t3d); tgJoint.addChild(tgOffset); parentGroup.addChild(tgJoint); // return the offset TG, so any child TG's will be added // in the correct position. return tgOffset; }
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 .ja v a 2 s . c om*/ 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:PolygonOffset.java
public BranchGroup createSceneGraph() { // Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); // 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); objRoot.addChild(objTrans);// ww w . j a va 2s.c om // Create a Sphere. We will display this as both wireframe and // solid to make a hidden line display // wireframe Appearance wireApp = new Appearance(); ColoringAttributes wireCa = new ColoringAttributes(); wireCa.setColor(black); wireApp.setColoringAttributes(wireCa); wirePa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_BACK, 0.0f); wireApp.setPolygonAttributes(wirePa); Sphere outWireSphere = new Sphere(sphereRadius, 0, 15, wireApp); objTrans.addChild(outWireSphere); // solid ColoringAttributes outCa = new ColoringAttributes(red, ColoringAttributes.SHADE_FLAT); Appearance outSolid = new Appearance(); outSolid.setColoringAttributes(outCa); solidPa = new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_BACK, 0.0f); solidPa.setPolygonOffsetFactor(dynamicOffset); solidPa.setPolygonOffset(staticOffset); solidPa.setCapability(PolygonAttributes.ALLOW_OFFSET_WRITE); outSolid.setPolygonAttributes(solidPa); Sphere outSolidSphere = new Sphere(sphereRadius, 0, 15, outSolid); objTrans.addChild(outSolidSphere); innerTG = new TransformGroup(); innerTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); scale = new Transform3D(); updateInnerScale(); objTrans.addChild(innerTG); // Create a smaller sphere to go inside. This sphere has a different // tesselation and color Sphere inWireSphere = new Sphere(sphereRadius, 0, 10, wireApp); innerTG.addChild(inWireSphere); // inside solid ColoringAttributes inCa = new ColoringAttributes(blue, ColoringAttributes.SHADE_FLAT); Appearance inSolid = new Appearance(); inSolid.setColoringAttributes(inCa); inSolid.setPolygonAttributes(solidPa); Sphere inSolidSphere = new Sphere(sphereRadius, 0, 10, inSolid); innerTG.addChild(inSolidSphere); // Create a new Behavior object that will perform the desired // operation on the specified transform object and add it into // the scene graph. AxisAngle4f axisAngle = new AxisAngle4f(0.0f, 0.0f, 1.0f, -(float) Math.PI / 2.0f); Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 80000, 0, 0, 0, 0, 0); RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, 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); objTrans.addChild(rotator); // set up a white background Background bgWhite = new Background(new Color3f(1.0f, 1.0f, 1.0f)); bgWhite.setApplicationBounds(bounds); objTrans.addChild(bgWhite); // Have Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:AvatarTest.java
public TransformGroup addBehaviors(Group bgRoot) { // 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); Transform3D zAxis = new Transform3D(); zAxis.rotY(Math.toRadians(90.0)); Alpha zoomAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 20000, 0, 0, 0, 0, 0); PositionInterpolator posInt = new PositionInterpolator(zoomAlpha, objTrans, zAxis, 0, -160); posInt.setSchedulingBounds(getBoundingSphere()); objTrans.addChild(posInt);//from w w w. j a va 2 s . co m bgRoot.addChild(objTrans); return objTrans; }
From source file:SphereMotion.java
public BranchGroup createSceneGraph(SimpleUniverse u) { Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f); Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f); Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f); Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f); Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f); Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f); Transform3D t;//from w w w .ja va 2s. com // 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); 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 Background bg = new Background(bgColor); bg.setApplicationBounds(bounds); objScale.addChild(bg); // Create a Sphere object, generate one copy of the sphere, // and add it into the scene graph. Material m = new Material(objColor, eColor, objColor, sColor, 100.0f); Appearance a = new Appearance(); m.setLightingEnable(true); a.setMaterial(m); Sphere sph = new Sphere(1.0f, Sphere.GENERATE_NORMALS, 80, a); objScale.addChild(sph); // Create the transform group node for the each light and initialize // it to the identity. Enable the TRANSFORM_WRITE capability so that // our behavior code can modify it at runtime. Add them to the root // of the subgraph. TransformGroup l1RotTrans = new TransformGroup(); l1RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objScale.addChild(l1RotTrans); TransformGroup l2RotTrans = new TransformGroup(); l2RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objScale.addChild(l2RotTrans); // Create transformations for the positional lights t = new Transform3D(); Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0); t.set(lPos1); TransformGroup l1Trans = new TransformGroup(t); l1RotTrans.addChild(l1Trans); t = new Transform3D(); Vector3d lPos2 = new Vector3d(0.5, 0.8, 2.0); t.set(lPos2); TransformGroup l2Trans = new TransformGroup(t); l2RotTrans.addChild(l2Trans); // Create Geometry for point lights ColoringAttributes caL1 = new ColoringAttributes(); ColoringAttributes caL2 = new ColoringAttributes(); caL1.setColor(lColor1); caL2.setColor(lColor2); Appearance appL1 = new Appearance(); Appearance appL2 = new Appearance(); appL1.setColoringAttributes(caL1); appL2.setColoringAttributes(caL2); l1Trans.addChild(new Sphere(0.05f, appL1)); l2Trans.addChild(new Sphere(0.05f, appL2)); // Create lights AmbientLight aLgt = new AmbientLight(alColor); Light lgt1 = null; Light lgt2 = null; Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f); Point3f atten = new Point3f(1.0f, 0.0f, 0.0f); Vector3f lDirect1 = new Vector3f(lPos1); Vector3f lDirect2 = new Vector3f(lPos2); lDirect1.negate(); lDirect2.negate(); switch (lightType) { case DIRECTIONAL_LIGHT: lgt1 = new DirectionalLight(lColor1, lDirect1); lgt2 = new DirectionalLight(lColor2, lDirect2); break; case POINT_LIGHT: lgt1 = new PointLight(lColor1, lPoint, atten); lgt2 = new PointLight(lColor2, lPoint, atten); break; case SPOT_LIGHT: lgt1 = new SpotLight(lColor1, lPoint, atten, lDirect1, 25.0f * (float) Math.PI / 180.0f, 10.0f); lgt2 = new SpotLight(lColor2, lPoint, atten, lDirect2, 25.0f * (float) Math.PI / 180.0f, 10.0f); break; } // Set the influencing bounds aLgt.setInfluencingBounds(bounds); lgt1.setInfluencingBounds(bounds); lgt2.setInfluencingBounds(bounds); // Add the lights into the scene graph objScale.addChild(aLgt); l1Trans.addChild(lgt1); l2Trans.addChild(lgt2); // 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 rotor1Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); RotationInterpolator rotator1 = new RotationInterpolator(rotor1Alpha, l1RotTrans, yAxis, 0.0f, (float) Math.PI * 2.0f); rotator1.setSchedulingBounds(bounds); l1RotTrans.addChild(rotator1); // Create a new Behavior object that will perform the desired // operation on the specified transform object and add it into the // scene graph. Alpha rotor2Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 1000, 0, 0, 0, 0, 0); RotationInterpolator rotator2 = new RotationInterpolator(rotor2Alpha, l2RotTrans, yAxis, 0.0f, 0.0f); bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); rotator2.setSchedulingBounds(bounds); l2RotTrans.addChild(rotator2); // Create a position interpolator and attach it to the view // platform TransformGroup vpTrans = u.getViewingPlatform().getViewPlatformTransform(); Transform3D axisOfTranslation = new Transform3D(); Alpha transAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 5000, 0, 0, 5000, 0, 0); axisOfTranslation.rotY(-Math.PI / 2.0); PositionInterpolator translator = new PositionInterpolator(transAlpha, vpTrans, axisOfTranslation, 2.0f, 3.5f); translator.setSchedulingBounds(bounds); objScale.addChild(translator); // Let Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:PickTest.java
public BranchGroup createSceneGraph(Canvas3D canvas) { // 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(1.0);//from w w w .ja v a 2s . c o m objScale.setTransform(t3d); objRoot.addChild(objScale); // Create a bunch of objects with a behavior and add them // into the scene graph. int row, col; int numRows = 4, numCols = 4; for (int i = 0; i < numRows; i++) { double ypos = (double) (i - numRows / 2) * 0.45 + 0.25; for (int j = 0; j < numCols; j++) { double xpos = (double) (j - numCols / 2) * 0.45 + 0.25; objScale.addChild(createObject(i * numCols + j, 0.1, xpos, ypos)); } } BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // Add a light. Color3f lColor = new Color3f(1.0f, 1.0f, 1.0f); Vector3f lDir = new Vector3f(0.0f, 0.0f, -1.0f); DirectionalLight lgt = new DirectionalLight(lColor, lDir); lgt.setInfluencingBounds(bounds); objRoot.addChild(lgt); // Now create the Alpha object that controls the speed of the // morphing operation. Alpha morphAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 4000, 1000, 500, 4000, 1000, 500); // Finally, create the morphing behavior MorphingBehavior mBeh = new MorphingBehavior(morphAlpha, morph); mBeh.setSchedulingBounds(bounds); objRoot.addChild(mBeh); behavior1 = new PickRotateBehavior(objRoot, canvas, bounds); objRoot.addChild(behavior1); behavior2 = new PickZoomBehavior(objRoot, canvas, bounds); objRoot.addChild(behavior2); behavior3 = new PickTranslateBehavior(objRoot, canvas, bounds); objRoot.addChild(behavior3); // Let Java 3D perform optimizations on this scene graph. objRoot.compile(); return objRoot; }
From source file:TexCoordTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); TransformGroup objPosition = new TransformGroup(); objPosition.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); TransformGroup objRotate = new TransformGroup(); objRotate.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D axisTranslate = new Transform3D(); axisTranslate.rotZ(Math.toRadians(90)); Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 6000, 0, 0, 0, 0, 0); m_PositionInterpolator = new PositionInterpolator(rotationAlpha, objPosition, axisTranslate, 0, 70); m_PositionInterpolator.setSchedulingBounds(createApplicationBounds()); objPosition.addChild(m_PositionInterpolator); m_PositionInterpolator.setEnable(false); m_RotationInterpolator = new RotationInterpolator(rotationAlpha, objRotate, new Transform3D(), 0.0f, (float) Math.PI * 2.0f); m_RotationInterpolator.setSchedulingBounds(getApplicationBounds()); objRotate.addChild(m_RotationInterpolator); m_RotationInterpolator.setEnable(true); TransformGroup tgLand = new TransformGroup(); Transform3D t3dLand = new Transform3D(); t3dLand.setTranslation(new Vector3d(0, -30, 0)); tgLand.setTransform(t3dLand);// w w w .j ava2 s.c o m tgLand.addChild(createDemLandscape()); objRotate.addChild(tgLand); objPosition.addChild(objRotate); objRoot.addChild(objPosition); // create some lights for the scene Color3f lColor1 = new Color3f(0.3f, 0.3f, 0.3f); Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f); Color3f alColor = new Color3f(0.1f, 0.1f, 0.1f); AmbientLight aLgt = new AmbientLight(alColor); aLgt.setInfluencingBounds(getApplicationBounds()); DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1); lgt1.setInfluencingBounds(getApplicationBounds()); // add the lights to the parent BranchGroup objRoot.addChild(aLgt); objRoot.addChild(lgt1); return objRoot; }
From source file:ConicWorld.java
private Group createObject(int i, int j, 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); spinTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); Primitive obj = null;// ww w.ja v a 2s. com if (i % 3 == 2) { obj = (Primitive) new Sphere(1.0f, Sphere.GENERATE_NORMALS | Sphere.GENERATE_TEXTURE_COORDS, j * 8 + 4, app); } else if (i % 3 == 1) { obj = (Primitive) new Cylinder(1.0f, 2.0f, Cylinder.GENERATE_TEXTURE_COORDS | Cylinder.GENERATE_NORMALS, j * 8 + 4, j * 8 + 4, app); } else if (i % 3 == 0) { obj = (Primitive) new Cone(1.0f, 2.0f, Cone.GENERATE_NORMALS | Cone.GENERATE_TEXTURE_COORDS, j * 8 + 4, j * 8 + 4, app); } // add it to the scene graph. spinTg.addChild(obj); // 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:SimpleTest.java
public TransformGroup createBehaviors(BranchGroup bg) { // create a TransformGroup. ///*from www.j a va 2s . c o 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:AppearanceTest.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 www .j a v a 2 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; }