How can two object have tow behaivors?

Question

I have added 2 objects by using object loder, then i want to give these objects some behaivors . I did add transform , zoon in and zoon out. However , when i move one object , the other one is following to move .
is there any idea can seperate them . i mean if i use mouse to move one object , then just this object move. when i move another object , just that one move . Thank you so much for ur help .
regards
jojo

Answer 1

*     @(#)SphereMotion.java 1.38 02/10/21 13:55:06
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import java.applet.Applet;
import java.awt.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.Sphere;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import java.util.Enumeration;
public class SphereMotion extends Applet {
// Constants for type of light to use
private static final int DIRECTIONAL_LIGHT = 0;
private static final int POINT_LIGHT = 1;
private static final int SPOT_LIGHT = 2;
// Flag indicates type of lights: directional, point, or spot
// lights. This flag is set based on command line argument
private static int lightType = POINT_LIGHT;
private SimpleUniverse u = null;
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;
     // 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;
public SphereMotion() {
public void init() {
     setLayout(new BorderLayout());
GraphicsConfiguration config =
SimpleUniverse.getPreferredConfiguration();
Canvas3D c = new Canvas3D(config);
     add("Center", c);
     u = new SimpleUniverse(c);
     BranchGroup scene = createSceneGraph(u);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
     u.addBranchGraph(scene);
public void destroy() {
     u.cleanup();
// The following allows SphereMotion to be run as an application
// as well as an applet
public static void main(String[] args) {
// Parse the Input Arguments
     String usage = "Usage: java SphereMotion [-point | -spot | -dir]";
for (int i = 0; i < args.length; i++) {
if (args.startsWith("-")) {
if (args[i].equals("-point")) {
          System.out.println("Using point lights");
lightType = POINT_LIGHT;
          else if (args[i].equals("-spot")) {
          System.out.println("Using spot lights");
lightType = SPOT_LIGHT;
          else if (args[i].equals("-dir")) {
          System.out.println("Using directional lights");
lightType = DIRECTIONAL_LIGHT;
          else {
          System.out.println(usage);
System.exit(0);
     else {
          System.out.println(usage);
          System.exit(0);
     new MainFrame(new SphereMotion(), 700, 700);