Source Code : Stereo Girl

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Stereo Girl

// //Copyright 2001 Resplendent Technology Ltd. greg@resplendent.com

import java.applet.Applet;
import java.awt.FlowLayout;
import java.awt.GraphicsConfiguration;
import java.net.URL;

import javax.media.j3d.AmbientLight;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.DirectionalLight;
import javax.media.j3d.PhysicalBody;
import javax.media.j3d.Transform3D;
import javax.media.j3d.TransformGroup;
import javax.media.j3d.View;
import javax.vecmath.Color3f;
import javax.vecmath.Point3d;
import javax.vecmath.Vector3f;

import com.sun.j3d.loaders.Scene;
import com.sun.j3d.loaders.objectfile.ObjectFile;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.behaviors.keyboard.KeyNavigatorBehavior;
import com.sun.j3d.utils.behaviors.mouse.MouseRotate;
import com.sun.j3d.utils.behaviors.mouse.MouseTranslate;
import com.sun.j3d.utils.universe.SimpleUniverse;

public class StereoGirl extends Applet {

  private Canvas3D c1 = new Canvas3D(SimpleUniverse
      .getPreferredConfiguration());

  private Canvas3D c2 = new Canvas3D(SimpleUniverse
      .getPreferredConfiguration());

  private static MainFrame mf;

  private SimpleUniverse u = null;

  private BranchGroup scene = null;

  private String URLString = "http://216.250.225.154/renee.obj";

  public void init() {
    setLayout(new FlowLayout());
    GraphicsConfiguration config = SimpleUniverse
        .getPreferredConfiguration();
    String v = getParameter("url");
    if (v != null) {
      URLString = v;
    }
    c1.setSize(140, 140);
    c1.setMonoscopicViewPolicy(View.LEFT_EYE_VIEW);
    add(c1);

    c2.setSize(140, 140);
    c2.setMonoscopicViewPolicy(View.RIGHT_EYE_VIEW);
    add(c2);

    // Create a simple scene and attach it to the virtual universe
    scene = createSceneGraph(0);
    u = new SimpleUniverse(c1);

    View view0 = u.getViewer().getView();
    View view = new View();
    PhysicalBody myBod = view0.getPhysicalBody();
    myBod.setLeftEyePosition(new Point3d(-.006, 0.0, 0.0)); // default
                                // is(-0.033,
                                // 0.0, 0.0)
    myBod.setRightEyePosition(new Point3d(+.006, 0.0, 0.0));
    view.setPhysicalBody(myBod);
    view.setPhysicalEnvironment(view0.getPhysicalEnvironment());
    view.attachViewPlatform(u.getViewingPlatform().getViewPlatform());
    view.addCanvas3D(c2);

    // This will move the ViewPlatform back a bit so the
    // objects in the scene can be viewed.
    u.getViewingPlatform().setNominalViewingTransform();
    u.addBranchGraph(scene);

  }

  public BranchGroup createSceneGraph(int i) {
    System.out.println("Creating scene for: " + URLString);
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();
    try {

      Transform3D myTransform3D = new Transform3D();
      myTransform3D.setTranslation(new Vector3f(+0.0f, -0.1f, -1.2f));
      TransformGroup objTrans = new TransformGroup(myTransform3D);
      objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
      Transform3D t = new Transform3D();
      TransformGroup tg = new TransformGroup(t);
      tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
      tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
      objTrans.addChild(tg);

      URL url = new URL(URLString);
      ObjectFile f = new ObjectFile();
      f.setFlags(ObjectFile.RESIZE | ObjectFile.TRIANGULATE
          | ObjectFile.STRIPIFY);
      System.out.println("About to load");
      Scene s = f.load(url);
      tg.addChild(s.getSceneGroup());
      System.out.println("Finished Loading");
      BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0,
          0.0), 100.0);
      Color3f light1Color = new Color3f(.9f, 0.8f, 0.8f);
      Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
      DirectionalLight light1 = new DirectionalLight(light1Color,
          light1Direction);
      light1.setInfluencingBounds(bounds);
      objTrans.addChild(light1);
      // Set up the ambient light
      Color3f ambientColor = new Color3f(1.0f, .4f, 0.3f);
      AmbientLight ambientLightNode = new AmbientLight(ambientColor);
      ambientLightNode.setInfluencingBounds(bounds);
      objTrans.addChild(ambientLightNode);

      MouseRotate behavior = new MouseRotate();
      behavior.setTransformGroup(tg);
      objTrans.addChild(behavior);
      // Create the translate behavior node
      MouseTranslate behavior3 = new MouseTranslate();
      behavior3.setTransformGroup(tg);
      objTrans.addChild(behavior3);
      behavior3.setSchedulingBounds(bounds);

      KeyNavigatorBehavior keyNavBeh = new KeyNavigatorBehavior(tg);
      keyNavBeh.setSchedulingBounds(new BoundingSphere(new Point3d(),
          1000.0));
      objTrans.addChild(keyNavBeh);

      behavior.setSchedulingBounds(bounds);
      objRoot.addChild(objTrans);
    } catch (Throwable t) {
      System.out.println("Error: " + t);
    }
    return objRoot;
  }

  public StereoGirl() {
  }

  public void destroy() {
    u.removeAllLocales();
  }

  public static void main(String[] args) {

    StereoGirl s = new StereoGirl();
    if (args.length > 0) {
      s.URLString = args[0];
    }
    mf = new MainFrame(s, 400, 200);
  }
}

           
       

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