Tugas 8 (Gambar / Objek 3 Dimensi) Dengan Java

Source code  Nya  


import javax.vecmath.*;
import java.awt.*;
import java.awt.event.*;
import javax.media.j3d.*;
import com.sun.j3d.utils.universe.*;
 import com.sun.j3d.utils.geometry.*;
//________________________________________
import java.applet.*;
  import com.sun.j3d.utils.applet.MainFrame;

  public class Logo extends Applet {
    public static void main(String[] args) {
      new MainFrame(new Logo(), 640, 480);
    }

    public void init() {
      // create canvas
      GraphicsConfiguration gc =
        SimpleUniverse.getPreferredConfiguration();
      Canvas3D cv = new Canvas3D(gc);
      setLayout(new BorderLayout());
      add(cv, BorderLayout.CENTER);
      BranchGroup bg = createSceneGraph();
      bg.compile();
      SimpleUniverse su = new SimpleUniverse(cv);
      su.getViewingPlatform().setNominalViewingTransform();
      su.addBranchGraph(bg);
    }

    private BranchGroup createSceneGraph() {
      BranchGroup root = new BranchGroup();
      TransformGroup spin = new TransformGroup();
      spin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
      root.addChild(spin);

      Transform3D tr = new Transform3D();
      tr.setScale(0.9);
      tr.setRotation(new AxisAngle4d(1, 0, 0, Math.PI/2));
      TransformGroup tg = new TransformGroup(tr);
      spin.addChild(tg);
      // torus
      Shape3D torus = new Torus(0.04, 0.6);
      Appearance ap = new Appearance();
      ap.setMaterial(new Material());
      torus.setAppearance(ap);
      tg.addChild(torus);
      // shared group of 4 arrows
      SharedGroup sg = new SharedGroup();
      Shape3D arrow;
      Transform3D tra;
      TransformGroup tga;
      for (int i = 0; i < 4; i++) {
        arrow = new Shape3D(new Arrow(), ap);
        tra = new Transform3D();
        tra.setRotation(new AxisAngle4d(0, 0, 1, i*Math.PI/2));
        tga = new TransformGroup(tra);
        sg.addChild(tga);
       tga.addChild(arrow);
      }
      // four links to shared group
      Link link = new Link();
      link.setSharedGroup(sg);
      tr = new Transform3D();
      tr.setScale(0.675);
      tg = new TransformGroup(tr);
      tg.addChild(link);
      spin.addChild(tg);

//______________________________________
     link = new Link();
     link.setSharedGroup(sg);
     tr = new Transform3D();
     tr.setScale(0.55);
     tr.setRotation(new AxisAngle4d(0, 0, 1, Math.PI/4));
     tg = new TransformGroup(tr);
     tg.addChild(link);
     spin.addChild(tg);

     link = new Link();
     link.setSharedGroup(sg);
     tr = new Transform3D();
     tr.setScale(0.4);
     tr.setRotation(new AxisAngle4d(0, 0, 1, Math.PI/8));
     tg = new TransformGroup(tr);
     tg.addChild(link);
     spin.addChild(tg);

     link = new Link();
     link.setSharedGroup(sg);
     tr = new Transform3D();
     tr.setScale(0.4);
     tr.setRotation(new AxisAngle4d(0, 0, 1, 3*Math.PI/8));
     tg = new TransformGroup(tr);
     tg.addChild(link);
     spin.addChild(tg);
     // rotation
    
     Alpha alpha = new Alpha(-1, 80000);
     RotationInterpolator rotator =
     new RotationInterpolator(alpha, spin);
     BoundingSphere bounds = new BoundingSphere();
    
     rotator.setSchedulingBounds(bounds);
     spin.addChild(rotator);
     // background and lights
     Background background = new Background(1.0f, 1.0f, 1.0f);
     background.setApplicationBounds(bounds);
     root.addChild(background);
     AmbientLight light = new AmbientLight
       (true, new Color3f(Color.red));
     light.setInfluencingBounds(bounds);
     root.addChild(light);
     PointLight ptlight = new PointLight(new Color3f(Color.white),
     new Point3f(2f,2f,2f), new Point3f(1f,0f,0f));
     ptlight.setInfluencingBounds(bounds);
     root.addChild(ptlight);
     return root;
   }
}



OUTPUT  Nya   kayak  gini

1.  Tampak depan

2.  Tampak samping