import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.event.*;
import java.awt.*;
import com.sun.j3d.utils.applet.MainFrame; 
import com.sun.j3d.utils.universe.*; 
import com.sun.j3d.utils.geometry.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.behaviors.keyboard.*;

//  FourObjects2.java

public class FourObjects2 extends Applet {

    TransformGroup vpTrans;

    public FourObjects2() {

	setLayout(new BorderLayout());
        Canvas3D canvas3D = new Canvas3D(null);
        add("Center", canvas3D);

	VirtualUniverse universe;
	Locale locale;
	
	universe = new VirtualUniverse();
	locale = new Locale(universe);
        
	BranchGroup viewBG = createView(canvas3D);
	locale.addBranchGraph(viewBG);

        BranchGroup contentBG= createContent();
        locale.addBranchGraph(contentBG);

    } 

	public BranchGroup createView(Canvas3D canvas3D){
        	BranchGroup vpRoot = new BranchGroup();
        	View view = new View();
        	PhysicalBody body = new PhysicalBody();
        	PhysicalEnvironment environment = new PhysicalEnvironment();
        	ViewPlatform vp = new ViewPlatform();

        	view.setPhysicalBody(body);
        	view.setPhysicalEnvironment(environment);
        	view.attachViewPlatform(vp);
        	view.addCanvas3D(canvas3D);

       		Transform3D t = new Transform3D();
        	t.set(new Vector3f(0.0f,0.0f,6.0f));
        	vpTrans = new TransformGroup(t);
        	vpRoot.addChild(vpTrans);
        	vpTrans.addChild(vp);
	
		vpTrans.setCapability(vpTrans.ALLOW_TRANSFORM_READ);
		vpTrans.setCapability(vpTrans.ALLOW_TRANSFORM_WRITE);
		vpTrans.setCapability(Group.ALLOW_CHILDREN_READ);
		vpTrans.setCapability(Group.ALLOW_CHILDREN_WRITE);
		vpTrans.setCapability(Group.ALLOW_CHILDREN_EXTEND);

        	vpRoot.addChild(new FPS());	// add frame per sec
        	return vpRoot;
    	}

      
     public BranchGroup createContent() {
	BranchGroup contentRoot = new BranchGroup();
        TransformGroup cube = createCube();
	contentRoot.addChild(cube);
	TransformGroup cone = createCone();
	contentRoot.addChild(cone);
        TransformGroup cylinder = createCylinder();
	contentRoot.addChild(cylinder);
	TransformGroup text = createText();
	contentRoot.addChild(text);

	KeyNavigatorBehavior keyNavBeh = new KeyNavigatorBehavior(vpTrans);
	keyNavBeh.setSchedulingBounds(new BoundingSphere(new Point3d(), 1000.0));
        contentRoot.addChild(keyNavBeh);
	return contentRoot;
    } 
  
    public TransformGroup createCube()  {
	Transform3D t = new Transform3D();
        t.set(new Vector3f(-1.0f,1.0f,0.0f));
	TransformGroup moveCube = new TransformGroup(t);
        
	TransformGroup objSpin = new TransformGroup();
        objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);  
        moveCube.addChild(objSpin);
        
	Alpha rotationAlpha = new Alpha(-1, 4000);
	RotationInterpolator rotator =
                 new RotationInterpolator(rotationAlpha, objSpin);
         BoundingSphere bounds = new BoundingSphere();
         rotator.setSchedulingBounds(bounds);
         objSpin.addChild(rotator);

        objSpin.addChild(new ColorCube(0.4));
        return moveCube;
    }

    public TransformGroup createCone()  {
	Transform3D t = new Transform3D();
        t.set(new Vector3f(1.0f,1.0f,0.0f));
	TransformGroup moveCone = new TransformGroup(t);
        
	TransformGroup objSpin = new TransformGroup();
        objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);  
        moveCone.addChild(objSpin);
	
	Transform3D rotate = new Transform3D();
	Transform3D tempRotate = new Transform3D();

        rotate.rotX(Math.PI/3.0d);
	tempRotate.rotY(Math.PI/6.0d);
        rotate.mul(tempRotate);
        
	Alpha rotationAlpha = new Alpha(-1, 8000);
	RotationInterpolator rotator =
                 new RotationInterpolator(rotationAlpha, objSpin, rotate, 0.0f ,(float)(2*Math.PI));
         BoundingSphere bounds = new BoundingSphere();
         rotator.setSchedulingBounds(bounds);
         objSpin.addChild(rotator);

        Cone cone = new Cone(0.4f, 0.4f);
        Appearance color = new Appearance();
	color.setColoringAttributes(new ColoringAttributes(1f,0f,0f,1));	 
        cone.setAppearance(color);
        objSpin.addChild(cone);
        return moveCone;
    }

    public TransformGroup createCylinder()  {
	Transform3D t = new Transform3D();
        t.set(new Vector3f(-1.0f,-1.0f,0.0f));
	TransformGroup moveCylinder = new TransformGroup(t);
        
	TransformGroup objSpin = new TransformGroup();
        objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);  
        moveCylinder.addChild(objSpin);

	Transform3D rotate = new Transform3D();
	Transform3D tempRotate = new Transform3D();

        rotate.rotX(Math.PI/4.0d);
	tempRotate.rotY(Math.PI/5.0d);
        rotate.mul(tempRotate);
        
	Alpha rotationAlpha = new Alpha(-1, 12000);
	RotationInterpolator rotator =
                 new RotationInterpolator(rotationAlpha, objSpin, rotate, 0.0f ,(float)(2*Math.PI));
         BoundingSphere bounds = new BoundingSphere();
         rotator.setSchedulingBounds(bounds);
         objSpin.addChild(rotator);

        Cylinder cylinder = new Cylinder(0.4f, 0.4f);
        Appearance color = new Appearance();
	color.setColoringAttributes(new ColoringAttributes(0f,1f,0f,1));	 
        cylinder.setAppearance(color);
        objSpin.addChild(cylinder);
        return moveCylinder;
    }

    public TransformGroup createText()  {
	Transform3D t = new Transform3D();
        t.set(new Vector3f(1.0f,-1.0f,0.0f));
	TransformGroup moveText = new TransformGroup(t);
        
	TransformGroup objSpin = new TransformGroup();
        objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);  
        moveText.addChild(objSpin);
        
	Alpha rotationAlpha = new Alpha(-1, 4000);
	RotationInterpolator rotator =
                 new RotationInterpolator(rotationAlpha, objSpin);
         BoundingSphere bounds = new BoundingSphere();
         rotator.setSchedulingBounds(bounds);
         objSpin.addChild(rotator);

        objSpin.addChild(new Text2D("Go Yankees", new Color3f(0f,0f, 1f), "Serif", 40, Font.BOLD));
        return moveText;
    }

    public static void main(String[] args) {
	Frame frame = new MainFrame(new FourObjects2(), 256, 256);
    } 
} // end of class FourObjects2