/*
 *      @(#)MouseBehaviorApp.java 1.0 99/03/25 11:42:40
 *
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import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Frame;
import com.sun.j3d.utils.applet.MainFrame; 
import com.sun.j3d.utils.geometry.ColorCube;
import com.sun.j3d.utils.universe.*;
import com.sun.j3d.utils.behaviors.mouse.*;
import javax.media.j3d.*;
import javax.vecmath.*;

import java.awt.event.*;
import java.util.Enumeration;

//   MouseBehaviorApp renders a single, interactively rotatable,
//   traslatable, and zoomable ColorCube object.

public class MouseBehaviorApp extends Applet {

    public BranchGroup createSceneGraph() {
	// Create the root of the branch graph
	BranchGroup objRoot = new BranchGroup();

        TransformGroup objTransform = new TransformGroup();
        objTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        objTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

        objRoot.addChild(objTransform);
        objTransform.addChild(new ColorCube(0.4));
        objRoot.addChild(new Axis());

        MouseRotate myMouseRotate = new MouseRotate();
        myMouseRotate.setTransformGroup(objTransform);
        myMouseRotate.setSchedulingBounds(new BoundingSphere());
        objRoot.addChild(myMouseRotate);

        MouseTranslate myMouseTranslate = new MouseTranslate();
        myMouseTranslate.setTransformGroup(objTransform);
        myMouseTranslate.setSchedulingBounds(new BoundingSphere());
        objRoot.addChild(myMouseTranslate);

        MouseZoom myMouseZoom = new MouseZoom();
        myMouseZoom.setTransformGroup(objTransform);
        myMouseZoom.setSchedulingBounds(new BoundingSphere());
        objRoot.addChild(myMouseZoom);

	// Let Java 3D perform optimizations on this scene graph.
        objRoot.compile();

	return objRoot;
    } // end of CreateSceneGraph method of MouseBehaviorApp

    // Create a simple scene and attach it to the virtual universe

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

        BranchGroup scene = createSceneGraph();

        // SimpleUniverse is a Convenience Utility class
        SimpleUniverse simpleU = new SimpleUniverse(canvas3D);

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

        simpleU.addBranchGraph(scene);
    } // end of MouseBehaviorApp (constructor)
    //  The following allows this to be run as an application
    //  as well as an applet

    public static void main(String[] args) {
        System.out.print("MouseBehaviorApp.java \n- a demonstration of using the mouse ");
        System.out.println("behavior utility classes to provide interaction in a Java 3D scene.");
        System.out.println("Hold the mouse button while moving the mouse to make the cube move.");
        System.out.println("     left mouse button      - rotate cube");
        System.out.println("     right mouse button     - translate cube");
        System.out.println("     Alt+left mouse button  - zoom cube");
        System.out.println("This is a simple example progam from The Java 3D API Tutorial.");
        System.out.println("The Java 3D Tutorial is available on the web at:");
        System.out.println("http://java.sun.com/products/java-media/3D/collateral");
        Frame frame = new MainFrame(new MouseBehaviorApp(), 256, 256);
    } // end of main (method of MouseBehaviorApp)

} // end of class MouseBehaviorApp