Re: [JAVA3D] com.sun.....OrbitBehavior

[Kelvin Chung]

>Date: Thu, 13 Jun 2002 21:50:22 +0200
>From: portsacero <[EMAIL PROTECTED]>
>Subject: Re: [JAVA3D] com.sun.....OrbitBehavior
>To: Kelvin Chung <[EMAIL PROTECTED]>
>MIME-version: 1.0
>Content-transfer-encoding: 7bit
>X-Accept-Language: es-es
>User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; es-ES; rv:0.9.4)
Gecko/20011128 Netscape6/6.2.1
>
>I'm using v1.3 beta2 OpenGL (windows XP)
>
>My question is:
>
>
>Have I to set manually the viewer??
>Im trying to use without SimpleUniverse, is that possible?
>
>
>ViewingPlatform not has a setViewer(Viewer) method!
>

Attach is an example without using SimpleUniverse.

- Kelvin
--------------
Java 3D Team
Sun Microsystems Inc.

/*
 *      @(#)NoSimpleUniverse.java 1.52 01/01/11 07:33:44
 *
 * Copyright (c) 1996-2001 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 *
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */

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

public class NoSimpleUniverse extends Applet {

    private VirtualUniverse u = null;
    private Locale myLocale = null;

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

        // Create the TransformGroup node and initialize it to the
        // identity. Enable the TRANSFORM_WRITE capability so that
        // our behavior code can modify it at run time. Add it to
        // the root of the subgraph.
        TransformGroup objTrans = new TransformGroup();
        objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        objRoot.addChild(objTrans);

        // Create a simple Shape3D node; add it to the scene graph.
        objTrans.addChild(new ColorCube(0.4));

        // Create a new Behavior object that will perform the
        // desired operation on the specified transform and add
        // it into the scene graph.
        Transform3D yAxis = new Transform3D();
        Alpha rotationAlpha = new Alpha(-1, 4000);

        RotationInterpolator rotator =
            new RotationInterpolator(rotationAlpha, objTrans, yAxis,
                                     0.0f, (float) Math.PI*2.0f);
        BoundingSphere bounds =
            new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
        rotator.setSchedulingBounds(bounds);
        objRoot.addChild(rotator);

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

        return objRoot;
    }

    public NoSimpleUniverse() {
    }

    public void init() {
        setLayout(new BorderLayout());
        GraphicsConfiguration config =
           SimpleUniverse.getPreferredConfiguration();

        Canvas3D c = new Canvas3D(config);
        add("Center", c);

        // Create a simple scene and attach it to the virtual universe
        BranchGroup scene = createSceneGraph();
        BranchGroup viewBranch = new BranchGroup();
        u = new VirtualUniverse();
        myLocale = new Locale(u);
        TransformGroup viewGroup = new TransformGroup();
        Transform3D tempTrans = new Transform3D();
        tempTrans.setTranslation(new Vector3f(0.0f,0.0f,7.5f));
        viewGroup.setTransform(tempTrans);
        ViewPlatform myPlatform = new ViewPlatform();
        myPlatform.setActivationRadius(1000.0f);
        myPlatform.setViewAttachPolicy(View.NOMINAL_HEAD);

        View myView = new View();
        myView.setBackClipDistance(200.0f);
        myView.setFrontClipDistance(1.0f);
        myView.addCanvas3D(c);
        myView.setPhysicalBody(new PhysicalBody());
        myView.setPhysicalEnvironment(new PhysicalEnvironment());
        myView.attachViewPlatform(myPlatform);

        viewGroup.addChild(myPlatform);
        viewBranch.addChild(viewGroup);
        myLocale.addBranchGraph(viewBranch);
        myLocale.addBranchGraph(scene);

    }

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

    //
    // The following allows NoSimpleUniverse to be run as an application
    // as well as an applet
    //
    public static void main(String[] args) {
        new MainFrame(new NoSimpleUniverse(), 256, 256);
    }
}