LitSphereApp.java Source code

Introduction

Here is the source code for LitSphereApp.java

Source

/*
 * LitSphereApp.java 1.0 99/04/12
 * 
 * Copyright (c) 1999 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.
 */

/*
 * 
 * This application (or a version of it) generated one or more of the images in
 * Chapter 6 of Getting Started with the Java 3D API. The Java 3D Turtorial.
 * 
 * See http://www.sun.com/desktop/java3d/collateral for more information.
 *  
 */

import java.applet.Applet;
import java.awt.BorderLayout;

import javax.media.j3d.AmbientLight;
import javax.media.j3d.Appearance;
import javax.media.j3d.Background;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.DirectionalLight;
import javax.media.j3d.Material;
import javax.vecmath.Color3f;
import javax.vecmath.Vector3f;

import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.Sphere;
import com.sun.j3d.utils.universe.SimpleUniverse;

public class LitSphereApp extends Applet {

    Appearance createAppearance() {

        Appearance appear = new Appearance();
        Material material = new Material();
        //      material.setDiffuseColor(0.0f, 0.0f, 1.0f);
        material.setShininess(50.0f);
        // make modifications to default material properties
        appear.setMaterial(material);

        //      ColoringAttributes colorAtt = new ColoringAttributes();
        //      colorAtt.setShadeModel(ColoringAttributes.SHADE_FLAT);
        //      appear.setColoringAttributes(colorAtt);

        return appear;
    }

    BranchGroup createScene() {
        BranchGroup scene = new BranchGroup();

        scene.addChild(new Sphere(0.9f, Sphere.GENERATE_NORMALS, createAppearance()));

        AmbientLight lightA = new AmbientLight();
        lightA.setInfluencingBounds(new BoundingSphere());
        scene.addChild(lightA);

        DirectionalLight lightD1 = new DirectionalLight();
        lightD1.setInfluencingBounds(new BoundingSphere());
        Vector3f direction1 = new Vector3f(-1.0f, -1.0f, -0.5f);
        direction1.normalize();
        lightD1.setDirection(direction1);
        lightD1.setColor(new Color3f(0.0f, 0.0f, 1.0f));
        scene.addChild(lightD1);

        DirectionalLight lightD2 = new DirectionalLight();
        lightD2.setInfluencingBounds(new BoundingSphere());
        Vector3f direction2 = new Vector3f(1.0f, -1.0f, -0.5f);
        direction2.normalize();
        lightD2.setDirection(direction2);
        lightD2.setColor(new Color3f(1.0f, 0.0f, 0.0f));
        scene.addChild(lightD2);

        Background bg = new Background();
        bg.setColor(1.0f, 1.0f, 1.0f);
        bg.setApplicationBounds(new BoundingSphere());
        scene.addChild(bg);

        return scene;
    }

    public LitSphereApp() {
        setLayout(new BorderLayout());
        Canvas3D c = new Canvas3D(null);
        add("Center", c);

        BranchGroup scene = createScene();
        scene.compile();

        SimpleUniverse u = new SimpleUniverse(c);

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

        u.addBranchGraph(scene);
    }

    public static void main(String argv[]) {
        new MainFrame(new LitSphereApp(), 256, 256);
    }
}