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Java Source | 2003-08-08 | 4.2 KB | 123 lines |
- /*
- * @(#)HelloUniverse.java 1.55 02/10/21 13:43:36
- *
- * Copyright (c) 1996-2002 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * 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.
- *
- * You acknowledge that Software is not designed,licensed or intended
- * for use in the design, construction, operation or maintenance of
- * any nuclear facility.
- */
-
- 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 HelloUniverse extends Applet {
-
- private SimpleUniverse u = 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 HelloUniverse() {
- }
-
- 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();
- 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 void destroy() {
- u.cleanup();
- }
-
- //
- // The following allows HelloUniverse to be run as an application
- // as well as an applet
- //
- public static void main(String[] args) {
- new MainFrame(new HelloUniverse(), 256, 256);
- }
- }
-