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+/*
+ * $RCSfile$
+ *
+ * Copyright (c) 2004 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:
+ *
+ * - Redistribution 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 MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
+ * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
+ * USING, MODIFYING OR DISTRIBUTING THIS 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 THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ * You acknowledge that this software is not designed, licensed or
+ * intended for use in the design, construction, operation or
+ * maintenance of any nuclear facility.
+ *
+ * $Revision$
+ * $Date$
+ * $State$
+ */
+
+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);
+ }
+}