Initial creation of j3d-examples sources in CVS repository

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diff --git a/src/PureImmediate/PureImmediate.java b/src/PureImmediate/PureImmediate.java
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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.GraphicsConfiguration;
+import java.awt.event.*;
+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.*;
+
+/**
+ * Pure immediate mode example program.  In pure immediate mode, the
+ * renderer must be stopped on the Canvas being rendered into. In our
+ * example, this is done immediately after the canvas is created. A
+ * separate thread is started up to do the immediate mode rendering.
+ */
+public class PureImmediate extends Applet implements Runnable {
+
+    private Canvas3D canvas;
+    private GraphicsContext3D gc = null;
+    private Geometry cube = null;
+    private Transform3D cmt = new Transform3D();
+
+    // One rotation (2*PI radians) every 6 seconds
+    private Alpha rotAlpha = new Alpha(-1, 6000);
+
+    private SimpleUniverse u = null;
+
+    //
+    // Renders a single frame by clearing the canvas, drawing the
+    // geometry, and swapping the draw and display buffer.
+    //
+    public void render() {
+	if (gc == null) {
+	    // Set up Graphics context
+	    gc = canvas.getGraphicsContext3D();
+	    gc.setAppearance(new Appearance());
+
+	    // Set up geometry
+	    cube = new ColorCube(0.4).getGeometry();
+	}
+
+	// Compute angle of rotation based on alpha value
+	double angle = rotAlpha.value() * 2.0*Math.PI;
+	cmt.rotY(angle);
+ 
+	// Render the geometry for this frame
+	gc.clear();
+	gc.setModelTransform(cmt);
+	gc.draw(cube);
+	canvas.swap();
+    }
+
+
+    //
+    // Run method for our immediate mode rendering thread.
+    //
+    public void run() {
+	System.out.println("PureImmediate.run: starting main loop");
+	while (true) {
+	    render();
+	    Thread.yield();
+	}
+    }
+
+
+    public PureImmediate() {
+    }
+
+    //
+    // init: create the canvas, stop the renderer,
+    // create the universe, and start the drawing thread.
+    //
+    public void init() {
+	setLayout(new BorderLayout());
+        GraphicsConfiguration config =
+           SimpleUniverse.getPreferredConfiguration();
+
+        canvas = new Canvas3D(config);
+        canvas.stopRenderer();
+	add("Center", canvas);
+
+	// Create the universe and viewing branch
+	u = new SimpleUniverse(canvas);
+
+        // This will move the ViewPlatform back a bit so the
+        // objects in the scene can be viewed.
+        u.getViewingPlatform().setNominalViewingTransform();
+
+	// Start a new thread that will continuously render
+	new Thread(this).start();
+    }
+
+    public void destroy() {
+	u.cleanup();
+    }
+
+    //
+    // The following allows PureImmediate to be run as an application
+    // as well as an applet
+    //
+    public static void main(String[] args) {
+	new MainFrame(new PureImmediate(), 256, 256);
+    }
+}