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-/*
- * $RCSfile$
- *
- * Copyright (c) 2006 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);
- }
-}