j-java3d-10-1.html

本教程是为没有任何 3D 编程经验的 Java 程序员而编写的。我们将从一些基本的 3D 概念入手

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<td width="90%"><font size="4" face="Verdana, Arial, Helvetica"><b>UglyCube.java</b></font></td><td width="200" align="right"><font size="1" face="Verdana, Arial, Helvetica"><nobr>   第 1 页（共5 页）</nobr></font></td>
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<pre>
<code style="font-family: Courier New, Courier, monospace; font-size: 12">
/*
 *
 * Copyright (c) 1996-2001 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.
 */

import java.applet.Applet;
import java.awt.BorderLayout;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;


//Bare minimum really boring cube.
// Shows bare bones Universe creation

public class UglyCube extends Applet {

    private SimpleUniverse universe ;
    public UglyCube() {
        }
    public void init() {

      //canvas to draw on, ask SimpleUniverse what config to use
      Canvas3D canvas = new Canvas3D(
          SimpleUniverse.getPreferredConfiguration());
      setLayout(new BorderLayout());
      add("Center", canvas);
     
      //create top of our scene graph
      BranchGroup scene = new BranchGroup();

      //attach the cube to it
      scene.addChild(new ColorCube(0.4));
    
      //create universe, and attach our geometry to it.
      SimpleUniverse u = new SimpleUniverse(canvas);
      u.getViewingPlatform().setNominalViewingTransform();
      
        //rendering starts after BranchGroup is attached.
      u.addBranchGraph(scene);

    }

    // The following allows UglyCube to be run as an application
    // as well as an applet
    public static void main(String[] args) {
        new MainFrame(new UglyCube(), 256, 256);
    }
}
</code>
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