利用java3d编写的入门级例子

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package j3dproject; /********************************************************** Copyright (C) 2001 Daniel Selman First distributed with the book "Java 3D Programming" by Daniel Selman and published by Manning Publications. http://manning.com/selman This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. The license can be found on the WWW at: http://www.fsf.org/copyleft/gpl.html Or by writing to: Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. Authors can be contacted at: Daniel Selman: daniel@selman.org If you make changes you think others would like, please contact one of the authors or someone at the www.j3d.org web site. **************************************************************/ import java.applet.Applet; import java.awt.BorderLayout; import java.awt.Component; import java.awt.Frame; import java.awt.GraphicsConfigTemplate; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import java.awt.Menu; import java.awt.MenuBar; import java.awt.MenuItem; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.File; import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; import java.net.URL; import javax.media.j3d.AmbientLight; import javax.media.j3d.Appearance; import javax.media.j3d.AudioDevice; import javax.media.j3d.Background; import javax.media.j3d.BoundingSphere; import javax.media.j3d.Bounds; import javax.media.j3d.BranchGroup; import javax.media.j3d.Canvas3D; import javax.media.j3d.ColoringAttributes; import javax.media.j3d.DirectionalLight; import javax.media.j3d.GeometryArray; import javax.media.j3d.GraphicsConfigTemplate3D; import javax.media.j3d.Group; import javax.media.j3d.ImageComponent2D; import javax.media.j3d.LineAttributes; import javax.media.j3d.Locale; import javax.media.j3d.Material; import javax.media.j3d.NodeComponent; import javax.media.j3d.PhysicalBody; import javax.media.j3d.PhysicalEnvironment; import javax.media.j3d.PointAttributes; import javax.media.j3d.PolygonAttributes; import javax.media.j3d.QuadArray; import javax.media.j3d.RenderingAttributes; import javax.media.j3d.Shape3D; import javax.media.j3d.TexCoordGeneration; import javax.media.j3d.Texture; import javax.media.j3d.Texture2D; import javax.media.j3d.TextureAttributes; import javax.media.j3d.Transform3D; import javax.media.j3d.TransformGroup; import javax.media.j3d.TransparencyAttributes; import javax.media.j3d.View; import javax.media.j3d.ViewPlatform; import javax.media.j3d.VirtualUniverse; import javax.vecmath.Color3f; import javax.vecmath.Point3d; import javax.vecmath.Vector3d; import javax.vecmath.Vector3f; import javax.vecmath.Vector4f; import com.sun.j3d.audioengines.javasound.JavaSoundMixer; import com.sun.j3d.utils.applet.MainFrame; import com.sun.j3d.utils.behaviors.keyboard.KeyNavigatorBehavior; import com.sun.j3d.utils.geometry.Box; import com.sun.j3d.utils.geometry.Primitive; import com.sun.j3d.utils.image.TextureLoader; /******************************************************************************* * Copyright (C) 2001 Daniel Selman * * First distributed with the book "Java 3D Programming" by Daniel Selman and * published by Manning Publications. http://manning.com/selman * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation, version 2. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * The license can be found on the WWW at: http://www.fsf.org/copyleft/gpl.html * * Or by writing to: Free Software Foundation, Inc., 59 Temple Place - Suite * 330, Boston, MA 02111-1307, USA. * * Authors can be contacted at: Daniel Selman: daniel@selman.org * * If you make changes you think others would like, please contact one of the * authors or someone at the www.j3d.org web site. ******************************************************************************/ //***************************************************************************** /** * Java3dApplet * * Base class for defining a Java 3D applet. Contains some useful methods for * defining views and scenegraphs etc. * * @author Daniel Selman * @version 1.0 */ //***************************************************************************** /** * Allows the various Java 3D Appearance components to be specified * interactively and applies the Appearance to an object in a scene. * <p> * This example can only be run as an application as it uses a MenuBar which can * only be associated with a Frame (in AWT) */ public class AppearanceTest extends Java3dApplet { private static int m_kWidth = 400; private static int m_kHeight = 400; private Frame m_Frame = null; private Appearance m_Appearance = null; private AppearanceComponent[] m_ComponentArray = null; public AppearanceTest() { m_Appearance = new Appearance(); TextureComponent.setComponent(this); m_ComponentArray = new AppearanceComponent[] { new PolygonComponent(m_Appearance), new ColoringComponent(m_Appearance), new LineComponent(m_Appearance), new MaterialComponent(m_Appearance), new PointComponent(m_Appearance), new RenderingComponent(m_Appearance), new TransparencyComponent(m_Appearance), new TextureComponent(m_Appearance), new TextureAttributesComponent(m_Appearance), new TexGenComponent(m_Appearance) }; } protected void addCanvas3D(Canvas3D c3d) { if (m_Frame != null) { MenuBar menuBar = new MenuBar(); for (int n = 0; n < m_ComponentArray.length; n++) menuBar.add(m_ComponentArray[n].createMenu()); m_Frame.setMenuBar(menuBar); } setLayout(new BorderLayout()); add(c3d, BorderLayout.CENTER); doLayout(); } protected double getScale() { return 0.1; } protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); TransformGroup zoomTg = new TransformGroup(); zoomTg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); zoomTg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); // attach a navigation behavior to the position of the viewer KeyNavigatorBehavior key = new KeyNavigatorBehavior(zoomTg); key.setSchedulingBounds(createApplicationBounds()); key.setEnable(true); objRoot.addChild(key); // create a TransformGroup to flip the hand onto its end and enlarge it. TransformGroup objTrans1 = new TransformGroup(); Transform3D tr = new Transform3D(); objTrans1.getTransform(tr); tr.setEuler(new Vector3d(0.5 * Math.PI, 0.6, 0)); objTrans1.setTransform(tr); // Set up the global lights Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f); Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f); Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f); AmbientLight aLgt = new AmbientLight(alColor); aLgt.setInfluencingBounds(getApplicationBounds()); DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1); lgt1.setInfluencingBounds(getApplicationBounds()); objRoot.addChild(aLgt); objRoot.addChild(lgt1); int nScale = 50; Box box = new Box(nScale, nScale, nScale, Primitive.GENERATE_NORMALS | Primitiv