Java tutorial
/********************************************************** 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; /** * 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 | Primitive.GENERATE_TEXTURE_COORDS, m_Appearance); Shape3D frontFace = box.getShape(Box.LEFT); // create a new left face so we can // assign per-vertex colors GeometryArray geometry = new QuadArray(4, GeometryArray.COORDINATES | GeometryArray.NORMALS | GeometryArray.COLOR_4 | GeometryArray.TEXTURE_COORDINATE_2); nScale = 40; final float[] verts = { // left face -1.0f * nScale, -1.0f * nScale, 1.0f * nScale, -1.0f * nScale, 1.0f * nScale, 1.0f * nScale, -1.0f * nScale, 1.0f * nScale, -1.0f * nScale, -1.0f * nScale, -1.0f * nScale, -1.0f * nScale }; final float[] colors = { // left face 1, 0, 0, 0, 0, 1, 0, 0.2f, 0, 0, 1, 0.8f, 0, 0, 0, 1, }; float[] tcoords = { // left 1, 0, 1, 1, 0, 1, 0, 0 }; Vector3f normalVector = new Vector3f(-1.0f, 0.0f, 0.0f); geometry.setColors(0, colors, 0, 4); for (int n = 0; n < 4; n++) geometry.setNormal(n, normalVector); geometry.setTextureCoordinates(0, tcoords, 0, 4); geometry.setCoordinates(0, verts); frontFace.setGeometry(geometry); // connect the scenegraph objTrans1.addChild(box); zoomTg.addChild(objTrans1); objRoot.addChild(zoomTg); return objRoot; } public static void main(String[] args) { AppearanceTest appearanceTest = new AppearanceTest(); appearanceTest.saveCommandLineArguments(args); Frame frame = (Frame) new MainFrame(appearanceTest, m_kWidth, m_kHeight); appearanceTest.m_Frame = frame; appearanceTest.initJava3d(); } } /******************************************************************************* * 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 */ //***************************************************************************** abstract class Java3dApplet extends Applet { public static int m_kWidth = 300; public static int m_kHeight = 300; protected String[] m_szCommandLineArray = null; protected VirtualUniverse m_Universe = null; protected BranchGroup m_SceneBranchGroup = null; protected Bounds m_ApplicationBounds = null; // protected com.tornadolabs.j3dtree.Java3dTree m_Java3dTree = null; public Java3dApplet() { } public boolean isApplet() { try { System.getProperty("user.dir"); System.out.println("Running as Application."); return false; } catch (Exception e) { } System.out.println("Running as Applet."); return true; } public URL getWorkingDirectory() throws java.net.MalformedURLException { URL url = null; try { File file = new File(System.getProperty("user.dir")); System.out.println("Running as Application:"); System.out.println(" " + file.toURL()); return file.toURL(); } catch (Exception e) { } System.out.println("Running as Applet:"); System.out.println(" " + getCodeBase()); return getCodeBase(); } public VirtualUniverse getVirtualUniverse() { return m_Universe; } //public com.tornadolabs.j3dtree.Java3dTree getJ3dTree() { //return m_Java3dTree; // } public Locale getFirstLocale() { java.util.Enumeration e = m_Universe.getAllLocales(); if (e.hasMoreElements() != false) return (Locale) e.nextElement(); return null; } protected Bounds getApplicationBounds() { if (m_ApplicationBounds == null) m_ApplicationBounds = createApplicationBounds(); return m_ApplicationBounds; } protected Bounds createApplicationBounds() { m_ApplicationBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); return m_ApplicationBounds; } protected Background createBackground() { Background back = new Background(new Color3f(0.9f, 0.9f, 0.9f)); back.setApplicationBounds(createApplicationBounds()); return back; } public void initJava3d() { // m_Java3dTree = new com.tornadolabs.j3dtree.Java3dTree(); m_Universe = createVirtualUniverse(); Locale locale = createLocale(m_Universe); BranchGroup sceneBranchGroup = createSceneBranchGroup(); ViewPlatform vp = createViewPlatform(); BranchGroup viewBranchGroup = createViewBranchGroup(getViewTransformGroupArray(), vp); createView(vp); Background background = createBackground(); if (background != null) sceneBranchGroup.addChild(background); // m_Java3dTree.recursiveApplyCapability(sceneBranchGroup); // m_Java3dTree.recursiveApplyCapability(viewBranchGroup); locale.addBranchGraph(sceneBranchGroup); addViewBranchGroup(locale, viewBranchGroup); onDoneInit(); } protected void onDoneInit() { // m_Java3dTree.updateNodes(m_Universe); } protected double getScale() { return 1.0; } public TransformGroup[] getViewTransformGroupArray() { TransformGroup[] tgArray = new TransformGroup[1]; tgArray[0] = new TransformGroup(); // move the camera BACK a little... // note that we have to invert the matrix as // we are moving the viewer Transform3D t3d = new Transform3D(); t3d.setScale(getScale()); t3d.setTranslation(new Vector3d(0.0, 0.0, -20.0)); t3d.invert(); tgArray[0].setTransform(t3d); return tgArray; } protected void addViewBranchGroup(Locale locale, BranchGroup bg) { locale.addBranchGraph(bg); } protected Locale createLocale(VirtualUniverse u) { return new Locale(u); } protected BranchGroup createSceneBranchGroup() { m_SceneBranchGroup = new BranchGroup(); return m_SceneBranchGroup; } protected View createView(ViewPlatform vp) { View view = new View(); PhysicalBody pb = createPhysicalBody(); PhysicalEnvironment pe = createPhysicalEnvironment(); AudioDevice audioDevice = createAudioDevice(pe); if (audioDevice != null) { pe.setAudioDevice(audioDevice); audioDevice.initialize(); } view.setPhysicalEnvironment(pe); view.setPhysicalBody(pb); if (vp != null) view.attachViewPlatform(vp); view.setBackClipDistance(getBackClipDistance()); view.setFrontClipDistance(getFrontClipDistance()); Canvas3D c3d = createCanvas3D(); view.addCanvas3D(c3d); addCanvas3D(c3d); return view; } protected PhysicalBody createPhysicalBody() { return new PhysicalBody(); } protected AudioDevice createAudioDevice(PhysicalEnvironment pe) { JavaSoundMixer javaSoundMixer = new JavaSoundMixer(pe); if (javaSoundMixer == null) System.out.println("create of audiodevice failed"); return javaSoundMixer; } protected PhysicalEnvironment createPhysicalEnvironment() { return new PhysicalEnvironment(); } protected float getViewPlatformActivationRadius() { return 100; } protected ViewPlatform createViewPlatform() { ViewPlatform vp = new ViewPlatform(); vp.setViewAttachPolicy(View.RELATIVE_TO_FIELD_OF_VIEW); vp.setActivationRadius(getViewPlatformActivationRadius()); return vp; } protected Canvas3D createCanvas3D() { GraphicsConfigTemplate3D gc3D = new GraphicsConfigTemplate3D(); gc3D.setSceneAntialiasing(GraphicsConfigTemplate.PREFERRED); GraphicsDevice gd[] = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices(); Canvas3D c3d = new Canvas3D(gd[0].getBestConfiguration(gc3D)); c3d.setSize(getCanvas3dWidth(c3d), getCanvas3dHeight(c3d)); return c3d; } protected int getCanvas3dWidth(Canvas3D c3d) { return m_kWidth; } protected int getCanvas3dHeight(Canvas3D c3d) { return m_kHeight; } protected double getBackClipDistance() { return 100.0; } protected double getFrontClipDistance() { return 1.0; } protected BranchGroup createViewBranchGroup(TransformGroup[] tgArray, ViewPlatform vp) { BranchGroup vpBranchGroup = new BranchGroup(); if (tgArray != null && tgArray.length > 0) { Group parentGroup = vpBranchGroup; TransformGroup curTg = null; for (int n = 0; n < tgArray.length; n++) { curTg = tgArray[n]; parentGroup.addChild(curTg); parentGroup = curTg; } tgArray[tgArray.length - 1].addChild(vp); } else vpBranchGroup.addChild(vp); return vpBranchGroup; } protected void addCanvas3D(Canvas3D c3d) { setLayout(new BorderLayout()); add(c3d, BorderLayout.CENTER); doLayout(); } protected VirtualUniverse createVirtualUniverse() { return new VirtualUniverse(); } protected void saveCommandLineArguments(String[] szArgs) { m_szCommandLineArray = szArgs; } protected String[] getCommandLineArguments() { return m_szCommandLineArray; } } class LineComponent extends AppearanceComponent { public LineComponent(Appearance app) { super(app); } protected int[] getCapabilities() { return new int[] { LineAttributes.ALLOW_ANTIALIASING_WRITE, LineAttributes.ALLOW_PATTERN_WRITE, LineAttributes.ALLOW_WIDTH_WRITE }; } protected NodeComponent createComponent() { return (NodeComponent) new LineAttributes(); } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_LINE_ATTRIBUTES_WRITE); } protected void assignToAppearance() { m_Appearance.setLineAttributes((LineAttributes) m_NodeComponent); } protected void assignNullToAppearance() { m_Appearance.setLineAttributes(null); } protected String getName() { return "Line"; } protected String[] getMenuItemNames() { return new String[] { "-", "Antialiasing", "-", "On", "Off", "-", "Pattern", "-", "Dash", "DashDot", "Dot", "Solid", "-", "Width", "-", "1", "2", "5", "10" }; } private LineAttributes getLineAttributes() { return (LineAttributes) m_NodeComponent; } public void onOn() { getLineAttributes().setLineAntialiasingEnable(true); } public void onOff() { getLineAttributes().setLineAntialiasingEnable(false); } public void onDash() { getLineAttributes().setLinePattern(LineAttributes.PATTERN_DASH); } public void onDashDot() { getLineAttributes().setLinePattern(LineAttributes.PATTERN_DASH_DOT); } public void onDot() { getLineAttributes().setLinePattern(LineAttributes.PATTERN_DOT); } public void onSolid() { getLineAttributes().setLinePattern(LineAttributes.PATTERN_SOLID); } public void on1() { getLineAttributes().setLineWidth(1); } public void on2() { getLineAttributes().setLineWidth(2); } public void on5() { getLineAttributes().setLineWidth(5); } public void on10() { getLineAttributes().setLineWidth(10); } } class MaterialComponent extends AppearanceComponent { public MaterialComponent(Appearance app) { super(app); } protected int[] getCapabilities() { return new int[] { Material.ALLOW_COMPONENT_WRITE }; } protected NodeComponent createComponent() { return (NodeComponent) new Material(); } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_MATERIAL_WRITE); } protected void assignToAppearance() { m_Appearance.setMaterial((Material) m_NodeComponent); } protected void assignNullToAppearance() { m_Appearance.setMaterial(null); } protected String getName() { return "Material"; } protected String[] getMenuItemNames() { return new String[] { "-", "Ambient", "-", "A_White", "A_Black", "A_Blue", "-", "Diffuse", "-", "D_White", "D_Black", "D_Blue", "-", "Emissive", "-", "E_White", "E_Black", "E_Blue", "-", "Specular", "-", "S_White", "S_Black", "S_Blue", "-", "Lighting", "-", "On", "Off", "-", "Shininess", "-", "1", "70", }; } private Material getMaterial() { return (Material) m_NodeComponent; } public void onA_White() { getMaterial().setAmbientColor(1, 1, 1); } public void onA_Black() { getMaterial().setAmbientColor(0, 0, 0); } public void onA_Blue() { getMaterial().setAmbientColor(0, 0, 1); } public void onE_White() { getMaterial().setEmissiveColor(1, 1, 1); } public void onE_Black() { getMaterial().setEmissiveColor(0, 0, 0); } public void onE_Blue() { getMaterial().setEmissiveColor(0, 0, 1); } public void onD_White() { getMaterial().setDiffuseColor(1, 1, 1); } public void onD_Black() { getMaterial().setDiffuseColor(0, 0, 0); } public void onD_Blue() { getMaterial().setDiffuseColor(0, 0, 1); } public void onS_White() { getMaterial().setSpecularColor(1, 1, 1); } public void onS_Black() { getMaterial().setSpecularColor(0, 0, 0); } public void onS_Blue() { getMaterial().setSpecularColor(0, 0, 1); } public void onOn() { getMaterial().setLightingEnable(true); } public void onOff() { getMaterial().setLightingEnable(false); } public void on1() { getMaterial().setShininess(1); } public void on70() { getMaterial().setShininess(70); } } class PointComponent extends AppearanceComponent { public PointComponent(Appearance app) { super(app); } protected int[] getCapabilities() { return new int[] { PointAttributes.ALLOW_ANTIALIASING_WRITE, PointAttributes.ALLOW_SIZE_WRITE }; } protected NodeComponent createComponent() { return (NodeComponent) new PointAttributes(); } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_POINT_ATTRIBUTES_WRITE); } protected void assignToAppearance() { m_Appearance.setPointAttributes((PointAttributes) m_NodeComponent); } protected void assignNullToAppearance() { m_Appearance.setPointAttributes(null); } protected String getName() { return "Point"; } protected String[] getMenuItemNames() { return new String[] { "-", "Antialiasing", "-", "On", "Off", "-", "Size", "-", "1", "5", "10" }; } private PointAttributes getPointAttributes() { return (PointAttributes) m_NodeComponent; } public void onOn() { getPointAttributes().setPointAntialiasingEnable(true); } public void onOff() { getPointAttributes().setPointAntialiasingEnable(false); } public void on1() { getPointAttributes().setPointSize(1); } public void on5() { getPointAttributes().setPointSize(5); } public void on10() { getPointAttributes().setPointSize(10); } } class PolygonComponent extends AppearanceComponent { public PolygonComponent(Appearance app) { super(app); } protected int[] getCapabilities() { return new int[] { PolygonAttributes.ALLOW_CULL_FACE_WRITE, PolygonAttributes.ALLOW_MODE_WRITE, PolygonAttributes.ALLOW_NORMAL_FLIP_WRITE, PolygonAttributes.ALLOW_OFFSET_WRITE }; } protected NodeComponent createComponent() { return (NodeComponent) new PolygonAttributes(); } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_POLYGON_ATTRIBUTES_WRITE); } protected void assignToAppearance() { m_Appearance.setPolygonAttributes((PolygonAttributes) m_NodeComponent); } protected void assignNullToAppearance() { m_Appearance.setPolygonAttributes(null); } protected String getName() { return "Polygon"; } protected String[] getMenuItemNames() { return new String[] { "-", "Cull", "-", "Back", "Front", "None", "-", "Mode", "-", "Fill", "Line", "Point", "-", "Normal", "-", "Flip_ON", "Flip_OFF", "-", "Offset", "-", "0", "10", "50", "200" }; } private PolygonAttributes getPolygonAttributes() { return (PolygonAttributes) m_NodeComponent; } public void onBack() { getPolygonAttributes().setCullFace(PolygonAttributes.CULL_BACK); } public void onFront() { getPolygonAttributes().setCullFace(PolygonAttributes.CULL_FRONT); } public void onNone() { getPolygonAttributes().setCullFace(PolygonAttributes.CULL_NONE); } public void onFill() { getPolygonAttributes().setPolygonMode(PolygonAttributes.POLYGON_FILL); } public void onLine() { getPolygonAttributes().setPolygonMode(PolygonAttributes.POLYGON_LINE); } public void onPoint() { getPolygonAttributes().setPolygonMode(PolygonAttributes.POLYGON_POINT); } public void onFlip_ON() { getPolygonAttributes().setBackFaceNormalFlip(true); } public void onFlip_OFF() { getPolygonAttributes().setBackFaceNormalFlip(false); } public void on0() { getPolygonAttributes().setPolygonOffset(0); } public void on10() { getPolygonAttributes().setPolygonOffset(10); } public void on50() { getPolygonAttributes().setPolygonOffset(50); } public void on200() { getPolygonAttributes().setPolygonOffset(200); } } class RenderingComponent extends AppearanceComponent { public RenderingComponent(Appearance app) { super(app); } protected int[] getCapabilities() { return new int[] { RenderingAttributes.ALLOW_ALPHA_TEST_FUNCTION_WRITE, RenderingAttributes.ALLOW_ALPHA_TEST_VALUE_WRITE, RenderingAttributes.ALLOW_DEPTH_ENABLE_READ }; } protected NodeComponent createComponent() { return (NodeComponent) new RenderingAttributes(); } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_RENDERING_ATTRIBUTES_WRITE); } protected void assignToAppearance() { m_Appearance.setRenderingAttributes((RenderingAttributes) m_NodeComponent); } protected void assignNullToAppearance() { m_Appearance.setRenderingAttributes(null); } protected String getName() { return "Rendering"; } protected String[] getMenuItemNames() { return new String[] { "-", "AlphaTest", "-", "ALWAYS", "NEVER", "EQUAL", "NOT_EQUAL", "LESS", "LESS_OR_EQUAL", "GREATER", "GREATER_OR_EQUAL", "-", "AlphaTest Value", "-", "0", "0point5", "1", "-", "Depth Buffer", "-", "On", "Off", "-", "Depth Buffer Write", "-", "Enable", "Disable", }; } private RenderingAttributes getRenderingAttributes() { return (RenderingAttributes) m_NodeComponent; } public void onALWAYS() { getRenderingAttributes().setAlphaTestFunction(RenderingAttributes.ALWAYS); } public void onNEVER() { getRenderingAttributes().setAlphaTestFunction(RenderingAttributes.NEVER); } public void onEQUAL() { getRenderingAttributes().setAlphaTestFunction(RenderingAttributes.EQUAL); } public void onNOT_EQUAL() { getRenderingAttributes().setAlphaTestFunction(RenderingAttributes.NOT_EQUAL); } public void onLESS() { getRenderingAttributes().setAlphaTestFunction(RenderingAttributes.LESS); } public void onLESS_OR_EQUAL() { getRenderingAttributes().setAlphaTestFunction(RenderingAttributes.LESS_OR_EQUAL); } public void onGREATER() { getRenderingAttributes().setAlphaTestFunction(RenderingAttributes.GREATER); } public void onGREATER_OR_EQUAL() { getRenderingAttributes().setAlphaTestFunction(RenderingAttributes.GREATER_OR_EQUAL); } public void on0() { getRenderingAttributes().setAlphaTestValue(0); } public void on0point5() { getRenderingAttributes().setAlphaTestValue(0.5f); } public void on1() { getRenderingAttributes().setAlphaTestValue(1); } public void onOn() { getRenderingAttributes().setDepthBufferEnable(true); } public void onOff() { getRenderingAttributes().setDepthBufferEnable(false); } public void onEnable() { getRenderingAttributes().setDepthBufferWriteEnable(true); } public void onDisable() { getRenderingAttributes().setDepthBufferWriteEnable(false); } } class TexGenComponent extends AppearanceComponent { TexCoordGeneration m_TexCoordGeneration = null; final float m_PlaneFactor = 0.02f; public TexGenComponent(Appearance app) { super(app); } protected int[] getCapabilities() { return new int[] { TexCoordGeneration.ALLOW_ENABLE_WRITE }; } protected NodeComponent createComponent() { return (NodeComponent) new TexCoordGeneration(TexCoordGeneration.OBJECT_LINEAR, TexCoordGeneration.TEXTURE_COORDINATE_3); } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_TEXGEN_WRITE); } protected void assignToAppearance() { m_TexCoordGeneration = new TexCoordGeneration(); m_TexCoordGeneration.duplicateNodeComponent(m_NodeComponent); m_Appearance.setTexCoordGeneration(m_TexCoordGeneration); } protected void assignNullToAppearance() { m_Appearance.setTexCoordGeneration(null); } protected String getName() { return "TexCoordGen"; } protected String[] getMenuItemNames() { return new String[] { "-", "Enable", "-", "On", "Off", "-", "GenMode", "-", "EYE_LINEAR", "OBJECT_LINEAR", "SPHERE_MAP", "-", "Format", "-", "TEXTURE_COORDINATE_2", "TEXTURE_COORDINATE_3", "-", "Plane R", "-", "R_1_0_0_0", "R_0_1_0_5", "R_0_0_1_0", "R_0_0_0_1", "-", "Plane S", "-", "S_1_0_0_0", "S_0_1_0_5", "S_0_0_1_0", "S_0_0_0_1", "-", "Plane T", "-", "T_1_0_0_0", "T_0_1_0_5", "T_0_0_1_0", "T_0_0_0_1", }; } private TexCoordGeneration getTexCoordGeneration() { return (TexCoordGeneration) m_NodeComponent; } public void onOn() { getTexCoordGeneration().setEnable(true); assignToAppearance(); } public void onOff() { getTexCoordGeneration().setEnable(false); assignToAppearance(); } public void onEYE_LINEAR() { getTexCoordGeneration().setGenMode(TexCoordGeneration.EYE_LINEAR); assignToAppearance(); } public void onOBJECT_LINEAR() { getTexCoordGeneration().setGenMode(TexCoordGeneration.OBJECT_LINEAR); assignToAppearance(); } public void onSPHERE_MAP() { getTexCoordGeneration().setGenMode(TexCoordGeneration.SPHERE_MAP); assignToAppearance(); } public void onTEXTURE_COORDINATE_2() { getTexCoordGeneration().setFormat(TexCoordGeneration.TEXTURE_COORDINATE_2); assignToAppearance(); } public void onTEXTURE_COORDINATE_3() { getTexCoordGeneration().setFormat(TexCoordGeneration.TEXTURE_COORDINATE_3); assignToAppearance(); } public void onR_1_0_0_0() { getTexCoordGeneration().setPlaneR(new Vector4f(m_PlaneFactor, 0, 0, 0)); assignToAppearance(); } public void onR_0_1_0_5() { getTexCoordGeneration().setPlaneR(new Vector4f(0, m_PlaneFactor, 0, 0.5f)); assignToAppearance(); } public void onR_0_0_1_0() { getTexCoordGeneration().setPlaneR(new Vector4f(0, 0, m_PlaneFactor, 0)); assignToAppearance(); } public void onR_0_0_0_1() { getTexCoordGeneration().setPlaneR(new Vector4f(0, 0, 0, m_PlaneFactor)); assignToAppearance(); } public void onS_1_0_0_0() { getTexCoordGeneration().setPlaneS(new Vector4f(m_PlaneFactor, 0, 0, 0)); assignToAppearance(); } public void onS_0_1_0_5() { getTexCoordGeneration().setPlaneS(new Vector4f(0, m_PlaneFactor, 0, 0.5f)); assignToAppearance(); } public void onS_0_0_1_0() { getTexCoordGeneration().setPlaneS(new Vector4f(0, 0, m_PlaneFactor, 0)); assignToAppearance(); } public void onS_0_0_0_1() { getTexCoordGeneration().setPlaneS(new Vector4f(0, 0, 0, m_PlaneFactor)); assignToAppearance(); } public void onT_1_0_0_0() { getTexCoordGeneration().setPlaneT(new Vector4f(m_PlaneFactor, 0, 0, 0)); assignToAppearance(); } public void onT_0_1_0_5() { getTexCoordGeneration().setPlaneT(new Vector4f(0, m_PlaneFactor, 0, 0.5f)); assignToAppearance(); } public void onT_0_0_1_0() { getTexCoordGeneration().setPlaneT(new Vector4f(0, 0, m_PlaneFactor, 0)); assignToAppearance(); } public void onT_0_0_0_1() { getTexCoordGeneration().setPlaneT(new Vector4f(0, 0, 0, m_PlaneFactor)); assignToAppearance(); } } class TextureAttributesComponent extends AppearanceComponent { public TextureAttributesComponent(Appearance app) { super(app); } protected int[] getCapabilities() { return new int[] { TextureAttributes.ALLOW_BLEND_COLOR_WRITE, TextureAttributes.ALLOW_MODE_WRITE, TextureAttributes.ALLOW_TRANSFORM_WRITE, }; } protected NodeComponent createComponent() { return (NodeComponent) new TextureAttributes(); } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_TEXTURE_ATTRIBUTES_WRITE); } protected void assignToAppearance() { m_Appearance.setTextureAttributes((TextureAttributes) m_NodeComponent); } protected void assignNullToAppearance() { m_Appearance.setTextureAttributes(null); } protected String getName() { return "TextureAttributes"; } protected String[] getMenuItemNames() { return new String[] { "-", "Mode", "-", "MODULATE", "DECAL", "BLEND", "REPLACE", "-", "Blend Color", "-", "T_White_Alpha_0point3", "T_Black_Alpha_0point7", "T_Blue_Alpha_1", "-", "Transform", "-", "0_degrees", "X_30_degrees", "Y_30_degrees", "Z_30_degrees", "-", "Perspective Correction", "-", "NICEST", "FASTEST" }; } private TextureAttributes getTextureAttributes() { return (TextureAttributes) m_NodeComponent; } public void onMODULATE() { getTextureAttributes().setTextureMode(TextureAttributes.MODULATE); } public void onDECAL() { getTextureAttributes().setTextureMode(TextureAttributes.DECAL); } public void onBLEND() { getTextureAttributes().setTextureMode(TextureAttributes.BLEND); } public void onREPLACE() { getTextureAttributes().setTextureMode(TextureAttributes.REPLACE); } public void onT_White_Alpha_0point3() { getTextureAttributes().setTextureBlendColor(1, 1, 1, 0.3f); } public void onT_Black_Alpha_0point7() { getTextureAttributes().setTextureBlendColor(0, 0, 0, 0.7f); } public void onT_Blue_Alpha_1() { getTextureAttributes().setTextureBlendColor(0, 0, 1, 1); } public void on0_degrees() { Transform3D t3d = new Transform3D(); getTextureAttributes().setTextureTransform(t3d); } public void onX_30_degrees() { Transform3D t3d = new Transform3D(); t3d.rotX(Math.toRadians(30)); getTextureAttributes().setTextureTransform(t3d); } public void onY_30_degrees() { Transform3D t3d = new Transform3D(); t3d.rotY(Math.toRadians(30)); getTextureAttributes().setTextureTransform(t3d); } public void onZ_30_degrees() { Transform3D t3d = new Transform3D(); t3d.rotZ(Math.toRadians(30)); getTextureAttributes().setTextureTransform(t3d); } public void onNICEST() { getTextureAttributes().setPerspectiveCorrectionMode(TextureAttributes.NICEST); } public void onFASTEST() { getTextureAttributes().setPerspectiveCorrectionMode(TextureAttributes.FASTEST); } } class TextureComponent extends AppearanceComponent { // hack, so we have an image observer when we load Textures public static Component m_Component = null; private Texture m_Texture = null; public TextureComponent(Appearance app) { super(app); } public static void setComponent(Component comp) { m_Component = comp; } protected int[] getCapabilities() { return new int[] { Texture.ALLOW_ENABLE_WRITE, }; } protected NodeComponent createComponent() { TextureLoader texLoader = new TextureLoader("texture00.jpg", m_Component); ImageComponent2D image = texLoader.getImage(); Texture2D tex2D = new Texture2D(Texture.MULTI_LEVEL_MIPMAP, Texture.RGBA, image.getWidth(), image.getHeight()); for (int n = 0; n <= 6; n++) { texLoader = new TextureLoader("texture0" + n + ".jpg", m_Component); tex2D.setImage(n, texLoader.getImage()); } return (NodeComponent) tex2D; } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_TEXTURE_WRITE); } protected void assignToAppearance() { m_Texture = (Texture) new Texture2D(); m_Texture = (Texture) m_NodeComponent.cloneNodeComponent(true); m_Appearance.setTexture(m_Texture); } protected void assignNullToAppearance() { m_Appearance.setTexture(null); } protected String getName() { return "Texture"; } protected String[] getMenuItemNames() { return new String[] { "-", "Boundary Color", "-", "White", "Black", "BlueTransparent", "-", "Boundary Mode S", "-", "S_CLAMP", "S_WRAP", "-", "Boundary Mode T", "-", "T_CLAMP", "T_WRAP", "-", "Enable", "-", "On", "Off", "-", "Image", "-", "Texture0", "Texture1", "Texture2", "-", "MagFilter", "-", "Mag_FASTEST", "Mag_NICEST", "Mag_BASE_LEVEL_POINT", "Mag_BASE_LEVEL_LINEAR", "-", "MinFilter", "-", "Min_FASTEST", "Min_NICEST", "Min_BASE_LEVEL_POINT", "Min_BASE_LEVEL_LINEAR", "Min_MULTI_LEVEL_POINT", "Min_MULTI_LEVEL_LINEAR", "-", "MipMap Mode", "-", "BASE_LEVEL", "MULTI_LEVEL_MIPMAP", }; } private Texture getTexture() { return (Texture) m_NodeComponent; } public void onWhite() { getTexture().setBoundaryColor(1, 1, 1, 0); assignToAppearance(); } public void onBlack() { getTexture().setBoundaryColor(0, 0, 0, 0); assignToAppearance(); } public void onBlueTransparent() { getTexture().setBoundaryColor(0, 0, 1, 0.5f); assignToAppearance(); } public void onS_CLAMP() { getTexture().setBoundaryModeS(Texture.CLAMP); assignToAppearance(); } public void onS_WRAP() { getTexture().setBoundaryModeS(Texture.WRAP); assignToAppearance(); } public void onT_CLAMP() { getTexture().setBoundaryModeT(Texture.CLAMP); assignToAppearance(); } public void onT_WRAP() { getTexture().setBoundaryModeT(Texture.WRAP); assignToAppearance(); } public void onOn() { getTexture().setEnable(true); assignToAppearance(); } public void onOff() { getTexture().setEnable(false); assignToAppearance(); } public void onTexture0() { TextureLoader texLoader = null; for (int n = 0; n <= 6; n++) { texLoader = new TextureLoader("texture0" + n + ".jpg", m_Component); getTexture().setImage(n, texLoader.getImage()); } assignToAppearance(); } public void onTexture1() { TextureLoader texLoader = null; for (int n = 0; n <= 6; n++) { texLoader = new TextureLoader("texture1" + n + ".jpg", m_Component); getTexture().setImage(n, texLoader.getImage()); } assignToAppearance(); } public void onTexture2() { TextureLoader texLoader = null; for (int n = 0; n <= 6; n++) { texLoader = new TextureLoader("texture2" + n + ".gif", m_Component); getTexture().setImage(n, texLoader.getImage()); } assignToAppearance(); } public void onMag_FASTEST() { getTexture().setMagFilter(Texture.FASTEST); assignToAppearance(); } public void onMag_NICEST() { getTexture().setMagFilter(Texture.NICEST); assignToAppearance(); } public void onMag_BASE_LEVEL_POINT() { getTexture().setMagFilter(Texture.BASE_LEVEL_POINT); assignToAppearance(); } public void onMag_BASE_LEVEL_LINEAR() { getTexture().setMagFilter(Texture.BASE_LEVEL_LINEAR); assignToAppearance(); } public void onMin_FASTEST() { getTexture().setMinFilter(Texture.FASTEST); assignToAppearance(); } public void onMin_NICEST() { getTexture().setMinFilter(Texture.NICEST); assignToAppearance(); } public void onMin_BASE_LEVEL_POINT() { getTexture().setMinFilter(Texture.BASE_LEVEL_POINT); assignToAppearance(); } public void onMin_BASE_LEVEL_LINEAR() { getTexture().setMinFilter(Texture.BASE_LEVEL_LINEAR); assignToAppearance(); } public void onMin_MULTI_LEVEL_POINT() { getTexture().setMinFilter(Texture.MULTI_LEVEL_POINT); assignToAppearance(); } public void onMin_MULTI_LEVEL_LINEAR() { getTexture().setMinFilter(Texture.MULTI_LEVEL_LINEAR); assignToAppearance(); } public void onBASE_LEVEL() { getTexture().setMipMapMode(Texture.BASE_LEVEL); assignToAppearance(); } public void onMULTI_LEVEL_MIPMAP() { getTexture().setMipMapMode(Texture.MULTI_LEVEL_MIPMAP); assignToAppearance(); } } class TransparencyComponent extends AppearanceComponent { public TransparencyComponent(Appearance app) { super(app); } protected int[] getCapabilities() { return new int[] { TransparencyAttributes.ALLOW_MODE_WRITE, TransparencyAttributes.ALLOW_VALUE_WRITE }; } protected NodeComponent createComponent() { return (NodeComponent) new TransparencyAttributes(); } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_TRANSPARENCY_ATTRIBUTES_WRITE); } protected void assignToAppearance() { m_Appearance.setTransparencyAttributes((TransparencyAttributes) m_NodeComponent); } protected void assignNullToAppearance() { m_Appearance.setTransparencyAttributes(null); } protected String getName() { return "Transparency"; } protected String[] getMenuItemNames() { return new String[] { "-", "Transparency", "-", "0", "0point2", "0point5", "0point8", "1", "-", "Mode", "-", "NONE", "FASTEST", "NICEST", "SCREEN_DOOR", "BLENDED" }; } private TransparencyAttributes getTransparencyAttributes() { return (TransparencyAttributes) m_NodeComponent; } public void on0() { getTransparencyAttributes().setTransparency(0); } public void on0point2() { getTransparencyAttributes().setTransparency(0.2f); } public void on0point5() { getTransparencyAttributes().setTransparency(0.5f); } public void on0point8() { getTransparencyAttributes().setTransparency(0.8f); } public void on1() { getTransparencyAttributes().setTransparency(1); } public void onNONE() { getTransparencyAttributes().setTransparencyMode(TransparencyAttributes.NONE); } public void onFASTEST() { getTransparencyAttributes().setTransparencyMode(TransparencyAttributes.FASTEST); } public void onNICEST() { getTransparencyAttributes().setTransparencyMode(TransparencyAttributes.NICEST); } public void onSCREEN_DOOR() { getTransparencyAttributes().setTransparencyMode(TransparencyAttributes.SCREEN_DOOR); } public void onBLENDED() { getTransparencyAttributes().setTransparencyMode(TransparencyAttributes.BLENDED); } } abstract class AppearanceComponent implements ActionListener { protected NodeComponent m_NodeComponent = null; protected Appearance m_Appearance = null; public AppearanceComponent(Appearance app) { m_Appearance = app; m_NodeComponent = createComponent(); int[] capsArray = getCapabilities(); if (capsArray != null) { for (int n = 0; n < capsArray.length; n++) m_NodeComponent.setCapability(capsArray[n]); } setAppearanceCapability(); assignToAppearance(); } abstract protected int[] getCapabilities(); abstract protected void setAppearanceCapability(); abstract protected NodeComponent createComponent(); abstract protected void assignToAppearance(); abstract protected void assignNullToAppearance(); abstract protected String getName(); abstract protected String[] getMenuItemNames(); public Menu createMenu() { String szName = getName(); String[] itemArray = getMenuItemNames(); ActionListener listener = this; Menu menu = new Menu(szName); MenuItem menuItem = new MenuItem("Null"); menuItem.addActionListener(listener); menu.add(menuItem); menuItem = new MenuItem("Non_Null"); menuItem.addActionListener(listener); menu.add(menuItem); for (int n = 0; n < itemArray.length; n++) { menuItem = new MenuItem(itemArray[n]); menuItem.addActionListener(listener); menu.add(menuItem); } return menu; } public void onNull() { assignNullToAppearance(); } public void onNon_Null() { assignToAppearance(); } public void actionPerformed(ActionEvent event) { // (primitive) menu command dispatch Class classObject = getClass(); Method[] methodArray = classObject.getMethods(); for (int n = methodArray.length - 1; n >= 0; n--) { if (("on" + event.getActionCommand()).equals(methodArray[n].getName())) { try { methodArray[n].invoke(this, null); } catch (InvocationTargetException ie) { System.err.println("Warning. Menu handler threw exception: " + ie.getTargetException()); } catch (Exception e) { System.err.println("Warning. Menu dispatch exception: " + e); } return; } } } } class ColoringComponent extends AppearanceComponent { public ColoringComponent(Appearance app) { super(app); } protected int[] getCapabilities() { return new int[] { ColoringAttributes.ALLOW_COLOR_WRITE, ColoringAttributes.ALLOW_SHADE_MODEL_WRITE }; } protected NodeComponent createComponent() { return (NodeComponent) new ColoringAttributes(); } protected void setAppearanceCapability() { m_Appearance.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_WRITE); } protected void assignToAppearance() { m_Appearance.setColoringAttributes((ColoringAttributes) m_NodeComponent); } protected void assignNullToAppearance() { m_Appearance.setColoringAttributes(null); } protected String getName() { return "Coloring"; } protected String[] getMenuItemNames() { return new String[] { "-", "Color", "-", "Red", "Green", "Blue", "-", "Shade Model", "-", "Fastest", "Nicest", "Flat", "Gouraud" }; } private ColoringAttributes getColoringAttributes() { return (ColoringAttributes) m_NodeComponent; } public void onRed() { getColoringAttributes().setColor(1, 0, 0); } public void onGreen() { getColoringAttributes().setColor(0, 1, 0); } public void onBlue() { getColoringAttributes().setColor(0, 0, 1); } public void onFastest() { getColoringAttributes().setShadeModel(ColoringAttributes.FASTEST); } public void onNicest() { getColoringAttributes().setShadeModel(ColoringAttributes.NICEST); } public void onFlat() { getColoringAttributes().setShadeModel(ColoringAttributes.SHADE_FLAT); } public void onGouraud() { getColoringAttributes().setShadeModel(ColoringAttributes.SHADE_GOURAUD); } } //File: hand1.obj /* # Mon Jun 02 17:09:33 1997 # # g hand1 v -0.551223 0.307562 -3.946050 v -0.215465 0.030475 -3.703516 v -0.059140 0.068255 -1.551531 v -0.487235 0.455792 -4.006029 v -0.168743 0.090975 -3.755638 v -0.338689 0.569450 -4.244848 v -0.639211 0.502297 -4.165243 v -0.760687 0.647871 -4.482797 v -0.529792 0.073768 -3.945949 v -0.707612 0.258064 -4.192451 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