Source Code Cross Referenced for LOD.java in  » 6.0-JDK-Modules » java-3d » org » jdesktop » j3d » examples » lod » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » java 3d » org.jdesktop.j3d.examples.lod 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $RCSfile: LOD.java,v $
003:         *
004:         * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * Redistribution and use in source and binary forms, with or without
007:         * modification, are permitted provided that the following conditions
008:         * are met:
009:         *
010:         * - Redistribution of source code must retain the above copyright
011:         *   notice, this list of conditions and the following disclaimer.
012:         *
013:         * - Redistribution in binary form must reproduce the above copyright
014:         *   notice, this list of conditions and the following disclaimer in
015:         *   the documentation and/or other materials provided with the
016:         *   distribution.
017:         *
018:         * Neither the name of Sun Microsystems, Inc. or the names of
019:         * contributors may be used to endorse or promote products derived
020:         * from this software without specific prior written permission.
021:         *
022:         * This software is provided "AS IS," without a warranty of any
023:         * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
024:         * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
025:         * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
026:         * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
027:         * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
028:         * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
029:         * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
030:         * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
031:         * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
032:         * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
033:         * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
034:         * POSSIBILITY OF SUCH DAMAGES.
035:         *
036:         * You acknowledge that this software is not designed, licensed or
037:         * intended for use in the design, construction, operation or
038:         * maintenance of any nuclear facility.
039:         *
040:         * $Revision: 1.3 $
041:         * $Date: 2007/02/09 17:21:43 $
042:         * $State: Exp $
043:         */
044:
045:        package org.jdesktop.j3d.examples.lod;
046:
047:        import com.sun.j3d.utils.geometry.*;
048:        import com.sun.j3d.utils.behaviors.vp.*;
049:        import com.sun.j3d.utils.universe.*;
050:        import javax.media.j3d.*;
051:        import javax.vecmath.*;
052:        import java.awt.GraphicsConfiguration;
053:
054:        /**
055:         * Simple Java 3D example program to display a spinning cube.
056:         */
057:        public class LOD extends javax.swing.JFrame {
058:
059:            private SimpleUniverse univ = null;
060:            private BranchGroup scene = null;
061:
062:            public BranchGroup createSceneGraph() {
063:                // Create the root of the branch graph
064:                BranchGroup objRoot = new BranchGroup();
065:
066:                createLights(objRoot);
067:
068:                // Create the transform group node and initialize it to the
069:                // identity.  Enable the TRANSFORM_WRITE capability so that
070:                // our behavior code can modify it at runtime.  Add it to the
071:                // root of the subgraph.
072:                TransformGroup objTrans = new TransformGroup();
073:                objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
074:                objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
075:                objRoot.addChild(objTrans);
076:
077:                // Create a switch to hold the different levels of detail
078:                Switch sw = new Switch(0);
079:                sw.setCapability(javax.media.j3d.Switch.ALLOW_SWITCH_READ);
080:                sw.setCapability(javax.media.j3d.Switch.ALLOW_SWITCH_WRITE);
081:
082:                // Create several levels for the switch, with less detailed
083:                // spheres for the ones which will be used when the sphere is
084:                // further away
085:                sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 40));
086:                sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 20));
087:                sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 10));
088:                sw.addChild(new Sphere(0.4f, Sphere.GENERATE_NORMALS, 3));
089:
090:                // Add the switch to the main group
091:                objTrans.addChild(sw);
092:
093:                BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,
094:                        0.0, 0.0), 100.0);
095:
096:                // set up the DistanceLOD behavior
097:                float[] distances = new float[3];
098:                distances[0] = 5.0f;
099:                distances[1] = 10.0f;
100:                distances[2] = 25.0f;
101:                DistanceLOD lod = new DistanceLOD(distances);
102:                lod.addSwitch(sw);
103:                lod.setSchedulingBounds(bounds);
104:                objTrans.addChild(lod);
105:
106:                // Have Java 3D perform optimizations on this scene graph.
107:                objRoot.compile();
108:
109:                return objRoot;
110:            }
111:
112:            private void createLights(BranchGroup graphRoot) {
113:
114:                // Create a bounds for the light source influence
115:                BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,
116:                        0.0, 0.0), 100.0);
117:
118:                // Set up the global, ambient light
119:                Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);
120:                AmbientLight aLgt = new AmbientLight(alColor);
121:                aLgt.setInfluencingBounds(bounds);
122:                graphRoot.addChild(aLgt);
123:
124:                // Set up the directional (infinite) light source
125:                Color3f lColor1 = new Color3f(0.9f, 0.9f, 0.9f);
126:                Vector3f lDir1 = new Vector3f(1.0f, 1.0f, -1.0f);
127:                DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
128:                lgt1.setInfluencingBounds(bounds);
129:                graphRoot.addChild(lgt1);
130:            }
131:
132:            private Canvas3D createUniverse() {
133:                // Get the preferred graphics configuration for the default screen
134:                GraphicsConfiguration config = SimpleUniverse
135:                        .getPreferredConfiguration();
136:
137:                // Create a Canvas3D using the preferred configuration
138:                Canvas3D c = new Canvas3D(config);
139:
140:                // Create simple universe with view branch
141:                univ = new SimpleUniverse(c);
142:
143:                // only add zoom mouse behavior to viewingPlatform
144:                ViewingPlatform viewingPlatform = univ.getViewingPlatform();
145:
146:                // This will move the ViewPlatform back a bit so the
147:                // objects in the scene can be viewed.
148:                viewingPlatform.setNominalViewingTransform();
149:
150:                // add orbit behavior to the ViewingPlatform, but disable rotate
151:                // and translate
152:                OrbitBehavior orbit = new OrbitBehavior(c,
153:                        OrbitBehavior.REVERSE_ZOOM
154:                                | OrbitBehavior.DISABLE_ROTATE
155:                                | OrbitBehavior.DISABLE_TRANSLATE);
156:                BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,
157:                        0.0, 0.0), 100.0);
158:                orbit.setSchedulingBounds(bounds);
159:                viewingPlatform.setViewPlatformBehavior(orbit);
160:
161:                // This will move the ViewPlatform back a bit so the
162:                // objects in the scene can be viewed.
163:                univ.getViewingPlatform().setNominalViewingTransform();
164:
165:                // Ensure at least 5 msec per frame (i.e., < 200Hz)
166:                univ.getViewer().getView().setMinimumFrameCycleTime(5);
167:
168:                return c;
169:            }
170:
171:            /**
172:             * Creates new form LOD
173:             */
174:            public LOD() {
175:                // Initialize the GUI components
176:                initComponents();
177:
178:                // Create Canvas3D and SimpleUniverse; add canvas to drawing panel
179:                Canvas3D c = createUniverse();
180:                drawingPanel.add(c, java.awt.BorderLayout.CENTER);
181:
182:                // Create the content branch and add it to the universe
183:                scene = createSceneGraph();
184:                univ.addBranchGraph(scene);
185:            }
186:
187:            // ----------------------------------------------------------------
188:
189:            /** This method is called from within the constructor to
190:             * initialize the form.
191:             * WARNING: Do NOT modify this code. The content of this method is
192:             * always regenerated by the Form Editor.
193:             */
194:            // <editor-fold defaultstate="collapsed" desc=" Generated Code ">//GEN-BEGIN:initComponents
195:            private void initComponents() {
196:                drawingPanel = new javax.swing.JPanel();
197:
198:                setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
199:                setTitle("LOD");
200:                drawingPanel.setLayout(new java.awt.BorderLayout());
201:
202:                drawingPanel.setPreferredSize(new java.awt.Dimension(700, 700));
203:                getContentPane()
204:                        .add(drawingPanel, java.awt.BorderLayout.CENTER);
205:
206:                pack();
207:            }// </editor-fold>//GEN-END:initComponents
208:
209:            /**
210:             * @param args the command line arguments
211:             */
212:            public static void main(String args[]) {
213:                java.awt.EventQueue.invokeLater(new Runnable() {
214:                    public void run() {
215:                        new LOD().setVisible(true);
216:                    }
217:                });
218:            }
219:
220:            // Variables declaration - do not modify//GEN-BEGIN:variables
221:            private javax.swing.JPanel drawingPanel;
222:            // End of variables declaration//GEN-END:variables
223:
224:        }
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