Source Code Cross Referenced for JInternalWorld.java in  » 6.0-JDK-Modules » java-3d » org » jdesktop » j3d » examples » jcanvas3d » 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.jcanvas3d 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $RCSfile: JInternalWorld.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: 1.6 $
041:         * $Date: 2007/02/09 17:21:42 $
042:         * $State: Exp $
043:         */
044:
045:        package org.jdesktop.j3d.examples.jcanvas3d;
046:
047:        import com.sun.j3d.exp.swing.JCanvas3D;
048:        import com.sun.j3d.utils.behaviors.mouse.MouseRotate;
049:        import com.sun.j3d.utils.universe.SimpleUniverse;
050:
051:        import java.awt.BorderLayout;
052:        import java.awt.Component;
053:        import java.awt.Dimension;
054:        import java.awt.Font;
055:
056:        import javax.media.j3d.Alpha;
057:        import javax.media.j3d.AmbientLight;
058:        import javax.media.j3d.Appearance;
059:        import javax.media.j3d.BoundingSphere;
060:        import javax.media.j3d.BranchGroup;
061:        import javax.media.j3d.DirectionalLight;
062:        import javax.media.j3d.Font3D;
063:        import javax.media.j3d.FontExtrusion;
064:        import javax.media.j3d.GraphicsConfigTemplate3D;
065:        import javax.media.j3d.Material;
066:        import javax.media.j3d.RotationInterpolator;
067:        import javax.media.j3d.Shape3D;
068:        import javax.media.j3d.Text3D;
069:        import javax.media.j3d.Transform3D;
070:        import javax.media.j3d.TransformGroup;
071:
072:        import javax.swing.JInternalFrame;
073:        import javax.vecmath.Color3f;
074:
075:        import javax.vecmath.Point3d;
076:        import javax.vecmath.Point3f;
077:        import javax.vecmath.Vector3d;
078:        import javax.vecmath.Vector3f;
079:
080:        /**
081:         * This is a JInternalFrame holding an universe, which can be configured to
082:         * be interactive -that is, where user can interact with object- or automatic
083:         * -where the object spins only-. When in automatic mode, spinning speed is
084:         * changed so that they look less the same. Changing the spinning start angle
085:         * helps unsynchronizing the rotations too.
086:         *
087:         * @author pepe
088:         */
089:        public class JInternalWorld extends JInternalFrame {
090:            /** DOCUMENT ME! */
091:            private Component comp;
092:
093:            /**
094:             * Creates a new JInternalWorld object.
095:             *
096:             * @param isInteractive tells the world to be constructed as interactive
097:             * @param isDelayed tells the rotator to start at a random alpha.
098:             */
099:            public JInternalWorld(boolean isInteractive, boolean isDelayed,
100:                    boolean isRandom) {
101:                super ();
102:                setSize(256, 256);
103:                setClosable(true);
104:
105:                JCanvas3D canvas = new JCanvas3D(new GraphicsConfigTemplate3D());
106:
107:                if (true == isDelayed) {
108:                    canvas.setResizeMode(canvas.RESIZE_DELAYED);
109:                }
110:
111:                comp = canvas;
112:
113:                Dimension dim = new Dimension(256, 256);
114:                comp.setPreferredSize(dim);
115:                comp.setSize(dim);
116:                getContentPane().setLayout(new BorderLayout());
117:                getContentPane().add(comp, BorderLayout.CENTER);
118:                pack();
119:
120:                // Create a simple scene and attach it to the virtual universe
121:                BranchGroup scene = createSceneGraph(isInteractive, isRandom);
122:                SimpleUniverse universe = new SimpleUniverse(canvas
123:                        .getOffscreenCanvas3D()); //TODO: this is awful and must not be done like that in final version
124:
125:                // This will move the ViewPlatform back a bit so the
126:                // objects in the scene can be viewed.
127:                universe.getViewingPlatform().setNominalViewingTransform();
128:                universe.getViewer().getView().setMinimumFrameCycleTime(30);
129:                universe.addBranchGraph(scene);
130:            }
131:
132:            /**
133:             * Creates the world. Only exists to cleanup the source a bit
134:             *
135:             * @param isInteractive tells the world to be constructed as interactive
136:             * @param isDelayed tells the rotator to start at a random alpha.
137:             *
138:             * @return a global branchgroup containing the world, as desired.
139:             */
140:            private BranchGroup createSceneGraph(boolean isInteractive,
141:                    boolean isRandom) {
142:                // Create the root of the branch graph
143:                BranchGroup objRoot = new BranchGroup();
144:
145:                // Create the TransformGroup node and initialize it to the
146:                // identity. Enable the TRANSFORM_WRITE capability so that
147:                // our behavior code can modify it at run time. Add it to
148:                // the root of the subgraph.
149:                TransformGroup objTrans = new TransformGroup();
150:                Transform3D t3dTrans = new Transform3D();
151:                t3dTrans.setTranslation(new Vector3d(0, 0, -1));
152:                objTrans.setTransform(t3dTrans);
153:
154:                TransformGroup objRot = new TransformGroup();
155:                objRot.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
156:                objRoot.addChild(objTrans);
157:                objTrans.addChild(objRot);
158:
159:                // Create a simple Shape3D node; add it to the scene graph.
160:                // issue 383: changed the cube to a text, so that any graphical problem related to Yup can be seen.
161:                Font3D f3d = new Font3D(new Font("dialog", Font.PLAIN, 1),
162:                        new FontExtrusion());
163:                Text3D text = new Text3D(f3d, "JCanvas3D", new Point3f(-2.3f,
164:                        -0.5f, 0.f));
165:
166:                Shape3D sh = new Shape3D();
167:                Appearance app = new Appearance();
168:                Material mm = new Material();
169:                mm.setLightingEnable(true);
170:                app.setMaterial(mm);
171:                sh.setGeometry(text);
172:                sh.setAppearance(app);
173:
174:                objRot.addChild(sh);
175:
176:                BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,
177:                        0.0, 0.0), 100.0);
178:
179:                // Set up the ambient light
180:                Color3f ambientColor = new Color3f(0.3f, 0.3f, 0.3f);
181:                AmbientLight ambientLightNode = new AmbientLight(ambientColor);
182:                ambientLightNode.setInfluencingBounds(bounds);
183:                objRoot.addChild(ambientLightNode);
184:
185:                // Set up the directional lights
186:                Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
187:                Vector3f light1Direction = new Vector3f(1.0f, 1.0f, 1.0f);
188:                Color3f light2Color = new Color3f(1.0f, 1.0f, 0.9f);
189:                Vector3f light2Direction = new Vector3f(-1.0f, -1.0f, -1.0f);
190:
191:                DirectionalLight light1 = new DirectionalLight(light1Color,
192:                        light1Direction);
193:                light1.setInfluencingBounds(bounds);
194:                objRoot.addChild(light1);
195:
196:                DirectionalLight light2 = new DirectionalLight(light2Color,
197:                        light2Direction);
198:                light2.setInfluencingBounds(bounds);
199:                objRoot.addChild(light2);
200:
201:                if (true == isInteractive) {
202:                    MouseRotate mr = new MouseRotate(comp, objRot);
203:                    mr.setSchedulingBounds(bounds);
204:                    mr.setSchedulingInterval(1);
205:                    objRoot.addChild(mr);
206:                } else {
207:                    // Create a new Behavior object that will perform the
208:                    // desired operation on the specified transform and add
209:                    // it into the scene graph.
210:                    Transform3D yAxis = new Transform3D();
211:
212:                    // rotation speed is randomized a bit so that it does not go at the same speed on every canvases,
213:                    // which will make it more natural and express the differences between every present universes
214:                    Alpha rotationAlpha = null;
215:
216:                    if (true == isRandom) {
217:                        int duration = Math.max(2000,
218:                                (int) (Math.random() * 8000.));
219:                        rotationAlpha = new Alpha(-1,
220:                                (int) ((double) duration * Math.random()), 0,
221:                                duration, 0, 0);
222:                    } else {
223:                        rotationAlpha = new Alpha(-1, 4000);
224:                    }
225:
226:                    RotationInterpolator rotator = new RotationInterpolator(
227:                            rotationAlpha, objRot, yAxis, 0.0f,
228:                            (float) Math.PI * 2.0f);
229:
230:                    rotator.setSchedulingBounds(bounds);
231:                    objRoot.addChild(rotator);
232:                }
233:
234:                return objRoot;
235:            }
236:
237:        }
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