Source Code Cross Referenced for Fog.java in  » 6.0-JDK-Modules » java-3d » org » jdesktop » j3d » loaders » vrml97 » impl » 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.loaders.vrml97.impl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * $RCSfile: Fog.java,v $
003:         *
004:         *      @(#)Fog.java 1.19 98/11/05 20:34:28
005:         *
006:         * Copyright (c) 1996-1998 Sun Microsystems, Inc. All Rights Reserved.
007:         *
008:         * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
009:         * modify and redistribute this software in source and binary code form,
010:         * provided that i) this copyright notice and license appear on all copies of
011:         * the software; and ii) Licensee does not utilize the software in a manner
012:         * which is disparaging to Sun.
013:         *
014:         * This software is provided "AS IS," without a warranty of any kind. ALL
015:         * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
016:         * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
017:         * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
018:         * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
019:         * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
020:         * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
021:         * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
022:         * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
023:         * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
024:         * POSSIBILITY OF SUCH DAMAGES.
025:         *
026:         * This software is not designed or intended for use in on-line control of
027:         * aircraft, air traffic, aircraft navigation or aircraft communications; or in
028:         * the design, construction, operation or maintenance of any nuclear
029:         * facility. Licensee represents and warrants that it will not use or
030:         * redistribute the Software for such purposes.
031:         *
032:         * $Revision: 1.2 $
033:         * $Date: 2005/02/03 23:06:55 $
034:         * $State: Exp $
035:         */
036:        /*
037:         * @Author: Rick Goldberg
038:         * @Author: Doug Gehringer
039:         *
040:         */
041:        package org.jdesktop.j3d.loaders.vrml97.impl;
042:
043:        import javax.media.j3d.ExponentialFog;
044:        import javax.media.j3d.LinearFog;
045:
046:        /**  Description of the Class */
047:        public class Fog extends BindableNode {
048:
049:            // In BindableNode
050:            // eventIn
051:            //SFBool set_bind;
052:            // eventOut
053:            //SFBool isBound;
054:
055:            // exposedField
056:            SFColor color;
057:            SFString fogType;
058:            SFFloat visibilityRange;
059:
060:            // The fog does not have an impl which gets added to the tree directly
061:            // so implNode=null
062:
063:            // When the fog is bound, it's fogImpl is attached to the browserRoot
064:            javax.media.j3d.BranchGroup fogImpl;
065:            javax.media.j3d.Fog fog;
066:
067:            /**
068:             *Constructor for the Fog object
069:             *
070:             *@param  loader Description of the Parameter
071:             */
072:            public Fog(Loader loader) {
073:                super (loader, loader.getFogStack());
074:
075:                // exposedFields
076:                color = new SFColor(1.0f, 1.0f, 1.0f);
077:                fogType = new SFString("LINEAR");
078:                visibilityRange = new SFFloat(0.0f);
079:
080:                loader.addFog(this );
081:                initFields();
082:
083:            }
084:
085:            /**
086:             *Constructor for the Fog object
087:             *
088:             *@param  loader Description of the Parameter
089:             *@param  bind Description of the Parameter
090:             *@param  bindTime Description of the Parameter
091:             *@param  isBound Description of the Parameter
092:             *@param  color Description of the Parameter
093:             *@param  fogType Description of the Parameter
094:             *@param  visibilityRange Description of the Parameter
095:             */
096:            Fog(Loader loader, SFBool bind, SFTime bindTime, SFBool isBound,
097:                    SFColor color, SFString fogType, SFFloat visibilityRange) {
098:                super (loader, loader.getFogStack(), bind, bindTime, isBound);
099:
100:                this .color = color;
101:                this .fogType = fogType;
102:                this .visibilityRange = visibilityRange;
103:
104:                loader.addFog(this );
105:                initFields();
106:            }
107:
108:            /**  Description of the Method */
109:            public void initImpl() {
110:                //TODO: add event handlers for fogType eventIns.
111:                //TOTO: move setCapabilities() event handler to be set only if ROUTE
112:                if (fogType.getValue().equals("LINEAR")) {
113:                    LinearFog linearFog = new LinearFog(color.color[0],
114:                            color.color[1], color.color[2]);
115:                    linearFog.setCapability(LinearFog.ALLOW_DISTANCE_WRITE);
116:                    linearFog.setBackDistance(visibilityRange.getValue());
117:                    linearFog
118:                            .setFrontDistance(visibilityRange.getValue() / 10.0);
119:                    fog = linearFog;
120:                } else {
121:                    ExponentialFog expFog = new ExponentialFog(color.color[0],
122:                            color.color[1], color.color[2]);
123:                    expFog.setCapability(ExponentialFog.ALLOW_DENSITY_WRITE);
124:                    expFog.setDensity(visibilityRange.getValue());
125:                    fog = expFog;
126:                }
127:
128:                // TODO: do only if ROUTE
129:                fog.setCapability(javax.media.j3d.Fog.ALLOW_COLOR_READ);
130:                fog.setCapability(javax.media.j3d.Fog.ALLOW_COLOR_WRITE);
131:
132:                fogImpl = new RGroup();
133:                if (visibilityRange.getValue() == 0.0) {
134:                    fog.setInfluencingBounds(loader.zeroBounds);
135:                } else {
136:                    fog.setInfluencingBounds(loader.infiniteBounds);
137:                }
138:                fogImpl.addChild(fog);
139:                implReady = true;
140:            }
141:
142:            /**
143:             *  Gets the fogImpl attribute of the Fog object
144:             *
145:             *@return  The fogImpl value
146:             */
147:            public javax.media.j3d.BranchGroup getFogImpl() {
148:                return fogImpl;
149:            }
150:
151:            /**  Description of the Method */
152:            public void initFields() {
153:                initBindableFields();
154:                color.init(this , FieldSpec, Field.EXPOSED_FIELD, "color");
155:                fogType.init(this , FieldSpec, Field.EXPOSED_FIELD, "fogType");
156:                visibilityRange.init(this , FieldSpec, Field.EXPOSED_FIELD,
157:                        "visibilityRange");
158:            }
159:
160:            /**
161:             *  Description of the Method
162:             *
163:             *@return  Description of the Return Value
164:             */
165:            public Object clone() {
166:                return new Fog(loader, (SFBool) bind.clone(),
167:                        (SFTime) bindTime, (SFBool) isBound, (SFColor) color
168:                                .clone(), (SFString) fogType.clone(),
169:                        (SFFloat) visibilityRange.clone());
170:            }
171:
172:            /**
173:             *  Description of the Method
174:             *
175:             *@return  Description of the Return Value
176:             */
177:            public vrml.BaseNode wrap() {
178:                return new org.jdesktop.j3d.loaders.vrml97.node.Fog(this );
179:            }
180:
181:            /**
182:             *  Gets the type attribute of the Fog object
183:             *
184:             *@return  The type value
185:             */
186:            public String getType() {
187:                return "Fog";
188:            }
189:
190:        }
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