Source Code Cross Referenced for CoordinateInterpolator.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: CoordinateInterpolator.java,v $
003:         *
004:         *      @(#)CoordinateInterpolator.java 1.22 98/11/05 20:34:22
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:        package org.jdesktop.j3d.loaders.vrml97.impl;
041:
042:        /**  Description of the Class */
043:        public class CoordinateInterpolator extends Interpolator {
044:
045:            // eventIn
046:            SFFloat fraction;
047:            // exposedField
048:            // MFFloat key; // From Interpolator
049:            MFVec3f keyValue;
050:            // eventOut
051:            MFVec3f value;
052:
053:            /**
054:             *Constructor for the CoordinateInterpolator object
055:             *
056:             *@param  loader Description of the Parameter
057:             */
058:            public CoordinateInterpolator(Loader loader) {
059:                super (loader);
060:                fraction = new SFFloat(0.0f);
061:
062:                //there should be empty constructors for all fields.
063:                key = new MFFloat();
064:                keyValue = new MFVec3f();
065:                value = new MFVec3f();
066:
067:                initFields();
068:
069:            }
070:
071:            /**
072:             *Constructor for the CoordinateInterpolator object
073:             *
074:             *@param  loader Description of the Parameter
075:             *@param  fraction Description of the Parameter
076:             *@param  key Description of the Parameter
077:             *@param  keyValue Description of the Parameter
078:             */
079:            public CoordinateInterpolator(Loader loader, SFFloat fraction,
080:                    MFFloat key, MFVec3f keyValue) {
081:                super (loader);
082:
083:                this .fraction = fraction;
084:                this .key = key;
085:                this .keyValue = keyValue;
086:                initFields();
087:            }
088:
089:            /**
090:             *  Description of the Method
091:             *
092:             *@param  eventInName Description of the Parameter
093:             *@param  time Description of the Parameter
094:             */
095:            public void notifyMethod(String eventInName, double time) {
096:                if (eventInName.equals("fraction")) {
097:                    if (key.mfloat.length > 0) {
098:                        setIndexFract(fraction.value);
099:                        int valsPerKey = keyValue.size / key.mfloat.length;
100:                        if (value.size != valsPerKey) {
101:                            value.checkSize(valsPerKey, false);
102:                            value.size = valsPerKey;
103:                        }
104:                        int indL = iL * valsPerKey;
105:                        int indH = (iL + 1) * valsPerKey;
106:                        int v1xi;
107:                        int v1yi;
108:                        int v1zi;
109:                        int v2xi;
110:                        int v2yi;
111:                        int v2zi;
112:                        float v1x;
113:                        float v1y;
114:                        float v1z;
115:                        float v2x;
116:                        float v2y;
117:                        float v2z;
118:                        float vals[] = keyValue.value;
119:                        for (int j = 0; j < valsPerKey; j += 3) {
120:                            // since were stack based, maybe this
121:                            // can be that much more optimal, ie
122:                            // inc, pop, push, inc -> inc, inc
123:                            v1xi = (indL) + j;
124:                            v1yi = v1xi + 1;
125:                            v1zi = v1yi + 1;
126:                            //v2xi = v1xi+valsPerKey;
127:                            v2xi = (indH) + j;
128:                            v2yi = v2xi + 1;
129:                            v2zi = v2yi + 1;
130:                            v1x = vals[v1xi];
131:                            v1y = vals[v1yi];
132:                            v1z = vals[v1zi];
133:                            v2x = vals[v2xi];
134:                            v2y = vals[v2yi];
135:                            v2z = vals[v2zi];
136:                            value.value[j + 0] = (v1x * af) + (v2x * f);
137:                            value.value[j + 1] = (v1y * af) + (v2y * f);
138:                            value.value[j + 2] = (v1z * af) + (v2z * f);
139:                        }
140:                    }
141:                    value.route();
142:                }
143:
144:            }
145:
146:            /**
147:             *  Gets the type attribute of the CoordinateInterpolator object
148:             *
149:             *@return  The type value
150:             */
151:            public String getType() {
152:                return "CoordinateInterpolator";
153:            }
154:
155:            /**
156:             *  Description of the Method
157:             *
158:             *@return  Description of the Return Value
159:             */
160:            public Object clone() {
161:                return new CoordinateInterpolator(loader, (SFFloat) fraction
162:                        .clone(), (MFFloat) key, (MFVec3f) keyValue);
163:            }
164:
165:            /**  Description of the Method */
166:            void initFields() {
167:                fraction.init(this , FieldSpec, Field.EVENT_IN, "fraction");
168:                key.init(this , FieldSpec, Field.EXPOSED_FIELD, "key");
169:                keyValue.init(this , FieldSpec, Field.EXPOSED_FIELD, "keyValue");
170:                value.init(this , FieldSpec, Field.EVENT_OUT, "value");
171:            }
172:
173:        }
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