| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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4 // * 4 // * *
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17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
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24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // 26 //
27 // 27 //
28 // 28 //
29 /*----------------------------HEPVis---------- 29 /*----------------------------HEPVis----------------------------------------*/
30 /* 30 /* */
31 /* Node: SoBox 31 /* Node: SoBox */
32 /* Description: Represents the G4Box Gean 32 /* Description: Represents the G4Box Geant Geometry entity */
33 /* Author: Joe Boudreau Nov 11 1996 33 /* Author: Joe Boudreau Nov 11 1996 */
34 /* 34 /* */
35 /*-------------------------------------------- 35 /*--------------------------------------------------------------------------*/
36 36
37 // this : 37 // this :
38 #include "HEPVis/nodes/SoBox.h" 38 #include "HEPVis/nodes/SoBox.h"
39 39
40 #include <assert.h> 40 #include <assert.h>
41 #include <cmath> 41 #include <cmath>
42 42
43 #include <Inventor/SbBox.h> 43 #include <Inventor/SbBox.h>
44 #include <Inventor/fields/SoSFFloat.h> 44 #include <Inventor/fields/SoSFFloat.h>
45 #include <Inventor/misc/SoChildList.h> 45 #include <Inventor/misc/SoChildList.h>
46 #include <Inventor/nodes/SoSeparator.h> 46 #include <Inventor/nodes/SoSeparator.h>
47 #include <Inventor/nodes/SoCube.h> 47 #include <Inventor/nodes/SoCube.h>
48 #include <Inventor/nodes/SoScale.h> 48 #include <Inventor/nodes/SoScale.h>
49 #include <Inventor/actions/SoAction.h> 49 #include <Inventor/actions/SoAction.h>
50 #include <Inventor/nodes/SoIndexedFaceSet.h> 50 #include <Inventor/nodes/SoIndexedFaceSet.h>
51 #include <Inventor/SoPrimitiveVertex.h> 51 #include <Inventor/SoPrimitiveVertex.h>
52 #include <Inventor/elements/SoTextureCoordinat 52 #include <Inventor/elements/SoTextureCoordinateElement.h>
53 53
54 // This statement is required 54 // This statement is required
55 SO_NODE_SOURCE(SoBox) 55 SO_NODE_SOURCE(SoBox)
56 56
57 // Constructor 57 // Constructor
58 SoBox::SoBox() { 58 SoBox::SoBox() {
59 // This statement is required 59 // This statement is required
60 SO_NODE_CONSTRUCTOR(SoBox); 60 SO_NODE_CONSTRUCTOR(SoBox);
61 61
62 // Data fields are initialized like this: 62 // Data fields are initialized like this:
63 SO_NODE_ADD_FIELD(fDx, (1.0)) 63 SO_NODE_ADD_FIELD(fDx, (1.0));
64 SO_NODE_ADD_FIELD(fDy, (1.0)) 64 SO_NODE_ADD_FIELD(fDy, (1.0));
65 SO_NODE_ADD_FIELD(fDz, (1.0)) 65 SO_NODE_ADD_FIELD(fDz, (1.0));
66 SO_NODE_ADD_FIELD(alternateRep, (NULL) 66 SO_NODE_ADD_FIELD(alternateRep, (NULL));
67 children = new SoChildList(this); 67 children = new SoChildList(this);
68 } 68 }
69 69
70 // Destructor 70 // Destructor
71 SoBox::~SoBox() { 71 SoBox::~SoBox() {
72 delete children; 72 delete children;
73 } 73 }
74 74
75 75
76 // initClass 76 // initClass
77 void SoBox::initClass(){ 77 void SoBox::initClass(){
78 // This statement is required. 78 // This statement is required.
79 static bool first = true; 79 static bool first = true;
80 if (first) { 80 if (first) {
81 first = false; 81 first = false;
82 SO_NODE_INIT_CLASS(SoBox,SoShape,"Shape"); 82 SO_NODE_INIT_CLASS(SoBox,SoShape,"Shape");
83 } 83 }
84 } 84 }
85 85
86 86
87 // generatePrimitives 87 // generatePrimitives
88 void SoBox::generatePrimitives(SoAction *actio 88 void SoBox::generatePrimitives(SoAction *action) {
89 // This variable is used to store each verte 89 // This variable is used to store each vertex
90 SoPrimitiveVertex pv; 90 SoPrimitiveVertex pv;
91 91
92 // Access the stat from the action 92 // Access the stat from the action
93 SoState *state = action->getState(); 93 SoState *state = action->getState();
94 94
95 // See if we have to use a texture coordinat 95 // See if we have to use a texture coordinate function,
96 // rather than generating explicit texture c 96 // rather than generating explicit texture coordinates.
97 SbBool useTexFunction= 97 SbBool useTexFunction=
98 (SoTextureCoordinateElement::getType(state 98 (SoTextureCoordinateElement::getType(state) ==
99 SoTextureCoordinateElement::FUNCTION); 99 SoTextureCoordinateElement::FUNCTION);
100 100
101 // If we need to generate texture coordinate 101 // If we need to generate texture coordinates with a function,
102 // we'll need an SoGLTextureCoordinateElemen 102 // we'll need an SoGLTextureCoordinateElement. Otherwise, we'll
103 // set up the coordinates directly. 103 // set up the coordinates directly.
104 const SoTextureCoordinateElement *tce = NULL 104 const SoTextureCoordinateElement *tce = NULL;
105 SbVec4f texCoord; 105 SbVec4f texCoord;
106 if (useTexFunction) { 106 if (useTexFunction) {
107 tce = SoTextureCoordinateElement::getInsta 107 tce = SoTextureCoordinateElement::getInstance(state);
108 } 108 }
109 else { 109 else {
110 texCoord[2] = 0.0; 110 texCoord[2] = 0.0;
111 texCoord[3] = 1.0; 111 texCoord[3] = 1.0;
112 } 112 }
113 SbVec3f point, normal; 113 SbVec3f point, normal;
114 114
115 115
116 ////////////////////////////////////////// 116 //////////////////////////////////////////
117 //---------------------------------------- 117 //----------------------------------------
118 #define GEN_VERTEX(pv,x,y,z,s,t,nx,ny,nz) \ 118 #define GEN_VERTEX(pv,x,y,z,s,t,nx,ny,nz) \
119 point.setValue(x,y,z); \ 119 point.setValue(x,y,z); \
120 normal.setValue(nx,ny,nz); \ 120 normal.setValue(nx,ny,nz); \
121 if (useTexFunction) { \ 121 if (useTexFunction) { \
122 texCoord=tce->get(point,normal); \ 122 texCoord=tce->get(point,normal); \
123 } \ 123 } \
124 else { \ 124 else { \
125 texCoord[0]=s; \ 125 texCoord[0]=s; \
126 texCoord[1]=t; \ 126 texCoord[1]=t; \
127 } \ 127 } \
128 pv.setPoint(point); \ 128 pv.setPoint(point); \
129 pv.setNormal(normal); \ 129 pv.setNormal(normal); \
130 pv.setTextureCoords(texCoord); \ 130 pv.setTextureCoords(texCoord); \
131 shapeVertex(&pv); 131 shapeVertex(&pv);
132 //---------------------------------------- 132 //----------------------------------------
133 ////////////////////////////////////////// 133 //////////////////////////////////////////
134 134
135 const int NPOINTS=8, NFACES=6, NINDICES = NF 135 const int NPOINTS=8, NFACES=6, NINDICES = NFACES*5;
136 int indices[NINDICES] = {3,2,1,0, SO_END_FAC 136 int indices[NINDICES] = {3,2,1,0, SO_END_FACE_INDEX, //z back.
137 4,5,6,7, SO_END_FACE_INDEX, //z fron 137 4,5,6,7, SO_END_FACE_INDEX, //z front.
138 0,1,5,4, SO_END_FACE_INDEX, //y up. 138 0,1,5,4, SO_END_FACE_INDEX, //y up.
139 1,2,6,5, SO_END_FACE_INDEX, //x left 139 1,2,6,5, SO_END_FACE_INDEX, //x left.
140 2,3,7,6, SO_END_FACE_INDEX, //y down 140 2,3,7,6, SO_END_FACE_INDEX, //y down.
141 3,0,4,7, SO_END_FACE_INDEX}; //x righ 141 3,0,4,7, SO_END_FACE_INDEX}; //x right.
142 142
143 143
144 // points for the eight vertices 144 // points for the eight vertices
145 float points[NPOINTS][3]; 145 float points[NPOINTS][3];
146 points[0][0] = fDx.getValue(); 146 points[0][0] = fDx.getValue();
147 points[0][1] = fDy.getValue(); 147 points[0][1] = fDy.getValue();
148 points[0][2] = -fDz.getValue(); 148 points[0][2] = -fDz.getValue();
149 149
150 points[1][0] = -fDx.getValue(); 150 points[1][0] = -fDx.getValue();
151 points[1][1] = fDy.getValue(); 151 points[1][1] = fDy.getValue();
152 points[1][2] = -fDz.getValue(); 152 points[1][2] = -fDz.getValue();
153 153
154 points[2][0] = -fDx.getValue(); 154 points[2][0] = -fDx.getValue();
155 points[2][1] = -fDy.getValue(); 155 points[2][1] = -fDy.getValue();
156 points[2][2] = -fDz.getValue(); 156 points[2][2] = -fDz.getValue();
157 157
158 points[3][0] = fDx.getValue(); 158 points[3][0] = fDx.getValue();
159 points[3][1] = -fDy.getValue(); 159 points[3][1] = -fDy.getValue();
160 points[3][2] = -fDz.getValue(); 160 points[3][2] = -fDz.getValue();
161 161
162 points[4][0] = fDx.getValue(); 162 points[4][0] = fDx.getValue();
163 points[4][1] = fDy.getValue(); 163 points[4][1] = fDy.getValue();
164 points[4][2] = fDz.getValue(); 164 points[4][2] = fDz.getValue();
165 165
166 points[5][0] = -fDx.getValue(); 166 points[5][0] = -fDx.getValue();
167 points[5][1] = fDy.getValue(); 167 points[5][1] = fDy.getValue();
168 points[5][2] = fDz.getValue(); 168 points[5][2] = fDz.getValue();
169 169
170 points[6][0] = -fDx.getValue(); 170 points[6][0] = -fDx.getValue();
171 points[6][1] = -fDy.getValue(); 171 points[6][1] = -fDy.getValue();
172 points[6][2] = fDz.getValue(); 172 points[6][2] = fDz.getValue();
173 173
174 points[7][0] = fDx.getValue(); 174 points[7][0] = fDx.getValue();
175 points[7][1] = -fDy.getValue(); 175 points[7][1] = -fDy.getValue();
176 points[7][2] = fDz.getValue(); 176 points[7][2] = fDz.getValue();
177 177
178 float normals[NFACES][3]; 178 float normals[NFACES][3];
179 //z back. 179 //z back.
180 normals[0][0] = 0 ; normals[0][1] = 0; 180 normals[0][0] = 0 ; normals[0][1] = 0; normals [0][2] = -1;
181 //z front. 181 //z front.
182 normals[1][0] = 0 ; normals[1][1] = 0; 182 normals[1][0] = 0 ; normals[1][1] = 0; normals [1][2] = 1;
183 //y up. 183 //y up.
184 normals[2][0] = 0 ; normals[2][1] = 1; 184 normals[2][0] = 0 ; normals[2][1] = 1; normals [2][2] = 0;
185 //x left. 185 //x left.
186 normals[3][0] = -1 ; normals[3][1] = 0; 186 normals[3][0] = -1 ; normals[3][1] = 0; normals [3][2] = 0;
187 //y down. 187 //y down.
188 normals[4][0] = 0 ; normals[4][1] = -1; 188 normals[4][0] = 0 ; normals[4][1] = -1; normals [4][2] = 0;
189 //x right. 189 //x right.
190 normals[5][0] = 1 ; normals[5][1] = 0; 190 normals[5][0] = 1 ; normals[5][1] = 0; normals [5][2] = 0;
191 191
192 float x,y,z; 192 float x,y,z;
193 int index; 193 int index;
194 for (int nf=0;nf<NFACES;nf++) { 194 for (int nf=0;nf<NFACES;nf++) {
195 beginShape(action,TRIANGLE_FAN); 195 beginShape(action,TRIANGLE_FAN);
196 index = indices[nf * 5]; 196 index = indices[nf * 5];
197 x = points[index][0]; 197 x = points[index][0];
198 y = points[index][1]; 198 y = points[index][1];
199 z = points[index][2]; 199 z = points[index][2];
200 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 200 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
201 index = indices[nf * 5 + 1]; 201 index = indices[nf * 5 + 1];
202 x = points[index][0]; 202 x = points[index][0];
203 y = points[index][1]; 203 y = points[index][1];
204 z = points[index][2]; 204 z = points[index][2];
205 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 205 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
206 index = indices[nf * 5 + 2]; 206 index = indices[nf * 5 + 2];
207 x = points[index][0]; 207 x = points[index][0];
208 y = points[index][1]; 208 y = points[index][1];
209 z = points[index][2]; 209 z = points[index][2];
210 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 210 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
211 index = indices[nf * 5 + 3]; 211 index = indices[nf * 5 + 3];
212 x = points[index][0]; 212 x = points[index][0];
213 y = points[index][1]; 213 y = points[index][1];
214 z = points[index][2]; 214 z = points[index][2];
215 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0] 215 GEN_VERTEX(pv,x,y,z,0.0,0.0,normals[nf][0],normals[nf][1],normals[nf][2]);
216 endShape(); 216 endShape();
217 } 217 }
218 } 218 }
219 219
220 // getChildren 220 // getChildren
221 SoChildList *SoBox::getChildren() const { 221 SoChildList *SoBox::getChildren() const {
222 return children; 222 return children;
223 } 223 }
224 224
225 225
226 // computeBBox 226 // computeBBox
227 void SoBox::computeBBox(SoAction *, SbBox3f &b 227 void SoBox::computeBBox(SoAction *, SbBox3f &box, SbVec3f ¢er ){
228 SbVec3f vmin(-fDx.getValue(),-fDy.getValue() 228 SbVec3f vmin(-fDx.getValue(),-fDy.getValue(),-fDz.getValue()),
229 vmax( fDx.getValue(), fDy.getValue() 229 vmax( fDx.getValue(), fDy.getValue(), fDz.getValue());
230 center.setValue(0,0,0); 230 center.setValue(0,0,0);
231 box.setBounds(vmin,vmax); 231 box.setBounds(vmin,vmax);
232 } 232 }
233 233
234 234
235 235
236 236
237 // updateChildren 237 // updateChildren
238 void SoBox::updateChildren() { 238 void SoBox::updateChildren() {
239 239
240 240
241 // Redraw the G4Box.... 241 // Redraw the G4Box....
242 242
243 assert(children->getLength()==1); 243 assert(children->getLength()==1);
244 SoSeparator *sep = (SoS 244 SoSeparator *sep = (SoSeparator *) ( *children)[0];
245 SoScale *scale = (SoS 245 SoScale *scale = (SoScale *)( sep->getChild(0));
246 //SoCube *cube = (S 246 //SoCube *cube = (SoCube *)( sep->getChild(1));
247 scale->scaleFactor.setValue(fDx.getValue(), 247 scale->scaleFactor.setValue(fDx.getValue(), fDy.getValue(), fDz.getValue());
248 } 248 }
249 249
250 // generateChildren 250 // generateChildren
251 void SoBox::generateChildren() { 251 void SoBox::generateChildren() {
252 252
253 // A box consists of a set of scale factors 253 // A box consists of a set of scale factors and a
254 // cube. 254 // cube.
255 255
256 assert(children->getLength() ==0); 256 assert(children->getLength() ==0);
257 SoSeparator *sep = new SoS 257 SoSeparator *sep = new SoSeparator();
258 SoScale *scale = new SoS 258 SoScale *scale = new SoScale();
259 SoCube *cube = new SoC 259 SoCube *cube = new SoCube();
260 260
261 sep->addChild(scale); 261 sep->addChild(scale);
262 sep->addChild(cube); 262 sep->addChild(cube);
263 children->append(sep); 263 children->append(sep);
264 } 264 }
265 265
266 // generateAlternateRep 266 // generateAlternateRep
267 void SoBox::generateAlternateRep() { 267 void SoBox::generateAlternateRep() {
268 268
269 // This routine sets the alternate represent 269 // This routine sets the alternate representation to the child
270 // list of this mode. 270 // list of this mode.
271 271
272 if (children->getLength() == 0) generateChil 272 if (children->getLength() == 0) generateChildren();
273 updateChildren(); 273 updateChildren();
274 alternateRep.setValue((SoSeparator *) ( *ch 274 alternateRep.setValue((SoSeparator *) ( *children)[0]);
275 } 275 }
276 276
277 // clearAlternateRep 277 // clearAlternateRep
278 void SoBox::clearAlternateRep() { 278 void SoBox::clearAlternateRep() {
279 alternateRep.setValue(NULL); 279 alternateRep.setValue(NULL);
280 } 280 }
281 281