00001 #ifndef VOXELGRID_H 00002 #define VOXELGRID_H 00003 00004 #include <ngl/Vec3.h> 00005 #include <ngl/VertexArrayObject.h> 00006 #include <ngl/VAOPrimitives.h> 00007 00008 //---------------------------------------------------------------------------------------------------------------------- 00018 00019 enum BOUNDARYCONDITION {NOSLIP, FREESLIP, OUTFLOW}; 00020 00021 enum CELLTYPE {SMOKE, SOLID}; 00022 00023 enum {U, V, W}; 00024 00025 struct Voxel { 00026 CELLTYPE cellType; 00027 float pressure; 00028 float density; 00029 float temperature; 00030 float curlMag; //the magnitude (length) of the curl 00031 float tempCurlMag; 00032 float u [3]; 00033 float tempU [3]; 00034 float tempDensity; 00035 float tempPressure; 00036 float tempTemperature; 00037 float F,G,H; 00038 float rhs; 00039 }; 00040 00041 00042 class VoxelGrid 00043 { 00044 public: 00045 //---------------------------------------------------------------------------------------------------------------------- 00051 //---------------------------------------------------------------------------------------------------------------------- 00052 VoxelGrid( 00053 const float _lengthX, 00054 const float _lengthY, 00055 const float _lengthZ, 00056 const int _baseRes 00057 ); 00058 //---------------------------------------------------------------------------------------------------------------------- 00060 //---------------------------------------------------------------------------------------------------------------------- 00061 ~VoxelGrid(); 00062 //---------------------------------------------------------------------------------------------------------------------- 00068 //---------------------------------------------------------------------------------------------------------------------- 00069 ngl::Vec3 array3DIndexesFromCoordinate( 00070 float _i, 00071 float _j, 00072 float _k 00073 ) const; 00074 //---------------------------------------------------------------------------------------------------------------------- 00080 //---------------------------------------------------------------------------------------------------------------------- 00081 int arrayIndexFromCoordinate( 00082 float _i, 00083 float _j, 00084 float _k 00085 ) const; 00086 //---------------------------------------------------------------------------------------------------------------------- 00093 //---------------------------------------------------------------------------------------------------------------------- 00094 Voxel* at( 00095 float _i, 00096 float _j, 00097 float _k 00098 ); 00099 //---------------------------------------------------------------------------------------------------------------------- 00101 //---------------------------------------------------------------------------------------------------------------------- 00102 void createLineGrids(); 00103 //---------------------------------------------------------------------------------------------------------------------- 00105 //---------------------------------------------------------------------------------------------------------------------- 00106 void createVAO(); 00107 //---------------------------------------------------------------------------------------------------------------------- 00109 //---------------------------------------------------------------------------------------------------------------------- 00110 void drawLineGrids(); 00111 //---------------------------------------------------------------------------------------------------------------------- 00117 //---------------------------------------------------------------------------------------------------------------------- 00118 Voxel* freeSlip( 00119 float _i, 00120 float _j, 00121 float _k 00122 ); 00123 //---------------------------------------------------------------------------------------------------------------------- 00126 //---------------------------------------------------------------------------------------------------------------------- 00127 inline float getBaseRes() const { return m_baseRes; } 00128 //---------------------------------------------------------------------------------------------------------------------- 00131 //---------------------------------------------------------------------------------------------------------------------- 00132 inline BOUNDARYCONDITION getBoundaryCondition() const { return m_boundaryCondition; } 00133 //---------------------------------------------------------------------------------------------------------------------- 00136 //---------------------------------------------------------------------------------------------------------------------- 00137 inline float getH() const { return m_h; } 00138 //---------------------------------------------------------------------------------------------------------------------- 00141 //---------------------------------------------------------------------------------------------------------------------- 00142 inline float getHX() const { return m_hX; } 00143 //---------------------------------------------------------------------------------------------------------------------- 00146 //---------------------------------------------------------------------------------------------------------------------- 00147 inline float getHY() const { return m_hY; } 00148 //---------------------------------------------------------------------------------------------------------------------- 00151 //---------------------------------------------------------------------------------------------------------------------- 00152 inline float getHZ() const { return m_hZ; } 00153 //---------------------------------------------------------------------------------------------------------------------- 00156 //---------------------------------------------------------------------------------------------------------------------- 00157 inline float getLengthX() const { return m_lengthX; } 00158 //---------------------------------------------------------------------------------------------------------------------- 00161 //---------------------------------------------------------------------------------------------------------------------- 00162 inline float getLengthY() const { return m_lengthY; } 00163 //---------------------------------------------------------------------------------------------------------------------- 00166 //---------------------------------------------------------------------------------------------------------------------- 00167 inline float getLengthZ() const { return m_lengthZ; } 00168 //---------------------------------------------------------------------------------------------------------------------- 00171 //---------------------------------------------------------------------------------------------------------------------- 00172 inline ngl::VertexArrayObject* getLineGridVAO() { return m_lineGridVAO; } 00173 //---------------------------------------------------------------------------------------------------------------------- 00176 //---------------------------------------------------------------------------------------------------------------------- 00177 inline int getPrecisionX() const { return m_precisionX; } 00178 //---------------------------------------------------------------------------------------------------------------------- 00181 //---------------------------------------------------------------------------------------------------------------------- 00182 inline int getPrecisionY() const { return m_precisionY; } 00183 //---------------------------------------------------------------------------------------------------------------------- 00186 //---------------------------------------------------------------------------------------------------------------------- 00187 inline int getPrecisionZ() const { return m_precisionZ; } 00188 //---------------------------------------------------------------------------------------------------------------------- 00191 //---------------------------------------------------------------------------------------------------------------------- 00192 inline std::vector <Voxel>* getVoxels() { return &m_voxels; } 00193 //---------------------------------------------------------------------------------------------------------------------- 00195 //---------------------------------------------------------------------------------------------------------------------- 00196 void calcValues(); 00197 //---------------------------------------------------------------------------------------------------------------------- 00199 //---------------------------------------------------------------------------------------------------------------------- 00200 void initVoxels(); 00201 //---------------------------------------------------------------------------------------------------------------------- 00207 //---------------------------------------------------------------------------------------------------------------------- 00208 Voxel* outflow( 00209 float _i, 00210 float _j, 00211 float _k 00212 ); 00213 //---------------------------------------------------------------------------------------------------------------------- 00219 //---------------------------------------------------------------------------------------------------------------------- 00220 Voxel* noSlip( 00221 float _i, 00222 float _j, 00223 float _k 00224 ); 00225 //---------------------------------------------------------------------------------------------------------------------- 00228 //---------------------------------------------------------------------------------------------------------------------- 00229 inline void setBaseRes( 00230 int _res 00231 ) { m_baseRes = _res;} 00232 //---------------------------------------------------------------------------------------------------------------------- 00235 //---------------------------------------------------------------------------------------------------------------------- 00236 inline void setBoundaryCondition( 00237 const BOUNDARYCONDITION _condition 00238 ) { m_boundaryCondition = _condition; } 00239 //---------------------------------------------------------------------------------------------------------------------- 00242 //---------------------------------------------------------------------------------------------------------------------- 00243 inline void setH( 00244 float _val 00245 ) { m_h = _val; } 00246 //---------------------------------------------------------------------------------------------------------------------- 00249 //---------------------------------------------------------------------------------------------------------------------- 00250 inline void setLengthX( 00251 float _length 00252 ) { m_lengthX = _length;} 00253 //---------------------------------------------------------------------------------------------------------------------- 00256 //---------------------------------------------------------------------------------------------------------------------- 00257 inline void setLengthY( 00258 float _length 00259 ) { m_lengthY = _length; } 00260 //---------------------------------------------------------------------------------------------------------------------- 00263 //---------------------------------------------------------------------------------------------------------------------- 00264 inline void setLengthZ( 00265 float _length 00266 ) { m_lengthZ = _length; } 00267 //---------------------------------------------------------------------------------------------------------------------- 00270 //---------------------------------------------------------------------------------------------------------------------- 00271 inline void setPrecisionX( 00272 int _precision 00273 ) { m_precisionX = _precision; } 00274 //---------------------------------------------------------------------------------------------------------------------- 00277 //---------------------------------------------------------------------------------------------------------------------- 00278 inline void setPrecisionY( 00279 int _precision 00280 ) { m_precisionY = _precision; } 00281 //---------------------------------------------------------------------------------------------------------------------- 00284 //---------------------------------------------------------------------------------------------------------------------- 00285 inline void setPrecisionZ( 00286 int _precision 00287 ) { m_precisionZ = _precision; } 00288 00289 00290 private: 00291 //---------------------------------------------------------------------------------------------------------------------- 00293 //---------------------------------------------------------------------------------------------------------------------- 00294 int m_baseRes; 00295 //---------------------------------------------------------------------------------------------------------------------- 00297 //---------------------------------------------------------------------------------------------------------------------- 00298 BOUNDARYCONDITION m_boundaryCondition; 00299 //---------------------------------------------------------------------------------------------------------------------- 00301 //---------------------------------------------------------------------------------------------------------------------- 00302 std::vector <ngl::vertData> m_data; 00303 //---------------------------------------------------------------------------------------------------------------------- 00305 //---------------------------------------------------------------------------------------------------------------------- 00306 Voxel m_boundaryVoxel; 00307 //---------------------------------------------------------------------------------------------------------------------- 00309 //---------------------------------------------------------------------------------------------------------------------- 00310 float m_h; 00311 //---------------------------------------------------------------------------------------------------------------------- 00313 //---------------------------------------------------------------------------------------------------------------------- 00314 float m_hX; 00315 //---------------------------------------------------------------------------------------------------------------------- 00317 //---------------------------------------------------------------------------------------------------------------------- 00318 float m_hY; 00319 //---------------------------------------------------------------------------------------------------------------------- 00321 //---------------------------------------------------------------------------------------------------------------------- 00322 float m_hZ; 00323 //---------------------------------------------------------------------------------------------------------------------- 00325 //---------------------------------------------------------------------------------------------------------------------- 00326 float m_lengthX; 00327 //---------------------------------------------------------------------------------------------------------------------- 00329 //---------------------------------------------------------------------------------------------------------------------- 00330 float m_lengthY; 00331 //---------------------------------------------------------------------------------------------------------------------- 00333 //---------------------------------------------------------------------------------------------------------------------- 00334 float m_lengthZ; 00335 //---------------------------------------------------------------------------------------------------------------------- 00337 //---------------------------------------------------------------------------------------------------------------------- 00338 int m_precisionX; 00339 //---------------------------------------------------------------------------------------------------------------------- 00341 //---------------------------------------------------------------------------------------------------------------------- 00342 int m_precisionY; 00343 //---------------------------------------------------------------------------------------------------------------------- 00345 //---------------------------------------------------------------------------------------------------------------------- 00346 int m_precisionZ; 00347 //---------------------------------------------------------------------------------------------------------------------- 00349 //---------------------------------------------------------------------------------------------------------------------- 00350 ngl::VertexArrayObject *m_lineGridVAO; 00351 //---------------------------------------------------------------------------------------------------------------------- 00353 //---------------------------------------------------------------------------------------------------------------------- 00354 std::vector <Voxel> m_voxels; 00355 00356 }; 00357 00358 #endif // VOXELGRID_H
1.7.6.1
