1 | // This file is a part of the Framsticks GDK. |
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2 | // Copyright (C) 2002-2014 Maciej Komosinski and Szymon Ulatowski. See LICENSE.txt for details. |
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3 | // Refer to http://www.framsticks.com/ for further information. |
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4 | |
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5 | #ifndef _MESHBUILDER_H_ |
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6 | #define _MESHBUILDER_H_ |
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7 | |
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8 | #include <frams/model/model.h> |
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9 | #include <frams/model/modelparts.h> |
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10 | #include <frams/util/3d.h> |
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11 | #include <frams/util/list.h> |
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12 | #include "geometryutils.h" |
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13 | |
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14 | namespace MeshBuilder |
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15 | { |
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16 | class Callback |
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17 | { |
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18 | public: |
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19 | virtual void operator()(const Pt3D &point) = 0; |
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20 | }; |
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21 | |
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22 | class Iterator |
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23 | { |
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24 | protected: |
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25 | double density; |
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26 | public: |
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27 | Iterator(const double _density); |
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28 | double getDensity() const; |
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29 | void setDensity(const double _density); |
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30 | virtual bool tryGetNext(Pt3D &point) = 0; |
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31 | void forEach(Callback &callback); |
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32 | void addAllPointsToList(SListTempl<Pt3D> &list); |
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33 | }; |
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34 | |
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35 | class Segment: public Iterator |
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36 | { |
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37 | private: |
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38 | Pt3D point1, point2; |
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39 | int i, I, numberOfPoints; |
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40 | public: |
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41 | Segment(const double _density); |
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42 | void initialize(const Pt3D &point1, const Pt3D &point2, const bool skipFirst = false, const bool skipLast = false, const bool forceOddNumberOfPoints = false); |
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43 | bool tryGetNext(Pt3D &point); |
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44 | }; |
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45 | |
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46 | class RectangleSurface: public Iterator |
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47 | { |
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48 | private: |
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49 | Segment edge1, edge2, area; |
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50 | bool skipVerticalEdges, forceOddNumberOfPoints; |
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51 | public: |
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52 | RectangleSurface(const double _density); |
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53 | void initialize(const Part *part, const CuboidFaces::Face face, const bool skipVerticalEdges = false, const bool skipHorizontalEdges = false, const bool forceOddNumberOfPoints = false); |
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54 | void initialize(const double width, const double height, const Pt3D &position, const Orient &orient, const bool skipVerticalEdges = false, const bool skipHorizontalEdges = false, const bool forceOddNumberOfPoints = false); |
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55 | void initialize(const Pt3D &apex1, const Pt3D &apex2, const Pt3D &apex3, const Pt3D &apex4, const bool skipVerticalEdges = false, const bool skipHorizontalEdges = false, const bool forceOddNumberOfPoints = false); |
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56 | bool tryGetNext(Pt3D &point); |
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57 | }; |
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58 | |
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59 | class CuboidApices: public Iterator |
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60 | { |
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61 | private: |
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62 | Pt3D scale; |
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63 | Pt3D position; |
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64 | Orient orient; |
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65 | Octants::Octant octant; |
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66 | public: |
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67 | CuboidApices(); |
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68 | void initialize(const Part *part); |
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69 | void initialize(const Pt3D &scale, const Pt3D &position, const Orient &orient); |
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70 | bool tryGetNext(Pt3D &point); |
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71 | }; |
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72 | |
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73 | class CuboidSurface: public Iterator |
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74 | { |
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75 | private: |
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76 | CuboidApices apices; |
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77 | RectangleSurface rectangle; |
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78 | Iterator *iterator; |
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79 | const Part *part; |
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80 | CuboidFaces::Face face; |
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81 | public: |
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82 | CuboidSurface(const double _density); |
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83 | void initialize(const Part *part); |
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84 | bool tryGetNext(Pt3D &point); |
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85 | }; |
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86 | |
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87 | class EllipseSurface: public Iterator |
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88 | { |
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89 | private: |
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90 | RectangleSurface rectangle; |
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91 | Pt3D position; |
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92 | Orient orient; |
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93 | double inversedSquaredWidth, inversedSquaredHeight; |
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94 | public: |
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95 | EllipseSurface(const double _density); |
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96 | void initialize(const Part *part, const CylinderBases::Base base); |
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97 | void initialize(const double width, const double height, const Pt3D &position, const Orient &orient); |
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98 | bool tryGetNext(Pt3D &point); |
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99 | }; |
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100 | |
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101 | class Ellipse: public Iterator |
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102 | { |
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103 | private: |
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104 | enum Phase { yToZ, zToY, Done }; |
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105 | Phase phase; |
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106 | Pt3D position; |
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107 | Orient orient; |
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108 | double width, height, d, p, q, P, Q, D, a, b; |
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109 | QuadrantsYZ::QuadrantYZ quadrant; |
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110 | public: |
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111 | Ellipse(const double _density); |
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112 | void initialize(const Part *part, const CylinderBases::Base base); |
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113 | void initialize(const double width, const double height, const Pt3D &position, const Orient &orient); |
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114 | bool tryGetNext(Pt3D &point); |
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115 | private: |
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116 | void calculateAndSetSegmentationDistance(); |
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117 | void initializePhase(Phase ph); |
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118 | void setPoint(Pt3D &point); |
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119 | void findNextPQAndPhase(); |
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120 | int findLastPQOfPhase(Phase ph, double &lp, double &lq); |
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121 | }; |
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122 | |
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123 | class CylinderEdges: public Iterator |
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124 | { |
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125 | private: |
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126 | Ellipse ellipse; |
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127 | Pt3D edge, length; |
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128 | CylinderBases::Base base; |
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129 | public: |
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130 | CylinderEdges(const double _density); |
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131 | void initialize(const Part *part); |
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132 | void initialize(const Pt3D &scale, const Pt3D &position, const Orient &orient); |
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133 | void initialize(const double length, const double width, const double height, const Pt3D &position, const Orient &orient); |
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134 | bool tryGetNext(Pt3D &point); |
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135 | }; |
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136 | |
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137 | class CylinderWallSurface: public Iterator |
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138 | { |
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139 | private: |
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140 | Ellipse edge; |
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141 | Pt3D length; |
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142 | Segment area; |
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143 | public: |
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144 | CylinderWallSurface(const double _density); |
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145 | void initialize(const Part *part); |
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146 | void initialize(const Pt3D &scale, const Pt3D &position, const Orient &orient); |
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147 | void initialize(const double length, const double width, const double height, const Pt3D &position, const Orient &orient); |
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148 | bool tryGetNext(Pt3D &point); |
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149 | }; |
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150 | |
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151 | class CylinderSurface: public Iterator |
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152 | { |
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153 | private: |
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154 | CylinderWallSurface wall; |
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155 | EllipseSurface ellipse; |
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156 | Iterator *iterator; |
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157 | const Part *part; |
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158 | CylinderBases::Base base; |
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159 | public: |
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160 | CylinderSurface(const double _density); |
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161 | void initialize(const Part *part); |
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162 | bool tryGetNext(Pt3D &point); |
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163 | }; |
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164 | |
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165 | class EllipsoidSurface: public Iterator |
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166 | { |
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167 | private: |
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168 | enum Phase { X, Y, Z, Done }; |
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169 | Phase phase; |
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170 | Pt3D edge, area, scale, limit; |
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171 | double d; |
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172 | const Part *part; |
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173 | Octants::Octant octant; |
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174 | public: |
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175 | EllipsoidSurface(const double _density); |
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176 | void initialize(const Part *part); |
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177 | bool tryGetNext(Pt3D &point); |
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178 | private: |
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179 | void initializePhase(Phase ph); |
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180 | void setPoint(Pt3D &point); |
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181 | void proceedToNextOctant(); |
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182 | void findNextAreaEdgeAndPhase(); |
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183 | }; |
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184 | |
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185 | class PartSurface: public Iterator |
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186 | { |
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187 | private: |
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188 | CuboidSurface cuboid; |
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189 | CylinderSurface cylinder; |
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190 | EllipsoidSurface ellipsoid; |
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191 | Iterator *iterator; |
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192 | public: |
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193 | PartSurface(const double _density); |
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194 | void initialize(const Part *part); |
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195 | bool tryGetNext(Pt3D &point); |
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196 | }; |
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197 | |
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198 | class ModelSurface: public Iterator |
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199 | { |
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200 | private: |
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201 | PartSurface surface; |
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202 | const Model *model; |
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203 | int index; |
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204 | public: |
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205 | ModelSurface(const double _density); |
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206 | void initialize(const Model *model); |
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207 | bool tryGetNext(Pt3D &point); |
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208 | }; |
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209 | |
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210 | class PartApices: public Iterator |
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211 | { |
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212 | private: |
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213 | CuboidApices cuboid; |
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214 | CylinderEdges cylinder; |
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215 | EllipsoidSurface ellipsoid; |
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216 | Iterator *iterator; |
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217 | public: |
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218 | PartApices(const double _density); |
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219 | void initialize(const Part *part); |
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220 | bool tryGetNext(Pt3D &point); |
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221 | }; |
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222 | |
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223 | class ModelApices: public Iterator |
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224 | { |
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225 | private: |
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226 | PartApices surface; |
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227 | const Model *model; |
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228 | int index; |
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229 | public: |
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230 | ModelApices(const double _density); |
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231 | void initialize(const Model *model); |
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232 | bool tryGetNext(Pt3D &point); |
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233 | }; |
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234 | |
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235 | class BoundingBoxVolume: Iterator |
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236 | { |
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237 | private: |
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238 | Segment edge, area, volume; |
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239 | Pt3D length, width, height; |
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240 | public: |
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241 | BoundingBoxVolume(const double _density); |
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242 | void initialize(const Model &model); |
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243 | void initialize(const Pt3D &lowerBoundary, const Pt3D &upperBoundary); |
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244 | bool tryGetNext(Pt3D &point); |
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245 | }; |
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246 | }; |
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247 | |
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248 | #endif |
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