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1 /* |
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2 * LDForge: LDraw parts authoring CAD |
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3 * Copyright (C) 2013 Santeri Piippo |
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4 * |
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5 * This program is free software: you can redistribute it and/or modify |
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6 * it under the terms of the GNU General Public License as published by |
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7 * the Free Software Foundation, either version 3 of the License, or |
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8 * (at your option) any later version. |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU General Public License |
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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17 */ |
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18 |
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19 #ifndef BBOX_H |
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20 #define BBOX_H |
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21 |
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22 #include "common.h" |
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23 #include "types.h" |
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24 |
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25 // ============================================================================= |
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26 // bbox |
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27 // |
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28 // The bounding box is the box that encompasses a given set of objects. The |
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29 // global instance g_BBox is the bbox for the model we have open. |
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30 // v0 is the minimum vertex, v1 is the maximum vertex. |
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31 // ============================================================================= |
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32 class bbox { |
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33 public: |
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34 bbox (); |
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35 void reset (); |
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36 void calculate (); |
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37 double size () const; |
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38 void calcObject (LDObject* obj); |
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39 void calcVertex (vertex v); |
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40 vertex center () const; |
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41 bool empty () const; |
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42 |
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43 bbox& operator<< (LDObject* obj) { |
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44 calcObject (obj); |
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45 return *this; |
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46 } |
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47 |
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48 bbox& operator<< (vertex& v) { |
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49 calcVertex (v); |
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50 return *this; |
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51 } |
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52 |
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53 const vertex& v0 () { return m_v0; } |
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54 const vertex& v1 () { return m_v1; } |
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55 |
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56 private: |
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57 vertex m_v0, m_v1; |
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58 bool m_empty; |
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59 }; |
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60 |
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61 #endif // BBOX_H |