1 | /*! |
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2 | \file bv_tree.h |
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3 | \brief Definition of a bounding volume tree |
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4 | |
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5 | */ |
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6 | |
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7 | #ifndef _OBB_TREE_NODE_H |
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8 | #define _OBB_TREE_NODE_H |
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9 | |
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10 | #include "bv_tree_node.h" |
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11 | |
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12 | |
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13 | |
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14 | // FORWARD DEFINITION |
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15 | class BoundingVolume; |
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16 | class OBB; |
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17 | class OBBTree; |
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18 | //struct sVec3D; |
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19 | |
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20 | //! A class that represents a bounding volume tree |
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21 | class OBBTreeNode : public BVTreeNode { |
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22 | |
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23 | |
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24 | public: |
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25 | OBBTreeNode(); |
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26 | virtual ~OBBTreeNode(); |
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27 | |
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28 | virtual void spawnBVTree(const int depth, sVec3D *verticesList, const int length); |
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29 | |
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30 | BoundingVolume* getBV(int index) const { return (BoundingVolume*)this->bvElement; } |
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31 | inline const int getIndex() { return this->treeIndex; } |
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32 | inline void setTreeRef(OBBTree* tree) { this->obbTree = tree;} |
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33 | |
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34 | virtual void collideWith(const BVTree &tree); |
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35 | |
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36 | virtual void drawBV(int depth) const; |
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37 | virtual void drawBVPolygon(int depth) const; |
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38 | virtual void drawBVBlended(int depth) const; |
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39 | |
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40 | void debug(); |
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41 | |
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42 | private: |
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43 | void calculateBoxAttributes(OBB* box, sVec3D* verticesList, int length); |
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44 | void forkBox(OBB* box); |
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45 | |
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46 | |
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47 | protected: |
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48 | OBB* bvElement; //!< the obb element |
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49 | OBBTreeNode* nodeLeft; //!< ref to the left tree node |
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50 | OBBTreeNode* nodeRight; //!< ref to the right tree node |
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51 | |
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52 | |
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53 | private: |
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54 | unsigned int treeIndex; //!< Index number of the BV in the tree |
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55 | sVec3D* vertices; //!< pointer to the vertices data |
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56 | int numOfVertices; //!< number of vertices in vertices data |
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57 | int depth; //!< the depth of the node in the tree |
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58 | static OBBTree* obbTree; //!< reference to the obb tree |
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59 | |
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60 | /* tmp saving place for obb variables */ |
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61 | sVec3D* tmpVert1; |
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62 | sVec3D* tmpVert2; |
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63 | int tmpLen1; |
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64 | int tmpLen2; |
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65 | |
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66 | static float** coMat; |
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67 | static float** eigvMat; |
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68 | static float* eigvlMat; |
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69 | static int* rotCount; |
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70 | }; |
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71 | |
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72 | #endif /* _OBB_TREE_NODE_H */ |
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