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37 lines
700 B
37 lines
700 B
2 years ago
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// Created by dtouch on 23-5-14.
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//
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#ifndef RENDERSDF_BVH_H
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#define RENDERSDF_BVH_H
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#include "aabb.h"
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#include "rod.h"
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#include "vector"
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typedef struct BVHNode {
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AABB box;
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BVHNode *left{};
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BVHNode *right{};
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// int start{}; // start index of the triangle list
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// int end{}; // end index of the triangle list
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// int rodCnt;
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std::vector<int> rods;
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} BVHNode;
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class RodBVH {
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int maxDepth{};
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int maxLeafSize{};
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BVHNode *root{};
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RodCrystal rodCrystal;
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public:
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explicit RodBVH(RodCrystal _rodCrystal);
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void build();
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private:
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void recursiveBuild(BVHNode*node);
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void quickSelect(std::vector<int>& rods, int axis);
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};
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#endif //RENDERSDF_BVH_H
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