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1 #include "kdtree.cc" |
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2 |
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3 void KdTree::KdTree(ShapeList &shapelist): |
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4 { |
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5 root = new KdNode(); |
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6 shapes = new vector<Shape*>(); |
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7 ShapeList::iterator shape; |
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8 for (shape = shapelist.begin(); shape != shapes.end(); shape++) |
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9 addShape(*shape); |
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10 |
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11 rebuild(); |
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12 } |
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13 |
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14 void KdTree::Subdivide(KdNode* node, AABB& bbox, int depth, int count) |
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15 { |
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16 |
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17 /*if (stopcriterionmet()) return |
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18 splitpos = findoptimalsplitposition() |
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19 leftnode = new Node() |
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20 rightnode = new Node() |
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21 for (all primitives in node) |
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22 { |
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23 if (node->intersectleftnode()) leftnode->addprimitive( primitive ) |
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24 if (node->intersectrightnode()) rightnode->addprimitive( primitive ) |
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25 } |
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26 buildkdtree( leftnode ) |
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27 buildkdtree( rightnode )*/ |
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28 } |
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29 |
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30 void KdTree::rebuild() |
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31 { |
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32 int count = shapes->size(); |
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33 AABB bbox = shapes->extends(); |
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34 |
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35 Subdivide(root, bbox, 0, count); |
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36 } |