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[2757] | 1 | #include "FrustumCullingTraverser.h"
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[2760] | 2 | #include "SceneEntity.h"
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[2757] | 3 |
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[2762] | 4 | using namespace std;
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[2760] | 5 |
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[2762] | 6 |
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[2757] | 7 | namespace CHCDemo
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| 8 | {
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| 9 |
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| 10 | FrustumCullingTraverser::FrustumCullingTraverser(): RenderTraverser()
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| 11 | {
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| 12 | }
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| 13 |
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| 14 |
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| 15 | void FrustumCullingTraverser::Render()
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| 16 | {
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| 17 | while (!mDistanceQueue.empty())
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| 18 | {
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| 19 | BvhNode *node = mDistanceQueue.top();
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| 20 | mDistanceQueue.pop();
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| 21 |
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| 22 | // interesting for the visualization, so rest and set
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| 23 | node->SetVisible(false);
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| 24 |
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[2763] | 25 | if (mBvh->IsWithinViewFrustum(node))
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[2757] | 26 | {
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| 27 | // update node's visited flag => needed for rendering
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| 28 | // so set it also here
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| 29 | //node->SetLastVisited(mFrameID);
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[2764] | 30 | node->SetVisible(true);
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[2757] | 31 | TraverseNode(node);
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| 32 | }
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| 33 | else
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[2763] | 34 | {
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[2764] | 35 | mStats.mNumFrustumCulledNodes ++;
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[2757] | 36 | }
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| 37 | }
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| 38 | }
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| 39 |
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| 40 | } |
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