source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/FrustumCullingTraverser.cpp @ 2782

#include "FrustumCullingTraverser.h"
#include "SceneEntity.h"

using namespace std;


namespace CHCDemoEngine
{

FrustumCullingTraverser::FrustumCullingTraverser(): RenderTraverser() 
{
}


void FrustumCullingTraverser::Traverse()
{
        while (!mDistanceQueue.empty())
        {
                BvhNode *node = mDistanceQueue.top();
                mDistanceQueue.pop();
        
                // interesting for the visualization, so rest and set
                node->SetVisible(false);

                if (mBvh->IsWithinViewFrustum(node))
                {
                        // update node's visited flag => needed for rendering
                        // so set it also here
                        //node->SetLastVisited(mFrameID);
                        node->SetVisible(true);
                        TraverseNode(node);
                }
                else
                {
                        mStats.mNumFrustumCulledNodes ++;
                }
        }

        // render the rest of the objects
        if (mUseRenderQueue)
        {
                mRenderQueue.Render();
                mRenderQueue.Clear();
        }
}


}