Exemplos de getFrustumCulling em C++ (Cpp)

Exemplo n.º 1

Arquivo: OSGRenderPartition.cpp Projeto: DirkReiners/OpenSGDevMaster

void RenderPartition::popVisibility(void)
{
    if(getFrustumCulling() == false)
        return;

    _visibilityStack.pop_back();
}

Exemplo n.º 2

Arquivo: OSGRenderAction.cpp Projeto: DirkReiners/OpenSGDevMaster

// select all visible nodes
UInt32 RenderAction::selectVisibles(void)
{
    if(getFrustumCulling() == false)
        return getNNodes();

    useNodeList();

    Color3f col;

    UInt32 count = 0;

    for(UInt32 i = 0; i < getNNodes(); i++)
    {
        if(isVisible(getNode(i)))
        {
            col.setValuesRGB(0,1,0);

            addNode(getNode(i));

            ++count;
        }
        else
        {
            col.setValuesRGB(1,0,0);
        }

        if(getVolumeDrawing())
        {
            dropVolume(this, getNode(i), col);
        }
    }

    return count;
}

Exemplo n.º 3

Arquivo: OSGShadingAction.cpp Projeto: mlimper/OpenSG1x

bool ShadingAction::isVisible(Node *node)
{
    if ( getFrustumCulling() == false )
        return true;
        
    getStatistics()->getElem(statCullTestedNodes)->inc();
    
    DynamicVolume vol;

//    node->getWorldVolume( vol );

    node->updateVolume();
    vol = node->getVolume();

    vol.transform(top_matrix());

    if ( _frustum.intersect( vol ) )
    {
// fprintf(stderr,"%p: node 0x%p vis\n", Thread::getCurrent(), node);
        return true;
    }
    
    getStatistics()->getElem(statCulledNodes)->inc();

// fprintf(stderr,"%p: node 0x%p invis\n", Thread::getCurrent(), node);
// _frustum.dump();
    return false;
}

Exemplo n.º 4

Arquivo: OSGAdapterDrawAction.cpp Projeto: BackupTheBerlios/opensgplus

UInt32 AdapterDrawAction::selectVisiblesGlobal (void)
{
   if (!getFrustumCulling()) {
        return getNNodes();
   }

   GLint l = 0;
   bool  d = getVolumeDrawing();
   if ( d ) {
      l = glIsEnabled(GL_LIGHTING);
      glDisable(GL_LIGHTING);
   }

   useNodeList();
   
   UInt32 count = 0;
   for ( UInt32 i = 0; i < getNNodes(); ++i ) {
        if ( isVisible( getNode(i).getCPtr() ) ) {
            addNode( getNode(i) );
            ++count;
        }

        if (d) {
	   OSGCache::CacheData& data = OSGCache::the()[getNode(i)];

	   OSGCache::CacheData::AdapterContainer& all = 
	     data.getAdapter(BVolAdapterBase::getAdapterId());
	   // for BVolHierarchyBase there are more than one leaf nodes, then render
	   // for SingleHierarchyBase there are more than one inner nodes, then skip
	   if (all.size() > 1 && ((BVolAdapterBase*)all[0])->isInner()) { 
	      continue; 
	   }

	   glColor3f(0,1,0);
	   glPushMatrix();
	   glLoadIdentity();
	   getCamera()->setup(this, *getViewport());
	   //const Matrix& matrixI = data.getToWorldMatrix();
	   //glMultMatrixf(matrixI.getValues());
	   OSGCache::CacheData::AdapterContainer::const_iterator iter=all.begin();   
	   for (; iter != all.end(); ++iter) {
	      ((BVolAdapterBase*)*iter)->getBoundingVolume().drawWireframe();
	   }
	   glPopMatrix();
        }
   }
   if (l) { 
      glEnable(GL_LIGHTING);
   }
   
   return count;
}

Exemplo n.º 5

Arquivo: OSGRenderPartition.cpp Projeto: DirkReiners/OpenSGDevMaster

// test a single node
bool RenderPartition::isVisible(Node *pNode)
{
    if(getFrustumCulling() == false)
        return true;

    if(_oDrawEnv.getStatCollector() != NULL)
    {
        _oDrawEnv.getStatCollector()->getElem(statCullTestedNodes)->inc();
    }

//    _oDrawEnv.getRTAction()->getStatistics()->getElem(statCullTestedNodes)->inc();

    if(pNode->getVolume().isInfinite() == true)
        return true;

    BoxVolume vol;

    pNode->updateVolume();

    vol = pNode->getVolume();

    vol.transform(topMatrix());

    if(_oFrustum.intersect(vol))
    {
// fprintf(stderr,"%p: node 0x%p vis\n", Thread::getCurrent(), node);
        return true;
    }

    if(_oDrawEnv.getStatCollector() != NULL)
    {
        _oDrawEnv.getStatCollector()->getElem(statCulledNodes)->inc();
    }

//    _oDrawEnv.getRTAction()->getStatistics()->getElem(statCulledNodes)->inc();

// fprintf(stderr,"%p: node 0x%p invis\n", Thread::getCurrent(), node);
// _frustum.dump();

    return false;
}

Exemplo n.º 6

Arquivo: OSGRenderPartition.cpp Projeto: DirkReiners/OpenSGDevMaster

// visibility levels
bool RenderPartition::pushVisibility(Node * const pNode)
{
    if(getFrustumCulling() == false)
        return true;

    FrustumVolume::PlaneSet inplanes = _visibilityStack.back();

    if(inplanes == FrustumVolume::P_ALL)
    {
        _visibilityStack.push_back(inplanes);

        return true;
    }

    Color3f col;
    bool result = true;

    FrustumVolume frustum = _oFrustum;
    BoxVolume     vol     = pNode->getVolume();

    // don't mess with infinite volumes
    if(vol.isInfinite() == false)
    {
        pNode->updateVolume();

        vol = pNode->getVolume();

#if 1
        vol.transform(topMatrix());
#else
    // not quite working
        Matrix m = topMatrix();
        m.invert();

        frustum.transform(m);
#endif
    }

    if(_oDrawEnv.getStatCollector() != NULL)
    {
        _oDrawEnv.getStatCollector()->getElem(statCullTestedNodes)->inc();
    }

    if(intersect(frustum, vol, inplanes) == false)
    {
         result = false;

         col.setValuesRGB(1,0,0);

         if(_oDrawEnv.getStatCollector() != NULL)
         {
             _oDrawEnv.getStatCollector()->getElem(statCulledNodes)->inc();
         }
    }
    else
    {
        if(inplanes == FrustumVolume::P_ALL)
        {
            col.setValuesRGB(0,1,0);
        }
        else
        {
            col.setValuesRGB(0,0,1);
        }
    }

    if(getVolumeDrawing())
    {
        dropVolume(this, pNode, col);
    }

    _visibilityStack.push_back(inplanes);

    return result;
}