LightsExplorer.cc

Go to the documentation of this file.

#include <esg/explorer/LightsExplorer.h>

using namespace esg;

bool LightsExplorer::_process_leaf(SceneGraphObject& obj)
{
    if (_freePosition >= LightArray::MAX_LIGHTS) return false;

    Emittance * pEmittance = obj.emittance();
    if (!pEmittance) return false;

    if (!_pLights) {
        _pLights = new LightArray(_caches);
        _freePosition = 0;
    }

    _pLights->setEmittance(_freePosition, pEmittance);
    _pLights->setGeometry(_freePosition, obj.geometry());
    _pLights->setOID(_freePosition, obj.getOID());
    if (!_trStack.empty())
        _pLights->setTransformation(_freePosition, *_trStack.top());

    _pLights->_set |= (1<<_freePosition);
    _pLights->_on  |= (1<<_freePosition);
    
    _freePosition++;

    return true;
}

---