#include using namespace osg; LightSource::LightSource() { // switch off culling of light source nodes by default. setCullingActive(false); } LightSource::~LightSource() { // ref_ptr<> automactially decrements the reference count of attached lights. } const bool LightSource::computeBound() const { // note, don't do anything right now as the light itself is not // visualised, just having an effect on the lighting of geodes. _bsphere.init(); _bsphere_computed = true; return true; }