08a4fd5bfc
and made it an osg::Group so that it can be used a decorator above a scene. Added osgclip demo to the test suite.
53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
#include <osg/LightSource>
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using namespace osg;
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LightSource::LightSource()
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{
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// switch off culling of light source nodes by default.
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setCullingActive(false);
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_dstate = osgNew StateSet;
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_value = StateAttribute::ON;
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_light = osgNew Light;
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}
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LightSource::~LightSource()
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{
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// ref_ptr<> automactially decrements the reference count of attached lights.
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}
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void LightSource::setLight(Light* light)
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{
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_light = light;
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setLocalStateSetModes(_value);
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}
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// Set the GLModes on StateSet associated with the ClipPlanes.
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void LightSource::setStateSetModes(StateSet& stateset,const StateAttribute::GLModeValue value) const
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{
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if (_light.valid())
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{
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_light->setStateSetModes(stateset,value);
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}
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}
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void LightSource::setLocalStateSetModes(const StateAttribute::GLModeValue value)
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{
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if (!_dstate) _dstate = osgNew StateSet;
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_dstate->setAllToInherit();
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setStateSetModes(*_dstate,value);
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}
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const bool LightSource::computeBound() const
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{
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// note, don't do anything right now as the light itself is not
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// visualised, just having an effect on the lighting of geodes.
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_bsphere.init();
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_bsphere_computed = true;
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return true;
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}
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