OpenSceneGraph/include/osg/LightSource
Robert Osfield 08a4fd5bfc Added support for the managing the StateSet above a LightSource node,
and made it an osg::Group so that it can be used a decorator above a
scene.

Added osgclip demo to the test suite.
2002-05-03 16:47:16 +00:00

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//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSG_LIGHTSOURCE
#define OSG_LIGHTSOURCE 1
#include <osg/NodeVisitor>
#include <osg/Light>
#include <osg/Group>
namespace osg {
/** Leaf Node for defining a light in the scene.*/
class SG_EXPORT LightSource : public Group
{
public:
LightSource();
LightSource(const LightSource& ls, const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Group(ls,copyop),
_value(ls._value),
_light(dynamic_cast<osg::Light*>(copyop(ls._light.get()))) {}
META_Node(LightSource);
/** Set the attached light.*/
void setLight(Light* light);
/** Get the attached light.*/
inline Light* getLight() { return _light.get(); }
/** Get the const attached light.*/
inline const Light* getLight() const { return _light.get(); }
/** Set the GLModes on StateSet associated with the LightSource.*/
void setStateSetModes(StateSet&,const StateAttribute::GLModeValue) const;
/** Set up the local StateSet */
void setLocalStateSetModes(const StateAttribute::GLModeValue=StateAttribute::ON);
protected:
virtual ~LightSource();
virtual const bool computeBound() const;
StateAttribute::GLModeValue _value;
ref_ptr<Light> _light;
};
}
#endif