OpenSceneGraph/include/osg/Point
2001-09-19 21:08:56 +00:00

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#ifndef OSG_POINT
#define OSG_POINT 1
#include <osg/Vec3>
#include <osg/StateAttribute>
#include <osg/StateSet>
namespace osg {
/** Point - encapsulates the OpenGL point smmothing and size state.*/
class SG_EXPORT Point : public StateAttribute
{
public :
Point();
virtual Object* clone() const { return new Point(); }
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const Point*>(obj)!=NULL; }
virtual const char* className() const { return "Point"; }
virtual const Type getType() const { return POINT; }
virtual void setStateSetModes(StateSet& ds,const GLModeValue value) const
{
ds.setMode(GL_POINT_SMOOTH,value);
}
void setSize(const float size);
inline const float getSize() const { return _size; }
void setFadeThresholdSize(const float fadeThresholdSize);
inline const float getFadeThresholdSize() const { return _fadeThresholdSize; }
void setDistanceAttenuation(const Vec3& distanceAttenuation);
inline const Vec3& getDistanceAttenuation() const { return _distanceAttenuation; }
virtual void apply(State& state) const;
static void init_GL_EXT();
protected :
virtual ~Point();
float _size;
float _fadeThresholdSize;
Vec3 _distanceAttenuation;
};
};
#endif