12226e4371
and passed as paramters into straight forward non const built in types, i.e. const bool foogbar(const int) becomes bool foobar(int).
75 lines
2.3 KiB
Plaintext
75 lines
2.3 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
|
|
//Distributed under the terms of the GNU Library General Public License (LGPL)
|
|
//as published by the Free Software Foundation.
|
|
|
|
#ifndef OSG_POINT
|
|
#define OSG_POINT 1
|
|
|
|
#include <osg/Vec3>
|
|
#include <osg/StateAttribute>
|
|
|
|
namespace osg {
|
|
|
|
/** Point - encapsulates the OpenGL point smoothing and size state.*/
|
|
class SG_EXPORT Point : public StateAttribute
|
|
{
|
|
public :
|
|
|
|
Point();
|
|
|
|
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
|
|
Point(const Point& point,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
|
|
StateAttribute(point,copyop),
|
|
_size(point._size),
|
|
_fadeThresholdSize(point._fadeThresholdSize),
|
|
_distanceAttenuation(point._distanceAttenuation) {}
|
|
|
|
META_StateAttribute(osg, Point, POINT);
|
|
|
|
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
|
|
virtual int compare(const StateAttribute& sa) const
|
|
{
|
|
// check the types are equal and then create the rhs variable
|
|
// used by the COMPARE_StateAttribute_Paramter macro's below.
|
|
COMPARE_StateAttribute_Types(Point,sa)
|
|
|
|
// compare each paramter in turn against the rhs.
|
|
COMPARE_StateAttribute_Parameter(_size)
|
|
COMPARE_StateAttribute_Parameter(_fadeThresholdSize)
|
|
COMPARE_StateAttribute_Parameter(_distanceAttenuation)
|
|
|
|
return 0; // passed all the above comparison macro's, must be equal.
|
|
}
|
|
|
|
virtual void getAssociatedModes(std::vector<GLMode>& modes) const
|
|
{
|
|
modes.push_back(GL_POINT_SMOOTH);
|
|
}
|
|
|
|
void setSize(float size);
|
|
inline float getSize() const { return _size; }
|
|
|
|
void setFadeThresholdSize(float fadeThresholdSize);
|
|
inline 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
|