class OSGUTIL_EXPORT osgUtil::HalfWayMapGenerator

This cube map generator produces an Half-way vector map, useful for hardware-based specular lighting effects.

Inheritance:

Public Methods

HalfWayMapGenerator(const osg::Vec3 &light_direction, int texture_size = 64)

HalfWayMapGenerator(const HalfWayMapGenerator &copy, const osg::CopyOp &copyop)

inline osg::Vec4 compute_color(const osg::Vec3 &R) const

Protected Methods

virtual ~HalfWayMapGenerator()

HalfWayMapGenerator& operator=(const HalfWayMapGenerator &)

inline virtual osg::Vec4 compute_color(const osg::Vec3 &R) const

Inherited from CubeMapGenerator:

Public Methods

void generateMap(bool use_osg_system = true)

inline osg::Image* getImage(osg::TextureCubeMap::Face face)

inline const osg::Image* getImage(osg::TextureCubeMap::Face face) const

inline void set_pixel(int index, int c, int r, const osg::Vec4 &color)

inline osg::Vec4 vector_to_color(const osg::Vec3 &vec)

Protected Methods

inline static osg::Vec4 vector_to_color(const osg::Vec3 &vec)

Documentation

This cube map generator produces an Half-way vector map, useful for hardware-based specular lighting effects. It computes: C = normalize(R - L), where C is the resulting color, R is the reflection vector and L is the light direction.

HalfWayMapGenerator(const osg::Vec3 &light_direction, int texture_size = 64)

HalfWayMapGenerator(const HalfWayMapGenerator &copy, const osg::CopyOp &copyop)

virtual ~HalfWayMapGenerator()

HalfWayMapGenerator& operator=(const HalfWayMapGenerator &)

inline virtual osg::Vec4 compute_color(const osg::Vec3 &R) const

inline osg::Vec4 compute_color(const osg::Vec3 &R) const

This class has no child classes.

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