OpenSceneGraph/include/osgUtil/ReflectionMapGenerator

44 lines
1.1 KiB
Plaintext

#ifndef OSGUTIL_REFLECTIONMAPGENERATOR_
#define OSGUTIL_REFLECTIONMAPGENERATOR_
#include <osgUtil/CubeMapGenerator>
namespace osgUtil
{
/** This is the most simple cube map generator. It performs a direct association
between reflection vector and RGBA color (C = R).
*/
class ReflectionMapGenerator: public CubeMapGenerator {
public:
inline ReflectionMapGenerator(int texture_size = 64);
inline ReflectionMapGenerator(const ReflectionMapGenerator &copy, const osg::CopyOp &copyop = osg::CopyOp::SHALLOW_COPY);
protected:
virtual ~ReflectionMapGenerator() {}
ReflectionMapGenerator &operator=(const ReflectionMapGenerator &) { return *this; }
inline virtual osg::Vec4 compute_color(const osg::Vec3 &R) const;
};
// INLINE METHODS
inline ReflectionMapGenerator::ReflectionMapGenerator(int texture_size)
: CubeMapGenerator(texture_size)
{
}
inline ReflectionMapGenerator::ReflectionMapGenerator(const ReflectionMapGenerator &copy, const osg::CopyOp &copyop)
: CubeMapGenerator(copy, copyop)
{
}
inline osg::Vec4 ReflectionMapGenerator::compute_color(const osg::Vec3 &R) const
{
return vector_to_color(R / R.length());
}
}
#endif