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56 lines
1.9 KiB
56 lines
1.9 KiB
14 years ago
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSGUTIL_REFLECTIONMAPGENERATOR_
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#define OSGUTIL_REFLECTIONMAPGENERATOR_
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#include <osgUtil/CubeMapGenerator>
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namespace osgUtil
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{
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/** This is the most simple cube map generator. It performs a direct association
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between reflection vector and RGBA color (C = R).
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*/
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class ReflectionMapGenerator: public CubeMapGenerator {
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public:
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inline ReflectionMapGenerator(int texture_size = 64);
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inline ReflectionMapGenerator(const ReflectionMapGenerator ©, const osg::CopyOp ©op = osg::CopyOp::SHALLOW_COPY);
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protected:
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virtual ~ReflectionMapGenerator() {}
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ReflectionMapGenerator &operator=(const ReflectionMapGenerator &) { return *this; }
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inline virtual osg::Vec4 compute_color(const osg::Vec3 &R) const;
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};
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// INLINE METHODS
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inline ReflectionMapGenerator::ReflectionMapGenerator(int texture_size)
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: CubeMapGenerator(texture_size)
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{
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}
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inline ReflectionMapGenerator::ReflectionMapGenerator(const ReflectionMapGenerator ©, const osg::CopyOp ©op)
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: CubeMapGenerator(copy, copyop)
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{
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}
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inline osg::Vec4 ReflectionMapGenerator::compute_color(const osg::Vec3 &R) const
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{
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return vector_to_color(R / R.length());
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}
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}
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#endif
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