OpenSceneGraph/doc/doc++/osgUtil/HalfWayMapGenerator.html
2003-10-02 14:28:30 +00:00

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<TITLE>class OSGUTIL_EXPORT osgUtil::HalfWayMapGenerator</TITLE>
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<H2>class OSGUTIL_EXPORT <A HREF="#DOC.DOCU">osgUtil::HalfWayMapGenerator</A></H2></H2><BLOCKQUOTE>This cube map generator produces an Half-way vector map, useful for hardware-based specular lighting effects.</BLOCKQUOTE>
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<H2>Inheritance:</H2>
<APPLET CODE="ClassGraph.class" WIDTH=600 HEIGHT=95>
<param name=classes value="Mosg::Referenced,M,CCubeMapGenerator,MCubeMapGenerator.html,CHalfWayMapGenerator,MHalfWayMapGenerator.html">
<param name=before value="M,M,M">
<param name=after value="Md_SP,Md_,M">
<param name=indent value="0,1,2">
<param name=arrowdir value="down">
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<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.6.1">HalfWayMapGenerator</A></B>(const osg::Vec3 &amp;light_direction, int texture_size = 64)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.6.2">HalfWayMapGenerator</A></B>(const <!1><A HREF="HalfWayMapGenerator.html#DOC.2.6.2">HalfWayMapGenerator</A> &amp;copy, const osg::CopyOp &amp;copyop)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline osg::Vec4 <B><A HREF="#DOC.2.6.7">compute_color</A></B>(const osg::Vec3 &amp;R) const
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<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual <B><A HREF="#DOC.2.6.3">~HalfWayMapGenerator</A></B>()
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="HalfWayMapGenerator.html">HalfWayMapGenerator</A>&amp; <B><A HREF="#DOC.2.6.4">operator=</A></B>(const <!1><A HREF="HalfWayMapGenerator.html">HalfWayMapGenerator</A> &amp;)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline virtual osg::Vec4 <B><A HREF="#DOC.2.6.5">compute_color</A></B>(const osg::Vec3 &amp;R) const
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<HR><H3>Inherited from <A HREF="CubeMapGenerator.html">CubeMapGenerator</A>:</H3>
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<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>void <B>generateMap</B>(bool use_osg_system = true)
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<IMG ALT="o" SRC=icon2.gif>inline osg::Image* <B>getImage</B>(osg::TextureCubeMap::Face face)
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<IMG ALT="o" SRC=icon2.gif>inline const osg::Image* <B>getImage</B>(osg::TextureCubeMap::Face face) const
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<IMG ALT="o" SRC=icon2.gif>inline void <B>set_pixel</B>(int index, int c, int r, const osg::Vec4 &amp;color)
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<IMG ALT="o" SRC=icon2.gif>inline osg::Vec4 <B>vector_to_color</B>(const osg::Vec3 &amp;vec)
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<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>inline static osg::Vec4 <B>vector_to_color</B>(const osg::Vec3 &amp;vec)
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<A NAME="DOC.DOCU"></A>
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<H2>Documentation</H2>
<BLOCKQUOTE>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.</BLOCKQUOTE>
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<A NAME="HalfWayMapGenerator"></A>
<A NAME="DOC.2.6.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> HalfWayMapGenerator(const osg::Vec3 &amp;light_direction, int texture_size = 64)</B></TT>
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<A NAME="HalfWayMapGenerator"></A>
<A NAME="DOC.2.6.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> HalfWayMapGenerator(const <!1><A HREF="HalfWayMapGenerator.html#DOC.2.6.2">HalfWayMapGenerator</A> &amp;copy, const osg::CopyOp &amp;copyop)</B></TT>
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<A NAME="~HalfWayMapGenerator"></A>
<A NAME="DOC.2.6.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual ~HalfWayMapGenerator()</B></TT>
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<A NAME="operator="></A>
<A NAME="DOC.2.6.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="HalfWayMapGenerator.html">HalfWayMapGenerator</A>&amp; operator=(const <!1><A HREF="HalfWayMapGenerator.html">HalfWayMapGenerator</A> &amp;)</B></TT>
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<A NAME="compute_color"></A>
<A NAME="DOC.2.6.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline virtual osg::Vec4 compute_color(const osg::Vec3 &amp;R) const </B></TT>
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<A NAME="compute_color"></A>
<A NAME="DOC.2.6.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline osg::Vec4 compute_color(const osg::Vec3 &amp;R) const </B></TT>
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