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added commodity function ProjectWorldtoViewport() to obtain directly pixel indices without calling two separate function of two different objects

This commit is contained in:
Marco Callieri 2005-12-07 10:57:52 +00:00
parent 94ef801ecb
commit 1257fd3a4a
1 changed files with 12 additions and 0 deletions
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12
vcg/math/shot.h
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@ -23,6 +23,9 @@
/**************************************************************************** /****************************************************************************
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.16 2005/12/02 16:14:35 callieri
in Shot<S>::Axis changed Row3 to GetRow3 . row3 was the old method name of Matrix44
Revision 1.15 2005/12/01 01:03:37 cignoni Revision 1.15 2005/12/01 01:03:37 cignoni
Removed excess ';' from end of template functions, for gcc compiling Removed excess ';' from end of template functions, for gcc compiling
@ -144,6 +147,10 @@ public:
/// point. The would be z depth /// point. The would be z depth
S Depth(const vcg::Point3<S> & p)const; S Depth(const vcg::Point3<S> & p)const;
/// project a 3d point from 3D WORLD to 2D VIEWPORT
vcg::Point2<S> ProjectWorldtoViewport(const vcg::Point3<S> & p) const;
}; // end class definition }; // end class definition
template <class S> template <class S>
@ -226,6 +233,11 @@ S Shot<S>::Depth(const vcg::Point3<S> & p)const {
return ConvertToCameraCoordinates(p).Z(); return ConvertToCameraCoordinates(p).Z();
} }
template <class S>
vcg::Point2<S> Shot<S>::ProjectWorldtoViewport(const vcg::Point3<S> & p)const
{
return camera.LocalToViewport( camera.Project( ConvertToCameraCoordinates(p) ) );
}
class Shotf: public Shot<float>{}; class Shotf: public Shot<float>{};
class Shotd: public Shot<double>{}; class Shotd: public Shot<double>{};