Dario Sassi
50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2014-2015
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//----------------------------------------------------------------------------
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// File : EGkPlane3d.h Data : 25.02.15 Versione : 1.6b7
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// Contenuto : Dichiarazione classe piano Plane3d.
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//
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//
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//
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// Modifiche : 08.04.14 DS Creazione modulo.
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// 25.02.15 DS Agg. PointInPlane*.
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include "/EgtDev/Include/EGkPoint3d.h"
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//-----------------------------------------------------------------------------
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class Plane3d
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{
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public :
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Vector3d vtN ;
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double dDist ;
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} ;
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//-----------------------------------------------------------------------------
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inline bool
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SetPlane( const Point3d& ptP, const Vector3d& vtN, Plane3d& plPlane)
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{
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if ( vtN.IsSmall())
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return false ;
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plPlane.vtN = vtN ;
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plPlane.dDist = ( ptP - ORIG) * plPlane.vtN ;
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return true ;
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}
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//-----------------------------------------------------------------------------
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inline bool
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PointInPlaneApprox( const Point3d& ptP, const Plane3d& plPlane)
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{
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return ( fabs( (( ptP - ORIG) * plPlane.vtN) - plPlane.dDist) < EPS_SMALL) ;
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}
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//-----------------------------------------------------------------------------
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inline bool
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PointInPlaneExact( const Point3d& ptP, const Plane3d& plPlane)
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{
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return ( fabs( (( ptP - ORIG) * plPlane.vtN) - plPlane.dDist) < EPS_ZERO) ;
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}
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