Dario Sassi
103 lines
4.2 KiB
C++
103 lines
4.2 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/EGkFrame3d.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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public :
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void Translate( const Vector3d& vtMove)
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{ Point3d ptP = ORIG + dDist * vtN ;
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ptP.Translate( vtMove) ;
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dDist = ( ptP - ORIG) * vtN ; }
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bool Rotate( const Point3d& ptAx, const Vector3d& vtAx, double dAngDeg)
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{ double dAngRad = dAngDeg * DEGTORAD ;
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return Rotate( ptAx, vtAx, cos( dAngRad), sin( dAngRad)) ; }
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bool Rotate( const Point3d& ptAx, const Vector3d& vtAx, double dCosAng, double dSinAng)
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{ Point3d ptP = ORIG + dDist * vtN ;
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if ( ! ptP.Rotate( ptAx, vtAx, dCosAng, dSinAng) || ! vtN.Rotate( vtAx, dCosAng, dSinAng))
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return false ;
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dDist = ( ptP - ORIG) * vtN ;
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return true ; }
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bool Scale( const Frame3d& frRef, double dCoeffX, double dCoeffY, double dCoeffZ)
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{ Point3d ptP = ORIG + dDist * vtN ;
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Frame3d frOCS ;
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if ( ! frOCS.Set( ptP, vtN) || ! frOCS.PseudoScale( frRef, dCoeffX, dCoeffY, dCoeffZ))
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return false ;
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vtN = frOCS.VersZ() ;
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dDist = ( frOCS.Orig() - ORIG) * vtN ;
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return true ; }
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bool Mirror( const Point3d& ptOn, const Vector3d& vtNorm)
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{ Point3d ptP = ORIG + dDist * vtN ;
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if ( ! ptP.Mirror( ptOn, vtNorm) || ! vtN.Mirror( vtNorm))
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return false ;
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dDist = ( ptP - ORIG) * vtN ;
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return true ; }
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bool Shear( const Point3d& ptOn, const Vector3d& vtNorm, const Vector3d& vtDir, double dCoeff)
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{ Point3d ptP = ORIG + dDist * vtN ;
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Frame3d frOCS ;
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if ( ! frOCS.Set( ptP, vtN) || ! frOCS.PseudoShear( ptOn, vtNorm, vtDir, dCoeff))
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return false ;
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vtN = frOCS.VersZ() ;
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dDist = ( frOCS.Orig() - ORIG) * vtN ;
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return true ; }
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bool ToGlob( const Frame3d& frRef)
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{ Point3d ptP = ORIG + dDist * vtN ;
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if ( ! ptP.ToGlob( frRef) || ! vtN.ToGlob( frRef))
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return false ;
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dDist = ( ptP - ORIG) * vtN ;
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return true ; }
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bool ToLoc( const Frame3d& frRef)
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{ Point3d ptP = ORIG + dDist * vtN ;
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if ( ! ptP.ToLoc( frRef) || ! vtN.ToLoc( frRef))
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return false ;
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dDist = ( ptP - ORIG) * vtN ;
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return true ; }
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bool LocToLoc( const Frame3d& frOri, const Frame3d& frDest)
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{ if ( AreSameFrame( frOri, frDest))
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return true ;
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return ( ToGlob( frOri) && ToLoc( frDest)) ; }
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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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plPlane.vtN = vtN ;
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if ( ! plPlane.vtN.Normalize())
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return false ;
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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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