Dario Sassi
fcd7fab8a8
- modifiche a Vector3d e Point3d - migliorie a FromString - aggiunta struttura Plane3d - migliorie varie.
60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
//----------------------------------------------------------------------------
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// EgalTech 2014-2014
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//----------------------------------------------------------------------------
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// File : EGkTria3d.h Data : 30.03.14 Versione : 1.5c9
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// Contenuto : Dichiarazione classe triangolo Triangle3d.
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//
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//
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//
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// Modifiche : 30.03.14 DS Creazione modulo.
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//
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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 Triangle3d
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{
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public :
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Triangle3d( void)
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{}
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void Set( const Point3d& ptP0, const Point3d& ptP1, const Point3d& ptP2)
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{ ptP[0] = ptP0 ; ptP[1] = ptP1 ; ptP[2] = ptP2 ; vtN.Set( 0, 0, 0) ; }
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void Set( const Point3d& ptP0, const Point3d& ptP1, const Point3d& ptP2, const Vector3d& vtV)
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{ ptP[0] = ptP0 ; ptP[1] = ptP1 ; ptP[2] = ptP2 ; vtN = vtV ; }
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bool Validate( void)
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{ if ( AreSamePointNear( ptP[0], ptP[1]) || AreSamePointNear( ptP[0], ptP[2]))
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return false ;
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Vector3d vtV = ( ptP[1] - ptP[0]) ^ ( ptP[2] - ptP[0]) ;
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vtV.Normalize() ;
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if ( ! vtN.IsZero())
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return AreSameVectorNear( vtV, vtN) ;
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vtN = vtV ;
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return true ;
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}
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const Point3d& GetP( int nId) const
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{ if ( nId >= 0 && nId < 3)
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return ptP[nId] ;
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else if ( nId < 0)
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return ptP[0] ;
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else
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return ptP[2] ;
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}
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const Vector3d& GetN( void) const
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{ return vtN ; }
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private :
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Point3d ptP[3] ;
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Vector3d vtN ;
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} ;
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//-----------------------------------------------------------------------------
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class TriNormals3d
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{
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public :
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Vector3d vtN[3] ;
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} ;
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