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//-----------------------------------------------------------------------------
// BSPLIB HEADER: Vertex2.h
//
// Copyright (c) 1997 by Markus Hadwiger
// All Rights Reserved.
//-----------------------------------------------------------------------------
#ifndef _VERTEX2_H_
#define _VERTEX2_H_
// bsplib header files
#include "BspLibDefs.h"
BSPLIB_NAMESPACE_BEGIN
// conversion from Vector2 to Vertex2 -----------------------------------------
inline Vertex2::Vertex2( const Vector2& vect )
{
X = vect.X;
Y = vect.Y;
W = vect.W;
}
// operator '==' does memberwise comparison for (X,Y,W) -----------------------
inline int operator ==( const Vertex2 v1, const Vertex2 v2 )
{
return ( ( v1.X == v2.X ) && ( v1.Y == v2.Y ) && ( v1.W == v2.W ) );
}
// operator '!=' does memberwise comparison for (X,Y,W) -----------------------
inline int operator !=( const Vertex2 v1, const Vertex2 v2 )
{
return ( ( v1.X != v2.X ) || ( v1.Y != v2.Y ) || ( v1.W != v2.W ) );
}
// operator '+=' does memberwise addition for (X,Y) ---------------------------
inline Vertex2& Vertex2::operator +=( const Vector2 v )
{
X += v.X;
Y += v.Y;
return *this;
}
// operator '-=' does memberwise subtraction for (X,Y) ------------------------
inline Vertex2& Vertex2::operator -=( const Vector2 v )
{
X -= v.X;
Y -= v.Y;
return *this;
}
// check if specified vertex is in vicinity of local vertex -------------------
inline int Vertex2::IsInVicinity( const Vertex2& vertex ) const
{
return ( ( fabs( X - vertex.X ) < EPS_VERTEX_MERGE ) &&
( fabs( Y - vertex.Y ) < EPS_VERTEX_MERGE ) );
}
// copy three coordinates into two plus w -------------------------------------
inline void Vertex2::InitFromVertex3( const Vertex3& vertex )
{
X = vertex.getX();
Y = vertex.getY();
W = vertex.getZ();
}
BSPLIB_NAMESPACE_END
#endif // _VERTEX2_H_
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