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tdegraphics/kpovmodeler/pm3dcontrolpoint.cpp

50 lines
1.7 KiB

/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2001 by Andreas Zehender
email : zehender@kde.org
**************************************************************************
**************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
**************************************************************************/
#include "pm3dcontrolpoint.h"
#include "pmmath.h"
#include <math.h>
PM3DControlPoint::PM3DControlPoint( const PMVector& point, int id,
const TQString& description )
: PMControlPoint( id, description )
{
m_point = point;
}
void PM3DControlPoint::graphicalChangeStarted( )
{
m_originalPoint = m_point;
}
void PM3DControlPoint::graphicalChange( const PMVector& startPoint,
const PMVector& /*viewNormal*/,
const PMVector& endPoint )
{
m_point = m_originalPoint + endPoint - startPoint;
}
void PM3DControlPoint::snapToGrid( )
{
int i;
double d = moveGrid( );
if( !approxZero( d ) )
for( i = 0; i < 3; i++ )
m_point[i] = rint( m_point[i] / d ) * d;
setChanged( );
}