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/*************************************************************************
*
* $RCSfile: b3dvector.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: aw $ $Date: 2003-10-31 10:14:00 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _BGFX_VECTOR_B3DVECTOR_HXX
#include <basegfx/vector/b3dvector.hxx>
#endif
namespace basegfx
{
namespace vector
{
B3DVector& B3DVector::normalize()
{
double fLen(scalar(*this));
if(!::basegfx::numeric::fTools::equalZero(fLen))
{
const double fOne(1.0);
if(!::basegfx::numeric::fTools::equal(fOne, fLen))
{
fLen = sqrt(fLen);
if(!::basegfx::numeric::fTools::equalZero(fLen))
{
mfX /= fLen;
mfY /= fLen;
mfZ /= fLen;
}
}
}
return *this;
}
B3DVector B3DVector::getPerpendicular(const B3DVector& rNormalizedVec) const
{
B3DVector aNew(*this);
aNew = cross(aNew, rNormalizedVec);
aNew.normalize();
return aNew;
}
B3DVector B3DVector::getProjectionOnPlane(const B3DVector& rNormalizedPlane) const
{
B3DVector aNew(*this);
aNew = cross(aNew, rNormalizedPlane);
aNew = cross(aNew, rNormalizedPlane);
aNew.mfX = mfX - aNew.mfX;
aNew.mfY = mfY - aNew.mfY;
aNew.mfZ = mfZ - aNew.mfZ;
return aNew;
}
} // end of namespace vector
} // end of namespace basegfx
// eof
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