// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010  Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#include "stdmisc.h"

#include "nel/misc/line.h"

namespace NLMISC
{

void CLine::project(const CVector &inV,CVector &outV)
{
	CVector seg = V1 - V0;
	float n = seg.sqrnorm();
	if (n == 0.f)
	{
		outV = V0;
	}
	else
	{
		float dp = (inV - V0) * seg;
		outV = V0 + (dp /  n) * seg;
	}
}



} // NLMISC