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//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// 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
//
// Current versions can be found at www.libavg.de
//
#include "WideLine.h"
#include "GLMHelper.h"
namespace avg {
WideLine::WideLine(const glm::vec2& p0, const glm::vec2& p1, float width)
: pt0(p0),
pt1(p1)
{
glm::vec2 m = glm::normalize(pt1-pt0);
glm::vec2 w = glm::vec2(m.y, -m.x)*(width/2);
pl0 = p0-w;
pr0 = p0+w;
pl1 = p1-w;
pr1 = p1+w;
dir = glm::vec2(w.y, -w.x);
}
float WideLine::getLen() const
{
return glm::length(pt1-pt0);
}
std::ostream& operator<<(std::ostream& os, const WideLine& line)
{
os << "(" << line.pt0 << "," << line.pt1 << ")";
return os;
}
}
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