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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
//
#ifndef _GLMHelper_H_
#define _GLMHelper_H_
#include "../api.h"
#include "../glm/glm.hpp"
#include "../glm/gtc/matrix_transform.hpp"
#include "../glm/gtc/type_ptr.hpp"
#include <iostream>
#include <vector>
namespace avg {
glm::vec2 getRotated(const glm::vec2& vec, float angle);
glm::vec2 getRotatedPivot(const glm::vec2& vec, float angle,
const glm::vec2& pivot=glm::vec2(0,0));
float getAngle(const glm::vec2& vec);
glm::vec2 fromPolar(float angle, float radius);
template<class NUM>
bool almostEqual(const glm::detail::tvec2<NUM>& v1, const glm::detail::tvec2<NUM>& v2);
template<class NUM>
bool almostEqual(const glm::detail::tvec4<NUM>& v1, const glm::detail::tvec4<NUM>& v2);
template<class NUM>
std::ostream& operator<<(std::ostream& os, const glm::detail::tvec2<NUM> &v);
template<class NUM>
std::ostream& operator<<(std::ostream& os, const glm::detail::tvec3<NUM> &v);
template<class NUM>
std::ostream& operator<<(std::ostream& os, const glm::detail::tvec4<NUM> &v);
template<class NUM>
std::ostream& operator<<(std::ostream& os, const glm::detail::tmat4x4<NUM> &v);
template<class NUM>
std::istream& operator>>(std::istream& is, glm::detail::tvec2<NUM>& p);
template<class NUM>
std::istream& operator>>(std::istream& is, glm::detail::tvec3<NUM>& p);
typedef glm::ivec2 IntPoint;
typedef std::vector<glm::vec2> Vec2Vector;
glm::vec2 stringToVec2(const std::string& s);
glm::vec3 stringToVec3(const std::string& s);
glm::ivec3 stringToIVec3(const std::string& s);
}
#endif
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