Math/TriangulationFigures.hpp

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//
// Thor C++ Library
// Copyright (c) 2011-2012 Jan Haller
// 
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// 
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 
// 1. The origin of this software must not be misrepresented; you must not
//    claim that you wrote the original software. If you use this software
//    in a product, an acknowledgment in the product documentation would be
//    appreciated but is not required.
// 
// 2. Altered source versions must be plainly marked as such, and must not be
//    misrepresented as being the original software.
// 
// 3. This notice may not be removed or altered from any source distribution.
//


#ifndef THOR_TRIANGULATIONFIGURES_HPP
#define THOR_TRIANGULATIONFIGURES_HPP

#include <Thor/Config.hpp>

#include <SFML/System/Vector2.hpp>

#include THOR_TR1_HEADER(array)
#include <cassert>


namespace thor
{


class THOR_API Vertex
{
    // ---------------------------------------------------------------------------------------------------------------------------
    // Public member functions
    public:
        explicit                    Vertex(sf::Vector2f position);
        
                                    Vertex(float x, float y);
    
        sf::Vector2f                GetPosition() const;
            

    // ---------------------------------------------------------------------------------------------------------------------------
    // Private variables
    private:
        sf::Vector2f                mPosition;
};


template <class VertexType>
class Edge
{
    // ---------------------------------------------------------------------------------------------------------------------------
    // Public member functions
    public:
                                    Edge(const VertexType& startPoint, const VertexType& endPoint);
                
        const VertexType&           operator[] (unsigned int cornerIndex) const;
        

    // ---------------------------------------------------------------------------------------------------------------------------
    // Protected variables
    protected:
        std::tr1::array<const VertexType*, 2> mCorners;
};


template <class VertexType>
class Triangle
{
    // ---------------------------------------------------------------------------------------------------------------------------
    // Public member functions
    public:
                                    Triangle(const VertexType& v0, const VertexType& v1, const VertexType& v2);
            
        const VertexType&           operator[] (unsigned int cornerIndex) const;


    // ---------------------------------------------------------------------------------------------------------------------------
    // Private variables
    private:
        std::tr1::array<const VertexType*, 3>   mCorners;
};


} // namespace thor

#include <Thor/Detail/TriangulationFigures.inl>
#endif // THOR_TRIANGULATIONFIGURES_HPP