vector2d

template <class T>
class vector2D
{
    std::vector<T> m_Field;
    int m_Height;
    int m_Width;
public:
    int getWidth() const{return m_Width;}
    int getHeight() const{return m_Height;}

    vector2D()
        :m_Field(),
        m_Height(0),
        m_Width(0)
    {
    }

    vector2D(int width, int height)
        :m_Field(width*height),
        m_Height(width),
        m_Width(height)
    {
    }

    void resize(int width, int height)
    {
        m_Width = width;
        m_Height = height;
        m_Field.resize(m_Width*m_Height)
    }

    T& at(int x, int y)
    {
        return m_Field.at(m_Width*vector.y+vector.x);
    }

    const T& at(int x, int y) const
    {
        return m_Field.at(m_Width*vector.y+vector.x);
    }
};