include/Grid.h

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#ifndef GRID_H
#define GRID_H

#include "OpenEXR/ImathVec.h"
#include "ngl/Types.h"


class Grid
{
public:
    Grid();

    Grid(int _w, int _h, const float &_spacing);

    ~Grid();

    void init(bool _terrain = false);

    void drawOriginal();

    void drawDeformed();

    void updateBuffers();

    inline void set(int _w, int _h)
    {
        m_width = _w;
        m_width = _h;
        m_size = _w*_h;
    }

    int getSize()const{return m_size;}

    inline Imath::V3f* getDeformedVertsPtr(){return m_deformedVerts ;}

    inline Imath::V3f* getVertsPtr(){return m_verts;}

private:
    void draw(GLuint _vao);

    int m_width;
    int m_height;
    int m_size;

    float m_spacing;

    GLuint m_VAO, m_posVBO, m_normalVBO;

    GLuint m_deformedVAO, m_deformedPosVBO, m_deformedNormalVBO;

    Imath::V3f *m_verts;

    Imath::V3f *m_deformedVerts;
};

#endif // GRID_H