metaballs.hpp

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#pragma once
#ifndef OGLPLUS_IMAGES_METABALLS_1107121519_HPP
#define OGLPLUS_IMAGES_METABALLS_1107121519_HPP

#include <oglplus/images/image.hpp>

namespace oglplus {
namespace images {


class BaseMetaballs
 : public Image
{
public:

    BaseMetaballs(
        GLsizei width,
        GLsizei height,
        const GLfloat* balls,
        std::size_t size,
        std::size_t n_per_ball
    );
};


class Metaballs
 : public BaseMetaballs
{
public:

    Metaballs(
        GLsizei width,
        GLsizei height,
        const GLfloat* balls,
        std::size_t size
    ): BaseMetaballs(width, height, balls, size, 3)
    { }
};



class RandomMetaballs
 : public BaseMetaballs
{
private:
    static std::vector<GLfloat> _make_balls(
        std::size_t count,
        GLfloat rad_min,
        GLfloat rad_max
    );
public:

    RandomMetaballs(
        GLsizei width,
        GLsizei height,
        std::size_t count,
        GLfloat rad_min,
        GLfloat rad_max
    );
};


class Metastars
 : public BaseMetaballs
{
public:

    Metastars(
        GLsizei width,
        GLsizei height,
        const GLfloat* balls,
        std::size_t size
    ): BaseMetaballs(width, height, balls, size, 5)
    { }
};


class RandomMetastars
 : public BaseMetaballs
{
private:
    static std::vector<GLfloat> _make_stars(
        std::size_t count,
        GLfloat rad_min,
        GLfloat rad_max,
        GLfloat dif_min,
        GLfloat dif_max,
        GLuint pt_min,
        GLuint pt_max
    );
public:

    RandomMetastars(
        GLsizei width,
        GLsizei height,
        std::size_t count,
        GLfloat rad_min,
        GLfloat rad_max,
        GLfloat dif_min,
        GLfloat dif_max,
        GLuint ptc_min,
        GLuint ptc_max
    );
};

} // images
} // oglplus

#if !OGLPLUS_LINK_LIBRARY || defined(OGLPLUS_IMPLEMENTING_LIBRARY)
#include <oglplus/images/metaballs.ipp>
#endif

#endif // include guard