RectangleShape.hpp

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/*
 * =====================================================================================
 *
 *       Filename:  RectangleShape.hpp
 *
 *    Description:
 *
 *        Created:  27/09/2014 17:06:48
 *
 *         Author:  Quentin Bazin, <gnidmoo@gmail.com>
 *
 * =====================================================================================
 */
#ifndef GK_RECTANGLESHAPE_HPP_
#define GK_RECTANGLESHAPE_HPP_

#include <array>

#include "gk/graphics/Color.hpp"
#include "gk/gl/IDrawable.hpp"
#include "gk/gl/Transformable.hpp"
#include "gk/gl/VertexBuffer.hpp"

namespace gk {

class RectangleShape : public IDrawable, public Transformable {
    public:
        RectangleShape();
        RectangleShape(float width, float height, const Color &color = Color::White);

        const Color &color() const { return m_color; }
        void setColor(const Color &color) { m_color = color; updateVertexBuffer(); }

        void setWireframeMode(bool wireframeMode) { m_wireframeMode = wireframeMode; }

        float width() const { return m_width; }
        float height() const { return m_height; }

        Vector2f getSize() const { return Vector2f{m_width, m_height}; }

        void setSize(float width, float height) { m_width = width; m_height = height; updateVertexBuffer(); }

        void setOutlineColor(const Color &color) { m_outlineColor = color; updateVertexBuffer(); }
        void setOutlineThickness(int outlineThickness) { m_outlineThickness = outlineThickness; updateVertexBuffer(); }

    private:
        void updateVertexBuffer() const;

        void draw(RenderTarget &target, RenderStates states) const override;

        Color m_color;

        bool m_wireframeMode = false;

        float m_width = 0;
        float m_height = 0;

        VertexBuffer m_vbo;

        Color m_outlineColor{Color::White};
        int m_outlineThickness = 0;

        std::array<GLubyte, 6 * 5> m_indices{
            0, 1, 3,
            3, 1, 2
        };
};

} // namespace gk

#endif // GK_RECTANGLESHAPE_HPP_