text: #ifndef _LED_ON_OPENGL_HPP
  #define _LED_ON_OPENGL_HPP
  
  #include "LedOpenGL.hpp"
  
  class LedOnOpenGL : public LedOpenGL
  {
    public:
      LedOnOpenGL();
     
      ~LedOnOpenGL();
      
      void initialize(
          std::shared_ptr<GLfloat>& vertexBufferData,
          unsigned int vertexCount);
  
    protected:
      GLuint _loadShaders();
      
      std::unique_ptr<GLfloat, std::default_delete<GLfloat>> _vertexColorBufferData;
      
      GLuint _colorBuffer;
      GLuint _vertexColorID;
  };
  
  #endif
  