text: #ifndef CRENDERSKY_H
  #define CRENDERSKY_H 1
  
  class CRenderSky
  {
  public:
  	CRenderSky();
  	void draw();
  	void updateSkyPosition(float bl, float br, float ul, float ur);
  private:
  	float m_bottomLeftCoor;
  	float m_bottomRightCoor;
  	float m_upperLeftCoor;
  	float m_upperRightCoor;
  	float m_thick;
  };
  
  #endif 