SunExampleComposition.h

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#ifndef GlobeEngine_SunExampleComposition_h
#define GlobeEngine_SunExampleComposition_h

#include "Composition.h"

namespace geSunExample {
    
    class GaussianBlurComposition : public ge::Composition
    {
    public:
        GaussianBlurComposition(){};
        ~GaussianBlurComposition(){};
        
        void setHorizontalBlurStep(bool _in) {
            if (_in){
                this->horizontal = 1;
            }else {
                this->horizontal = 0;
            }
            
        }
    protected:
        void drawFrame(std::shared_ptr<ge::Camera> _cam);
        
    private:
        int horizontal; // horizontal vs. vertical
    };
    
    class SunExampleComposition : public ge::Composition
    {
    public:
        SunExampleComposition();
        ~SunExampleComposition(){};
        
        void setLightPositionOnScreen(vmml::Vector2f _in) {
            lightPositionOnScreen = _in;
        }
        
        void setExposure(float _in) {
            this->exposure = _in;
        }
        
        void enableUIFbo() {
            this->fboUIActive = true;
        }
        
        void disableUIFbo(){
            this->fboUIActive = false;
        }
        
        bool isUIFboactive(){
            return this->fboUIActive;
        }
        
    protected:
        void drawFrame(std::shared_ptr<ge::Camera> _cam);
        
    private:
        bool fboUIActive;
        float exposure;
        
        // Light shafts
        vmml::Vector2f lightPositionOnScreen;
        int numberOfSamples;
        float exposurerays;
        float decay;
        float density;
        float weight;
    };
}
#endif