source: orxonox.OLD/branches/terrain/src/lib/graphics/effects/fog_effect.h @ 8569

/**
* @file fog_effect.h
*/

#ifndef _FOG_EFFECT
#define _FOG_EFFECT

#include "vector.h"

#include "weather_effect.h"

class FogEffect : public WeatherEffect
{
        public:
                FogEffect(const TiXmlElement* root = NULL);
                virtual ~FogEffect();

                virtual void loadParams(const TiXmlElement* root);

                virtual bool init();

                virtual bool activate();
                virtual bool deactivate();

                void activateFog() { this->activate(); }
                void deactivateFog() { this->deactivate(); }

                virtual void draw() const;
                virtual void tick(float dt);

                inline void setFogMode(const std::string& mode) { this->fogMode = this->stringToFogMode(mode); }
                inline void setFogDensity(float density) { this->fogDensity = density; }
                inline void setFogRange(float start, float end) { this->fogStart = start; this->fogEnd = end; }
                inline void setFogColor(float r, float g, float b) { this->colorVector = Vector(r, g, b); }
                inline void setFogOption(const std::string& option) { if (option == "activate") this->fogActivate = true; }

                void startFogging();

        private:
                GLint stringToFogMode(const std::string& mode);

                bool                            fogActivate;
                GLfloat                         fogFadeDuration;
                float                           localTimer;
                
                GLint                           fogMode;
                GLfloat                         fogDensity;
                GLfloat                         fogFadeDensity;

                GLfloat                         fogStart;
                GLfloat                         fogEnd;
                Vector                          colorVector;
};


#endif  /* _FOG_EFFECT */