source: orxonox.OLD/branches/atmospheric_engine/src/lib/graphics/effects/cloud_effect.h @ 7782

/**
* @file cloud_effect.h
*/

#ifndef _CLOUD_EFFECT
#define _CLOUD_EFFECT

#include "vector.h"
#include "vector2D.h"

#include "weather_effect.h"

#include "sound_buffer.h"
#include "sound_source.h"

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

                virtual void loadParams(const TiXmlElement* root);

                virtual bool init();

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

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

        private:
                // Basic noise map 32x32
                float map32[32 * 32];

                // The cloud map
                float map256[256 * 256];

                char texture[256][256][3];       //Temporary array to hold texture RGB values 

                float noise(int x, int y, int random);
                void setNoise(float  *map);
                float interpolate(float x, float y, float  *map);
                void overlapOctaves(float  *map32, float  *map256);
                void expFilter(float  *map);
                GLuint texID[1];

};

#endif  /* _CLOUD_EFFECT */