fire_explosion.h

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#ifndef _FIRE_EXPLOSION_H_
#define _FIRE_EXPLOSION_H_

#include <Inventor/nodes/SoRotation.h>
#include <Inventor/nodes/SoTextureCoordinate2.h>

#include "camera.h"
#include "explosion.h"
#include "templates/observer.h"

class FireExplosion: public Explosion, public Templates::Observer<Camera>
{
        private:

                static const int TEXTURE_INDEX_NOT_SET = -1;

                static const int TEXTURE_INDEX_MIN = 0;

                static const int TEXTURE_INDEX_MAX = 15;

                float _actualTime;

                int _textureIndex;

                SoSeparator *_billboard;

                SoTextureCoordinate2 *_textureCoord;

                Camera *_camera;

                SoRotationXYZ *_rotX;

                SoRotationXYZ *_rotY;

        private:

                // Disable copy constructor and assignment operator
                FireExplosion(const FireExplosion &);
                FireExplosion & operator=(const FireExplosion &);


                static const char *getRandomTextureFileName();

        public:

                FireExplosion(SbColor color, Camera *camera);

                virtual ~FireExplosion();

                // Override
                FireExplosion *clone() const;

                // Override
                virtual void timeUpdate(float dt);

                // Override
                virtual void update(Camera *subject);
};

#endif