#ifndef BEZIER_H
#define BEZIER_H


#define TEXTURE_COUNT        4

#define TEXTURE_BACK         0
#define TEXTURE_BUBBLE       1
#define TEXTURE_LAMPROLOGUS  2
#define TEXTURE_ANGELALTUM   3

// Default size is 0.05.   Bubbles will vary in size.
#define BUBBLE_WIDTH   (0.025)
#define BUBBLE_SPEED   (0.005)
#define MAX_BUBBLE     100

typedef struct
{
    float size;

    float x;
    float y;
    float sep;  // Stereogram separation
} Bubble_t;

typedef struct
{
    float v[3];
    double control_val[3];
} Position_t;

    


typedef struct
{
    GLuint call_list;

    float t;
    float x,y,z;
    float dx,dy,dz;
    float dx1,dy1,dz1;
    float dx2,dy2,dz2;

} Fish_t;
    

#define MAX_FISHES 8

typedef struct
{
    int Stereo_Repeat;
    int fish_count;
    GLuint frame;
    float bubble_burst;
    float fish_speed;
    

    GLuint texture[TEXTURE_COUNT];
    Bubble_t bubble[MAX_BUBBLE];

    GLuint lamprologus_list;
    GLuint angel_altum_list;

    Fish_t fishes[MAX_FISHES];
} App_Data_t;


extern App_Data_t *init_gl(void);
extern void draw_gl(App_Data_t *app_data);
extern void kill_gl(App_Data_t *app_data);
void init_surface(void);

extern void Init_Fish(Fish_t *f, GLuint call_list);
extern void Advance_Fish(Fish_t *f);
extern float Stereo_Sep(App_Data_t *app_data, float z);
extern void Evaluate_Fish(App_Data_t *app_data, Fish_t *f);

#endif