#ifndef CAMERA_H
#define CAMERA_H

#include "utils.h"

#include <stdbool.h>
#include "chunk.h"

#define GRAVITY 4
/**
 * Camera, as a moving point with direction
 */
typedef struct Camera
{
    vec3f position;
    vec3f rotation;
    vec3f speed;
    ChunkManager *cm;
} Camera;

/**
 * Initialize the camera to the start position.
 */
void init_camera(Camera* camera);

/**
 * Update the position of the camera.
 */
void update_camera(Camera* camera, double time);

/**
 * Apply the camera settings to the view transformation.
 */
void set_view(const Camera* camera);
void set_view_fix(const Camera* camera);

/**
 * Set the horizontal and vertical rotation of the view angle.
 */
void rotate_camera(Camera* camera, double horizontal, double vertical);

/**
 * Set the speed of forward and backward motion.
 */
void camera_set_speed(Camera* camera, double speed);

void camera_set_vertical_speed(Camera* camera, double speed);

/**
 * Set the speed of left and right side steps.
 */
void camera_set_side_speed(Camera* camera, double speed);

vec3f get_camera_dir_vec3f(Camera* camera);

#endif /* CAMERA_H */