jtmm2/include/camera.h

#ifndef _DEF_CAMERA
#define _DEF_CAMERA

#include "vec.h"

typedef struct Camera {
	Vec pos;
	Vec offset; /* adjusted pixel offset based on pos */
	Vec *target; /* the target position to lerp on */
	Vec min; /* Values set by level_set used to limit camera position */
	Vec max; /* See min comment */
	float speed; /* camera lerp speed with 0 < speed <= 1 */
} Camera;

#include "player.h"
#include "level.h"

/* update camera position */
void camera_step(Camera *camera);

/* set the min and max position of the camera and center it on player */
void camera_init(Camera *camera, Player *player, const Level *level);

/* draw a dot corresponding to camera position */
void camera_draw_debug(Camera *camera);

#endif /* _DEF_CAMERA */