typedef enum {
	BTYPE_AABB,
	BTYPE_TILEMAP,
} BodyType;

typedef struct Body Body;
typedef struct CollisionEvent {
	Body *body1;
	Body *body2;
} CollisionEvent;

Body *phxnew(BodyType type);
void  phxdel(Body *);

void phxsetmap(int w, int h, int *tiles);

void phxsetpos(Body *, float x, float y);
void phxsetsize(Body *, float w, float h);
void phxapplyaccel(Body *, float f[2]);

void phxgetpos(Body *, float pos[2]);
void phxgetsize(Body *, float size[2]);

int phxnextcollevent(CollisionEvent *ev);
void phxtick(float delta);