typedef int BodyID;

typedef enum {
	BTYPE_AABB,
	BTYPE_TILEMAP,
} BodyType;

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

BodyID phxnew(BodyType type);
void   phxdel(BodyID);

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

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

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

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