void write(lisp::Writer& writer);
void collision_solid(const CollisionHit& hit);
HitResponse collision_badguy(BadGuy& badguy, const CollisionHit& hit);
void active_update(float elapsed_time);
void write(lisp::Writer& writer);
void collision_solid(const CollisionHit& hit);
HitResponse collision_badguy(BadGuy& badguy, const CollisionHit& hit);
void active_update(float elapsed_time);