virtual void move(f32 dtime, Environment *env, f32 pos_max_d)
{}
virtual void move(f32 dtime, Environment *env, f32 pos_max_d,
virtual void move(f32 dtime, Environment *env, f32 pos_max_d)
{}
virtual void move(f32 dtime, Environment *env, f32 pos_max_d,