mutable bool needs_sync_;
mutable synfig::Mutex mutex;
void branch(int n, int depth,float t, float stunt_growth, synfig::Point position,synfig::Vector velocity)const;
void sync()const;
mutable bool needs_sync_;
mutable synfig::Mutex mutex;
void branch(int n, int depth,float t, float stunt_growth, synfig::Point position,synfig::Vector velocity)const;
void sync()const;