Real start_v = dynamics_[0]->volume_;
if (dynamics_.back ()->volume_ < 0)
- dynamics_.back ()->volume_ = max (min (start_v + grow_dir_ * 0.25, 1.0), 0.0);
+ dynamics_.back ()->volume_ = max (min (start_v + grow_dir_ * 0.25, 1.0), 0.1);
delta_v = dynamics_.back ()->volume_ - dynamics_[0]->volume_;