- bool tick_single(ObjectSlot &, const Time::TimeDelta &);
- bool tick_stacked(ObjectSlot &, const Time::TimeDelta &);
+ void tick_single(Target &, const Time::TimeDelta &);
+ void tick_stacked(Target &, const Time::TimeDelta &);
+ static void set_object_uniform(AnimatedObject &, const std::string &, const KeyFrame::AnimatedUniform &);