ENH: added Entity class
I added the imstk::Entity
class. This class will be the base class for all entities (scene objects, lights, etc.) in iMSTK. It contains an atomic counter for generating unique IDs.
Why it's called Entity
rather than Object
:
https://stackoverflow.com/questions/27897714/whats-the-distinction-between-an-entity-and-a-game-object
Closes #218 (closed)