entity
Creates and adds an entity to the World.
Receiver
the World for creating the entity.
Return
the entity's ID as Int.
Parameters
entityEdit 
the inlined function with EntityEdit.
Creates and adds an entity to the World.
Receiver
the World for creating the entity.
Return
the entity's ID as Int.
Parameters
archetype
the Archetype to add to the entity.
entityEdit 
the inlined function with the EntityEdit.