Merging two Swarms
- main( ) creates ObserverSwarm
- ObserverSwarm creates ModelSwarm as a subswarm in own memory zone
- ModelSwarm creates agents and activates self in ObserverSwarm
[modelSwarm create: self];
[modelSwarm buildObjects];
[modelSwarm buildActions];
[modelSwarm activateIn: self];
-activateIn: swarmContext;