New Action

Definition:	The New action: generates a new agent in the cell indicated with the shape selected.
Parameters:	direction: specifies where to create a new agent. shape: specifies the type of new agent.
Additional Parameters:	layer: specifies on which layer to put the new agent.
Example:	In the Frogger game, the Tunnel agent generates new Trucks to its right, once every 0.6 seconds, with a 25% chance, as long as there is road where it is supposed to create the new car (to avoid piling cars on top of each other).