def __init__(self, config):
observer.Observable.__init__(self)
Configurable.__init__(self,
config=config,
config_fields=[
'space_width', 'space_height',
'nutrient_regen', 'nutrient_energy',
'nutrient_density', 'init_indiv_density',
'init_indiv_count', 'neighbor_access',
'incubator', 'terminated'
])
self.space = Space((self.space_width, self.space_height))
self.object_counter = defaultdict(int)
self.step_number = 0 # step counter ; just an information
