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72 lines
1.9 KiB
Python
72 lines
1.9 KiB
Python
"""
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Mesa-SOIL integration tests
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We have to test that:
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- Mesa agents can be used in SOIL
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- Simplified soil agents can be used in mesa simulations
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- Mesa and soil agents can interact in a simulation
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- Mesa visualizations work with SOIL simulations
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"""
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from mesa import Agent, Model
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from mesa.time import RandomActivation
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from mesa.space import MultiGrid
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class MoneyAgent(Agent):
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"""An agent with fixed initial wealth."""
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def __init__(self, unique_id, model):
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super().__init__(unique_id, model)
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self.wealth = 1
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def step(self):
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self.move()
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if self.wealth > 0:
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self.give_money()
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def give_money(self):
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cellmates = self.model.grid.get_cell_list_contents([self.pos])
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if len(cellmates) > 1:
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other = self.random.choice(cellmates)
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other.wealth += 1
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self.wealth -= 1
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def move(self):
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possible_steps = self.model.grid.get_neighborhood(
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self.pos, moore=True, include_center=False
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)
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new_position = self.random.choice(possible_steps)
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self.model.grid.move_agent(self, new_position)
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class MoneyModel(Model):
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"""A model with some number of agents."""
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def __init__(self, N, width, height):
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self.num_agents = N
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self.grid = MultiGrid(width, height, True)
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self.schedule = RandomActivation(self)
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# Create agents
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for i in range(self.num_agents):
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a = MoneyAgent(i, self)
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self.schedule.add(a)
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# Add the agent to a random grid cell
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x = self.random.randrange(self.grid.width)
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y = self.random.randrange(self.grid.height)
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self.grid.place_agent(a, (x, y))
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def step(self):
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"""Advance the model by one step."""
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self.schedule.step()
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# model = MoneyModel(10)
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# for i in range(10):
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# model.step()
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# agent_wealth = [a.wealth for a in model.schedule.agents]
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