def make_world()

in multiagent/scenarios/simple_world_comm.py [0:0]

• 44 lines of code
• 16 McCabe index (conditional complexity)

    def make_world(self):
        world = World()
        # set any world properties first
        world.dim_c = 4
        #world.damping = 1
        num_good_agents = 2
        num_adversaries = 4
        num_agents = num_adversaries + num_good_agents
        num_landmarks = 1
        num_food = 2
        num_forests = 2
        # add agents
        world.agents = [Agent() for i in range(num_agents)]
        for i, agent in enumerate(world.agents):
            agent.name = 'agent %d' % i
            agent.collide = True
            agent.leader = True if i == 0 else False
            agent.silent = True if i > 0 else False
            agent.adversary = True if i < num_adversaries else False
            agent.size = 0.075 if agent.adversary else 0.045
            agent.accel = 3.0 if agent.adversary else 4.0
            #agent.accel = 20.0 if agent.adversary else 25.0
            agent.max_speed = 1.0 if agent.adversary else 1.3
        # add landmarks
        world.landmarks = [Landmark() for i in range(num_landmarks)]
        for i, landmark in enumerate(world.landmarks):
            landmark.name = 'landmark %d' % i
            landmark.collide = True
            landmark.movable = False
            landmark.size = 0.2
            landmark.boundary = False
        world.food = [Landmark() for i in range(num_food)]
        for i, landmark in enumerate(world.food):
            landmark.name = 'food %d' % i
            landmark.collide = False
            landmark.movable = False
            landmark.size = 0.03
            landmark.boundary = False
        world.forests = [Landmark() for i in range(num_forests)]
        for i, landmark in enumerate(world.forests):
            landmark.name = 'forest %d' % i
            landmark.collide = False
            landmark.movable = False
            landmark.size = 0.3
            landmark.boundary = False
        world.landmarks += world.food
        world.landmarks += world.forests
        #world.landmarks += self.set_boundaries(world)  # world boundaries now penalized with negative reward
        # make initial conditions
        self.reset_world(world)
        return world