in multiagent/scenarios/simple_tag.py [0:0]
def reset_world(self, world):
# random properties for agents
for i, agent in enumerate(world.agents):
agent.color = np.array([0.35, 0.85, 0.35]) if not agent.adversary else np.array([0.85, 0.35, 0.35])
# random properties for landmarks
for i, landmark in enumerate(world.landmarks):
landmark.color = np.array([0.25, 0.25, 0.25])
# set random initial states
for agent in world.agents:
agent.state.p_pos = np.random.uniform(-1, +1, world.dim_p)
agent.state.p_vel = np.zeros(world.dim_p)
agent.state.c = np.zeros(world.dim_c)
for i, landmark in enumerate(world.landmarks):
if not landmark.boundary:
landmark.state.p_pos = np.random.uniform(-0.9, +0.9, world.dim_p)
landmark.state.p_vel = np.zeros(world.dim_p)