def score_fitness(self, outer):
"""
Give a fitness score for the Chromosome
Parameters
----------
outer : GA_Agent
Returns
-------
integer
Fitness score for the Chromosome.
"""
env = outer.init_env_state()
how_far = 0
for move in self.moves:
direction = move[0]
xv, yv = self.get_move(direction)
env = asteroids_exp.move(env, xv, yv, move[1], outer.window_width, outer.window_height, outer.args, lambda x: asteroids_exp.render(outer.view, x))
if env.goal == asteroids_exp.Goal.FAIL:
#print("fail")
return how_far #env.ship.fuel +
elif env.ship.x > outer.window_width and env.goal == asteroids_exp.Goal.SUCCESS:
return outer.window_width+1001 + env.ship.fuel*100
else:
#print("ok")
how_far = env.ship.x
#print(env.ship.fuel)
return how_far*10 + env.ship.fuel*10
def act(self, state, direction, time):
#pdb.set_trace()
xv, yv = self.get_move(direction)
state = asteroids_exp.move(
state, xv, yv, time, self.window_width, self.window_height,
self.args, lambda x: asteroids_exp.render(self.view, x))
return state
def act(self, outer):
"""
Determine the states performance score by stepping through each move
in the state.
Parameters
----------
outer : SA_Agent
The simulated annealing agent the node is inside of.
Returns
-------
integer
Numerical value for a performance measure. Higher is better.
"""
outer.init_env_state()
how_far = 0
for move in self.state:
direction = move[0]
xv, yv = self.get_move(direction)
outer.env_state = asteroids_exp.move(outer.env_state, xv, yv, move[1], outer.window_width, outer.window_height, outer.args, lambda x: asteroids_exp.render(outer.view, x))
if outer.env_state.goal == asteroids_exp.Goal.FAIL:
return how_far
elif outer.env_state.goal == asteroids_exp.Goal.SUCCESS:
return outer.window_width + outer.env_state.ship.fuel - len(self.state) + 10001
else:
how_far = outer.env_state.ship.x
return how_far + outer.env_state.ship.fuel - len(self.state)
def __init__(self, initialState, moves):
self.listMoves = moves
state = initialState
for move in moves:
state = asteroids_exp.move(state, SA_Agent.MOVES[move[0]][0],
SA_Agent.MOVES[move[0]][1], move[1],
SA_Agent.window_width,
SA_Agent.window_height, FARG, None)
self.fuel = state.ship.fuel
self.collisions = state.num_collisions
def check_sol(self):
"""
Goes through the solution state for this agent and checks to see if it is a failure
or a success
Returns
-------
None.
"""
self.init_env_state()
for move in self.solution:
direction = move[0]
xv, yv = asteroids_exp.MOVES[direction]
self.env_state = asteroids_exp.move(self.env_state, xv, yv, move[1], self.window_width, self.window_height, self.args, lambda x: asteroids_exp.render(self.view, x))
if self.env_state.goal == asteroids_exp.Goal.FAIL:
print("failure")
return
if self.env_state.goal == asteroids_exp.Goal.SUCCESS:
print("success")
return