class Player:
def __init__(self):
self.fitness = 0
self.vision = []
self.decision = []
self.lifespan = 0
self.max_lifespan = 500
self.best_score = 0
self.dead = False
self.score = 0
self.gen = 0
self.genome_inputs = 8
self.genome_outputs = 2
self.brain = Genome(self.genome_inputs, self.genome_outputs)
def reward(self, reward):
self.score += reward
self.max_lifespan += reward
if self.score < 1:
self.max_lifespan -= 1
def update(self):
self.lifespan += 1
# self.score -= 0.02
if self.lifespan > self.max_lifespan or self.score < -5:
self.dead = True
self.calculate_fitness()
def look(self, inputs):
self.vision = []
self.vision = inputs
def think(self):
# choice_max = 0
# max_index = 0
self.decision = self.brain.feed_forward(self.vision)
# for i in range(len(self.decision)):
# if self.decision[i] > choice_max:
# choice_max = self.decision[i]
# max_index = i
return self.decision # max_index
def clone(self):
clone = Player()
clone.brain = self.brain.clone()
clone.fitness = self.fitness
clone.brain.generate_network()
clone.gen = self.gen
clone.best_score = self.score
return clone
def calculate_fitness(self):
self.fitness = (self.score * self.score) + self.lifespan
def crossover(self, parent2):
child = Player()
child.brain = self.brain.crossover(parent2.brain)
child.brain.generate_network()
return child
class Player:
size_x = 100
size_y = 50
genome_inputs = 4
genome_outputs = 2 # Up or down?
def __init__(self, game):
self.game = game
self.top = game.top
self.middle = game.middle
self.bottom = game.bottom
self.position_x = 0.075 * game.width
self.position_y = game.middle
self.speed_x = 0
self.speed_y = 0
self.color = (255, 255, 255)
self.speed = 10
self.dead = False
self.next_lane = None
self.fitness = 0
self.unadjusted_fitness = 0
self.lifespan = 0
self.best_score = 0
self.replay = False
self.score = 0
self.gen = 0
self.vision = [0 for _ in range(self.genome_inputs)]
self.decision = [0 for _ in range(self.genome_outputs)]
self.brain = Genome(self.genome_inputs, self.genome_outputs)
def draw(self):
arcade.draw_rectangle_filled(self.position_x, self.position_y,
self.size_x, self.size_y, self.color)
def update(self):
self.increment_counters()
if self.next_lane == None:
if self.speed_y > 0:
if self.position_y == self.bottom:
self.next_lane = self.middle
elif self.position_y == self.middle:
self.next_lane = self.top
elif self.speed_y < 0:
if self.position_y == self.top:
self.next_lane = self.middle
elif self.position_y == self.middle:
self.next_lane = self.bottom
else:
if self.speed_y > 0:
if (self.next_lane == self.middle
and self.position_y >= self.middle):
self.next_lane = None
self.position_y = self.middle
self.speed_y = 0
elif (self.next_lane == self.top
and self.position_y >= self.top):
self.next_lane = None
self.position_y = self.top
self.speed_y = 0
else:
self.position_y += self.speed_y
if self.speed_y < 0:
if (self.next_lane == self.middle
and self.position_y <= self.middle):
self.next_lane = None
self.position_y = self.middle
self.speed_y = 0
elif (self.next_lane == self.bottom
and self.position_y <= self.bottom):
self.next_lane = None
self.position_y = self.bottom
self.speed_y = 0
else:
self.position_y += self.speed_y
for enemy in self.game.enemy_list:
if enemy.collided(self):
self.dead = True
break
def move(self, direction):
if self.next_lane == None:
if direction == 'up':
self.speed_y = self.speed
elif direction == 'down':
self.speed_y = -self.speed
def clone(self):
clone = Player(self.game)
clone.brain = self.brain.clone()
clone.fitness = self.fitness
clone.unadjusted_fitness = self.unadjusted_fitness
clone.brain.generate_network()
clone.gen = self.gen
clone.best_score = self.best_score
clone.color = self.color
return clone
def calculate_fitness(self):
self.unadjusted_fitness = self.score * self.score
self.fitness = self.unadjusted_fitness
def crossover(self, parent_2):
child = Player(self.game)
child.color = self.color
child.brain = self.brain.crossover(parent_2.brain)
child.brain.generate_network()
return child
def look(self):
if len(self.game.enemy_list) > 0:
dist_min_bot = 1e6
dist_min_mid = 1e6
dist_min_top = 1e6
for enemy in self.game.enemy_list:
dist = enemy.position_x - self.position_x
if dist <= 0:
continue
if enemy.position_y == self.bottom:
if dist < dist_min_bot:
dist_min_bot = dist
if enemy.position_y == self.middle:
if dist < dist_min_mid:
dist_min_mid = dist
if enemy.position_y == self.top:
if dist < dist_min_top:
dist_min_top = dist
self.vision[0] = (dist_min_bot /
self.game.width if dist_min_bot != 1e6 else 1)
self.vision[1] = (dist_min_mid /
self.game.width if dist_min_mid != 1e6 else 1)
self.vision[2] = (dist_min_top /
self.game.width if dist_min_top != 1e6 else 1)
else:
self.vision[0] = 1
self.vision[1] = 1
self.vision[2] = 1
self.vision[3] = self.position_y / self.game.height
def think(self):
decision = self.brain.feed_forward(self.vision)
action_certainty = max(decision)
action_taken = decision.index(action_certainty)
if action_taken == 0:
self.move('up')
elif action_taken == 1:
self.move('down')
def increment_counters(self):
self.lifespan += 1
if self.lifespan % 5 == 0:
self.score += 1
class Player:
MAX_ROTATION = 25
IMGS = [pygame.transform.scale2x(pygame.image.load(
os.path.join("imgs", "bird" + str(x) + ".png"))) for x in range(1, 4)]
ROT_VEL = 20
ANIMATION_TIME = 5
genome_inputs = 3 # Flappy-Bird Vision! If you change vision parameter in look(), change here too!
genome_outputs = 1 # To jump or not to jump!
def __init__(self, x, y):
self.dead = False
self.x = x
self.y = y
self.tilt = 0
self.tick_count = 0
self.vel = 0
self.height = self.y
self.img_count = 0
self.img = self.IMGS[0]
self.fitness = 1
self.unadjusted_fitness = 0
self.lifespan = 0
self.best_score = 0
#self.replay = False
self.score = 1
#self.gen = 0
self.vision = [0 for _ in range(self.genome_inputs)]
self.decision = 0
self.brain = Genome(self.genome_inputs, self.genome_outputs)
def draw(self, win):
self.img_count += 1
if self.img_count <= self.ANIMATION_TIME:
self.img = self.IMGS[0]
elif self.img_count <= self.ANIMATION_TIME*2:
self.img = self.IMGS[1]
elif self.img_count <= self.ANIMATION_TIME*3:
self.img = self.IMGS[2]
elif self.img_count <= self.ANIMATION_TIME*4:
self.img = self.IMGS[1]
elif self.img_count == self.ANIMATION_TIME*4 + 1:
self.img = self.IMGS[0]
self.img_count = 0
if self.tilt <= -80:
self.img = self.IMGS[1]
self.img_count = self.ANIMATION_TIME*2
self.blitRotateCenter(win, self.img, (self.x, self.y), self.tilt)
def blitRotateCenter(self, surf, image, topleft, angle):
rotated_image = pygame.transform.rotate(image, angle)
new_rect = rotated_image.get_rect(
center=image.get_rect(topleft=topleft).center)
surf.blit(rotated_image, new_rect.topleft)
def get_mask(self):
return pygame.mask.from_surface(self.img)
def jump(self):
self.vel = -10.5
self.tick_count = 0
self.height = self.y
def move(self):
self.tick_count += 1
displacement = self.vel*(self.tick_count) + 0.5 * \
(3)*(self.tick_count)**2
if displacement >= 16:
displacement = (displacement/abs(displacement)) * 16
if displacement < 0:
displacement -= 2
self.y = self.y + displacement
if displacement < 0 or self.y < self.height + 50:
if self.tilt < self.MAX_ROTATION:
self.tilt = self.MAX_ROTATION
else:
if self.tilt > -90:
self.tilt -= self.ROT_VEL
def clone(self):
clone = Player(230, randint(200,400))
clone.brain = self.brain.clone()
clone.fitness = self.fitness
clone.unadjusted_fitness = self.unadjusted_fitness
clone.brain.generate_network()
clone.best_score = self.best_score
return clone
def calculate_fitness(self):
self.unadjusted_fitness = self.score*self.score
self.fitness = self.unadjusted_fitness
def crossover(self, parent_2):
child = Player(230, randint(200,400))
child.brain = self.brain.crossover(parent_2.brain)
child.brain.generate_network()
return child
def look(self, pipes, pipe_ind):
self.vision[0] = self.y
self.vision[1] = abs(self.y - pipes[pipe_ind].height)
self.vision[2] = abs(self.y - pipes[pipe_ind].bottom)
def think_and_act(self):
decision = self.brain.feed_forward(self.vision)[0]
if decision > 0:
self.jump()
#def increment_counters(self):
# self.lifespan += 1
#
# if self.lifespan % 5 == 0:
# self.score += 1
def increment_score_by(self, number):
self.score += number