本文整理汇总了Python中brain.Brain.update方法的典型用法代码示例。如果您正苦于以下问题：Python Brain.update方法的具体用法？Python Brain.update怎么用？Python Brain.update使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类brain.Brain的用法示例。
在下文中一共展示了Brain.update方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Creature
# 需要导入模块: from brain import Brain [as 别名]
# 或者: from brain.Brain import update [as 别名]
class Creature(object):
x = y = 0.0
facing = 0.0 #In radians, 0 is facing east
velocity = 0.0
angularVelocity = 0.0 #positive is turning anticlockwise
brain = None
mouthPos = (0,0)
age = 0
EAT_RATE = 1
MAX_ENERGY = 200
energy = MAX_ENERGY
ENERGY_USE_RATE = 0.07
MAX_BOOST_FORCE = 5.0
MAX_TURN_FORCE = 0.1
MAX_ANTENNA_ANGLE = 90.0
MAX_ANTENNA_LENGTH = 200
ANTENNA_ANGLE = 40 #Degrees
ANTENNA_LENGTH = 60
def __init__(self, DNA=None, saveState=None):
self.x = self.y = 0.0
self.facing = 0.0 #In radians, 0 is facing east
self.velocity = 0.0
self.angularVelocity = 0.0 #positive is turning anticlockwise
self.mouthPos = (0,0)
self.energy = self.MAX_ENERGY
self.pulser = Pulser()
self.fAntenna = Antenna(self,0,10)
self.lAntenna = Antenna(self,-5,7)
self.rAntenna = Antenna(self,5,7)
self.antennae = []
self.lEye = Eye(self,10,8,500)
self.rEye = Eye(self,-10,8,500)
self.eyes = [self.lEye, self.rEye]
self.fBooster = Booster(self)
self.lTurn = AngularBooster(self, 0.05)
self.rTurn = AngularBooster(self, -0.05)
self.brain = Brain([self.pulser]+self.antennae+self.eyes,
5,
[self.lTurn, self.fBooster, self.rTurn])
if saveState!=None:
self.loadFromString(saveState)
elif DNA!=None:
self.loadFromDNA(DNA)
def update(self):
self.age += 1
self.energy -= self.ENERGY_USE_RATE
if self.energy < 0:
self.energy = 0
self.die()
return 0
self.brain.update()
self.brain.update()
cos = math.cos(self.facing)
sin = math.sin(self.facing)
dx = self.velocity * cos
dy = - self.velocity * sin
self.x += dx
self.y += dy
self.facing += self.angularVelocity
if self.facing > math.pi:
self.facing -= math.pi*2
elif self.facing < -math.pi:
self.facing += math.pi*2
self.mouthPos = (self.x + 20*cos, self.y - 20*sin)
l = self.ANTENNA_LENGTH
a = math.radians(self.ANTENNA_ANGLE)
self.fAntenna.x = self.x + l*cos
self.fAntenna.y = self.y - l*sin
cos2 = math.cos(self.facing+a)
sin2 = math.sin(self.facing+a)
self.lAntenna.x = self.x + l*cos2
self.lAntenna.y = self.y - l*sin2
cos2 = math.cos(self.facing-a)
sin2 = math.sin(self.facing-a)
self.rAntenna.x = self.x + l*cos2
self.rAntenna.y = self.y - l*sin2
self.velocity -= SPEED_DECAY
if self.velocity < 0:
self.velocity = 0
#.........这里部分代码省略.........
示例2: __init__
# 需要导入模块: from brain import Brain [as 别名]
# 或者: from brain.Brain import update [as 别名]
class Body:
"""This class represents the mouse body and its current behaviour in the control process"""
def __init__(self, scene_, config_):
"""Class initialization"""
self.n_iter = 0
self.scene = scene_
self.config = config_
self.logger = config_.logger
self.muscle_type = self.config.muscle_type + "(self.scene, muscle_config)"
self.name = self.config.body["name"]
# Get body object
if not self.config.body["obj"] in self.scene.objects:
self.logger.error("Body " + self.name + " doesn't exit. Check your configuration file!")
self.active = False
else:
self.body_obj = self.scene.objects[self.config.body["obj"]]
# Create and init variables for loss function
self.origin = self.body_obj.worldTransform * vec((0, 0, 0))
self.position = self.origin
self.dist = vec(self.position - self.origin).length
self.powers = []
self.av_power = 0.0
self.loss_fct = 0.0
# Create 4 legs
self.l_fo_leg = Foreleg(scene_, config_, "L")
self.r_fo_leg = Foreleg(scene_, config_, "R")
self.l_ba_leg = Backleg(scene_, config_, "L")
self.r_ba_leg = Backleg(scene_, config_, "R")
# Create the brain object
self.brain = Brain(scene_, config_)
# Create the muscles objects following config
self.muscles = []
for muscle_config in self.config.body["muscles"]:
self.muscles.append(eval(self.muscle_type))
def compute_traveled_dist(self):
"""Return a float representing the distance between origin and the current position"""
# Get current position
self.position = self.body_obj.worldTransform * vec((0, 0, 0))
# Get distance
self.dist = vec(self.position - self.origin).length
return
def compute_power(self):
"""Compute time-step power at each iteration"""
power = 0.0
# Get power from legs
power += self.l_ba_leg.get_power()
power += self.r_ba_leg.get_power()
power += self.l_fo_leg.get_power()
power += self.r_fo_leg.get_power()
# Get power from body muscles
for m in self.muscles:
power += m.get_power()
# Append to powers list
self.powers.append(power)
return
def get_loss_fct(self):
"""Compute the body loss function. This should be called only at the end of the simulation
in order to avoid useless computation at each iteration"""
self.compute_traveled_dist()
self.av_power = sum(self.powers) / float(len(self.powers))
self.loss_fct = math.tanh(self.dist / self.config.dist_ref) * \
math.tanh(self.config.power_ref / self.av_power)
return self.loss_fct
def update(self):
"""Update control signals and forces"""
# Update brain
self.brain.update()
ctrl_sig = [float(self.brain.state[0]), float(self.brain.state[1]), float(self.brain.state[2]),
float(self.brain.state[3])]
# Update the four legs
self.l_ba_leg.update(ctrl_sig)
self.r_ba_leg.update(ctrl_sig)
self.l_fo_leg.update(ctrl_sig)
self.r_fo_leg.update(ctrl_sig)
# Update other muscles
#.........这里部分代码省略.........
示例3: test_can_update_event
# 需要导入模块: from brain import Brain [as 别名]
# 或者: from brain.Brain import update [as 别名]
def test_can_update_event(self):
Brain.create(self.event)
self.event.title = "Updated event"
Brain.update(self.event)
assert Brain.read("223-unique-id").title == "Updated event"示例4: push_events_to_channels
# 需要导入模块: from brain import Brain [as 别名]
# 或者: from brain.Brain import update [as 别名]
def push_events_to_channels(self):
enrolling_events = self.whats_enrolling()
for enrolling_event in enrolling_events:
for channel in self.channels:
channel.notify(enrolling_event)
Brain.update(enrolling_event)