def __init__(self):
self.brain = BrainController()
self.energy = 100
self.openMouth = 0
self.hide = 0
class Animat:
def __init__(self):
self.brain = BrainController()
self.energy = 100
self.openMouth = 0
self.hide = 0
'''
Trains the network with a given set of inputs and outputs
@param animatInputs: an AnimatInput object to train on
@param animatOutputs: an AnimatOutput object to train on
'''
def train(self, animatInputs, animatOutputs):
auditoryInputs = []
auditoryOutputs = []
vocalInputs = []
vocalOutputs = []
# build the inputs and output lists to train on, from the animatInputs and animatOutputs tuples
for i in range(len(animatInputs.auditoryInputs)):
auditoryInputs.append(animatInputs.auditoryInputs[i])
auditoryOutputs.append(animatOutputs.auditoryOutputs[i])
vocalInputs.append(animatInputs.vocalInputs[i])
vocalOutputs.append(animatOutputs.vocalOutputs[i])
error = self.brain.trainAuditory(auditoryInputs, auditoryOutputs, momentum=0.99)
error += self.brain.trainVocal(vocalInputs, vocalOutputs, momentum=0.99)
return error
'''
Returns the binary string that encodes the animat behavior
'''
def getBehaviorString(self):
dataInputs = [(-1,-1),(-1,1),(1,-1),(1,1)]
auditoryStrategy = ""
vocalStrategy = ""
# go through each possible input and get the outputs of the network
for i in range(len(dataInputs)):
input = dataInputs[i]
aOut = map(lambda x: 0 if x <= 0 else 1, self.brain.activateAuditory(input))
vOut = map(lambda x: 0 if x <= 0 else 1, self.brain.activateVocal(input))
auditoryStrategy += str(aOut[0])+str(aOut[1])
vocalStrategy += str(vOut[0])+str(vOut[1])
return auditoryStrategy + " " + vocalStrategy
'''
Returns data that another animat can train on
'''
def getTrainingData(self):
# the training data that we're going to build
auditoryInputs = []
vocalInputs = []
auditoryOutputs = []
vocalOutputs = []
for i in range(4): # get four rounds of training data
dataInput = []
for j in range(4):
dataInput.append(-1 if randint(0,1) == 0 else 1)
# get the outputs for dataInput and add them to the output training data
auditoryInputs.append(dataInput[0:2])
vocalInputs.append(dataInput[2:4])
o = self.brain.activateNetworks(dataInput)
auditoryOutputs.append((o[0],o[1]))
vocalOutputs.append((o[2],o[3]))
return [AnimatInputs(auditoryInputs,vocalInputs), AnimatOutputs(auditoryOutputs,vocalOutputs)]
'''
Returns true if the mouth is open
'''
def mouthOpen(self):
return (self.openMouth > 0)
'''
Returns true if the animat is hidden
'''
def hidden(self):
return (self.hide > 0)
'''
Method called each timestep and sets an animats attributes
@param inputs: a list of 4 floats (hear1, hear2, fed, hurt)
@return: A list of make1, make2; the sounds that were made by the animat
'''
def timeCyle(self, hear1, hear2, fed, hurt):
if fed == 1:
self.energy += 1
if hurt == 1:
self.energy -= 1
[openMouth, hide, make1, make2] = self.brain.activateNetworks([hear1, hear2, fed, hurt])
# Add randomness to the animat behavior
if(randint(0,99) < 3):
self.openMouth = 1
else:
self.openMouth = openMouth
if(randint(0,99) < 3):
self.hide = 1
else:
self.hide = hide
# Enforce energy penalties
if self.openMouth == 1:
self.energy -= 0.05
if self.hide == 1:
self.energy -= 0.05
if make1 == 1:
self.energy -= 0.05
if make2 == 1:
self.energy -= 0.05
return [make1, make2]
'''
Returns a string that summarizes the animat: its current behavior and its energy. Used for debugging.
'''
def getSummaryString(self):
return 'Behavior string: {0}, Energy: {1}'.format(self.getBehaviorString(),self.energy)
