from ch.aplu.nxtsim import NxtRobot, Motor, MotorPort, Tools, TouchSensor, SensorPort, NxtContext
NxtContext.init()
NxtContext.showNavigationBar();
NxtContext.useObstacle("sprites/bar0.gif", 250, 200);
NxtContext.useObstacle("sprites/bar1.gif", 400, 250);
NxtContext.useObstacle("sprites/bar2.gif", 250, 400);
NxtContext.useObstacle("sprites/bar3.gif", 100, 250);
robot = NxtRobot()
motA = Motor(MotorPort.A)
motB = Motor(MotorPort.B)
sensor = TouchSensor(SensorPort.S3)
robot.addPart(motA)
robot.addPart(motB)
robot.addPart(sensor)
def start_forward():
motA.stop()
motB.stop()
motA.forward()
motB.forward()
def move_backward(delay):
motA.stop()
motB.stop()
motA.backward()
motB.backward()
Tools.delay(delay)
