motor.run_for_degrees(-90)
def pen_down():
motor.run_for_degrees(90)
motor_pair = MotorPair('B', 'A')
motor_pair.set_default_speed(50)
motor_pair.set_motor_rotation(wheel_radius * 2 * math.pi, 'cm')
for i in range(30):
pen_down()
motor_pair.move(-random.randrange(1,3), 'cm', speed = 20)
pen_up()
r = random.randrange(2)
if r==0:
motor_pair.move(pen_radius, 'cm')
motor_pair.move_tank(axis_radius*math.pi/2, 'cm',
left_speed=-50, right_speed=50)
motor_pair.move(-pen_radius, 'cm')
if r==1:
motor_pair.move(pen_radius, 'cm')
motor_pair.move_tank(-axis_radius*math.pi/2, 'cm',
left_speed=-50, right_speed=50)
motor_pair.move(-pen_radius, 'cm')
if r==2:
pass
hub.light_matrix.write('done')
def pen_up():
motor.run_for_degrees(-90)
def pen_down():
motor.run_for_degrees(90)
motor_pair = MotorPair('B', 'A')
motor_pair.set_default_speed(20)
motor_pair.set_motor_rotation(wheel_radius * 2 * math.pi, 'cm')
pen_down()
motor_pair.move_tank(axis_radius * math.pi * 2.05,
'cm',
left_speed=-25,
right_speed=25)
#pen_up()
#pen_down()
motor_pair.move(-pen_radius * 2, 'cm')
pen_up()
motor_pair.move(pen_radius * 2, 'cm')
motor_pair.move_tank(axis_radius * math.pi * -0.5,
'cm',
left_speed=-25,
right_speed=25)
def pen_down():
motor.run_for_degrees(90)
motor_pair = MotorPair('B', 'A')
motor_pair.set_default_speed(20)
motor_pair.set_motor_rotation(wheel_radius * 2 * math.pi, 'cm')
for i in range(4):
if i > 0:
motor_pair.move(pen_radius, 'cm')
motor_pair.move_tank(axis_radius * math.pi / 2,
'cm',
left_speed=-20,
right_speed=20)
motor_pair.move(-pen_radius, 'cm')
pen_down()
motor_pair.move(-line_length, 'cm')
pen_up()
motor_pair.move(pen_radius, 'cm')
motor_pair.move_tank(axis_radius * math.pi * 0.2,
'cm',
left_speed=-20,
right_speed=20)
motor_pair.move(-pen_radius + line_length / 2, 'cm')