SunFounder PiCar-X Kit - Page 56

SunFounder PiCar-X Kit
(continued from previous page)
px = Picarx()
show_info()
while True:
key = readchar.readkey()
key = key.lower()
if key in('wsadikjl'):
if 'w' == key:
px.set_dir_servo_angle(0)
px.forward(80)
elif 's' == key:
px.set_dir_servo_angle(0)
px.backward(80)
elif 'a' == key:
px.set_dir_servo_angle(-35)
px.forward(80)
elif 'd' == key:
px.set_dir_servo_angle(35)
px.forward(80)
elif 'i' == key:
tilt_angle+=5
if tilt_angle>35:
tilt_angle=35
elif 'k' == key:
tilt_angle-=5
if tilt_angle<-35:
tilt_angle=-35
elif 'l' == key:
pan_angle+=5
if pan_angle>35:
pan_angle=35
elif 'j' == key:
pan_angle-=5
if pan_angle<-35:
pan_angle=-35
px.set_cam_tilt_angle(tilt_angle)
px.set_cam_pan_angle(pan_angle)
show_info()
sleep(0.5)
px.forward(0)
elif key == readchar.key.CTRL_C:
print("\n Quit")
break
finally:
px.set_cam_tilt_angle(0)
px.set_cam_pan_angle(0)
px.set_dir_servo_angle(0)
px.stop()
sleep(.2)
How it works?
52 Chapter 4. Play with Python