SunFounder PiCrawler Kit - Page 73

SunFounder PiCrawler Kit
(continued from previous page)
lock = threading.Lock()
def key_scan_thread():
global key
while True:
key_temp = readchar.readkey()
print('\r',end='')
with lock:
key = key_temp.lower()
if key == readchar.key.SPACE:
key = 'space'
elif key == readchar.key.CTRL_C or key in readchar.key.ESCAPE_
˓→SEQUENCES:
key = 'quit'
break
sleep(0.01)
def main():
global key
action = None
Vilib.camera_start(vflip=False,hflip=False)
Vilib.display(local=False,web=True)
sleep(0.8)
speed = 100
print(manual)
sleep(1)
_key_t = threading.Thread(target=key_scan_thread)
_key_t.setDaemon(True)
_key_t.start()
tts.say("game start")
sleep(0.05)
renew_color_detect()
while True:
if Vilib.detect_obj_parameter['color_n']!=0 and Vilib.detect_obj_
˓→parameter['color_w']>100:
tts.say("will done")
sleep(0.05)
renew_color_detect()
with lock:
if key != None and key in ('wsad'):
action = key_dict[str(key)]
key = None
elif key == 'space':
tts.say("Look for " + color)
key = None
elif key == 'quit':
_key_t.join()
Vilib.camera_close()
print("\n\rQuit")
break
if action != None:
crawler.do_action(action,1,speed)
action = None
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3.10. Treasure Hunt 69