如何重复延迟随机选择

Question

global bullet
global ball
global ball_x
pred1 = [bullet, ball]
pred2 = random.choice(pred1)
process = image(pred2, ball_x, 10)
time.sleep(0.5)

ball_x=[1000200]

我需要知道如何对"过程"进行编程，使其在"0.5"秒后重复，然后再睡"0.5"秒钟，以此类推，永远重复这个过程。

Answer 1

如果你想把process放在一个0.5秒延迟的无休止循环中，你可以做这样的

while True:
process = image(pred2, ball_x, 10)
time.sleep(0.5)

Answer 2

首先添加import time或from time import sleep。然后在while True:循环中执行time.sleep(0.5)

Answer 3

您可以尝试下面的代码，它将在睡觉和投球之间交替，然后休息。

global bullet
global ball
global ball_x
pred1 = [bullet, ball]
throw = False
while true:
pred2 = random.choice(pred1)
if throw:
time.sleep(0.5)
throw = False
else:
process = image(pred2, ball_x, 10)
time.sleep(0.5)
throw = True