对于动画/冷却时间等：如果要“等待”，但仍在运行代码，请使用：pygame.time.get_ticks
class Unit(): def __init__(self): self.last = pygame.time.get_ticks() self.cooldown = 300 def fire(self): # fire gun, only if cooldown has been 0.3 seconds since last now = pygame.time.get_ticks() if now - self.last >= self.cooldown: self.last = now spawn_bullet()
