我正在编写一个Pygame程序,它接受用户输入来编写音乐。它等待特定事件(即键盘或鼠标输入)并立即分析输入,而无需用户在每个条目中按Enter键。
while (running == 1):
for event in pygame.event.get():
# If event is a keypress
if(event.type == pygame.KEYDOWN):
key = pygame.key.get_pressed() # get_pressed returns an boolean array
# of every key showing pressed or not
# Find which key is pressed
for x in range(len(key)):
if(key[x] == 1):
break
# If a number key is pressed (0-9)
if(x >= 48 and x <=57):
# Set the octave to keypress
gui.setOctave(x-48) # gui is an instance of a class
# that controlls pygame display
我知道这样做的唯一方法是使用无限循环。但是,这几乎占用了所有CPU功率。如果不使用循环,还有另一种有效的方法吗?
答案 0 :(得分:3)
您可以使用event = pygame.event.wait()
等待活动。