pythonpygameeventget_Pygame需要pygame.event.get（）“为了不撞车

程序像这样工作得很好&＃xff0c;但是&＃xff0c;我不明白为什么它需要在gameOverwhile语句中使用无用的for event in pygame.event.get(): None在{}内。如果你能找到一种方法来删除它&＃xff0c;或者解释为什么它没有它运行&＃xff0c;那太好了&＃xff01;在import pygame, time, random

pygame.init()

# SOUND/TEXTURES

icon &＃61; pygame.image.load("textures\snakeicon.png")

pygame.display.set_icon(icon)

# VARIABLES

white &＃61; (255, 255, 255)

black &＃61; (0, 0, 0)

red &＃61; (200, 0, 0)

green &＃61; (0, 155, 0)

bright_green &＃61; (0, 250, 0)

bright_red &＃61; (255, 0, 0)

font_size &＃61; 50

font &＃61; pygame.font.SysFont(None, font_size)

# FUNCTIONS

def text_objects(text, font):

textSurface &＃61; font.render(text, True, black)

return textSurface, textSurface.get_rect()

def button(msg, x, y, w, h, ic, ac, action&＃61;None):

mouse &＃61; pygame.mouse.get_pos()

click &＃61; pygame.mouse.get_pressed()

if x &＃43; w > mouse[0] > x and y &＃43; h > mouse[1] > y:

pygame.draw.rect(gameWindow, ac, (x, y, w, h))

if click[0] &＃61;&＃61; 1 and action !&＃61; None:

if action &＃61;&＃61; "play":

game_loop()

elif action &＃61;&＃61; "quit":

gameRun &＃61; False

gameWindow.fill(white)

message_to_screen("Closing Game...", black, 280, 280)

pygame.display.update()

time.sleep(1)

pygame.quit()

quit()

else:

pygame.draw.rect(gameWindow, ic, (x, y, w, h))

smallText &＃61; pygame.font.Font("freesansbold.ttf", 20)

textSurf, textRect &＃61; text_objects(msg, smallText)

textRect.center &＃61; ((x &＃43; (w / 2)), (y &＃43; (h / 2)))

gameWindow.blit(textSurf, textRect)

def snake(rect_x, rect_y, block_size):

pygame.draw.rect(gameWindow, green, [rect_x, rect_y, block_size, block_size])

def message_to_screen(msg, color, x, y):

screen_text &＃61; font.render(msg, True, color)

gameWindow.blit(screen_text, [x, y])

# WINDOW/SURFACE

display_w &＃61; 800

display_h &＃61; 600

window_title &＃61; "Window"

gameWindow &＃61; pygame.display.set_mode((display_w, display_h))

pygame.display.set_caption(window_title)

# FPS/Clock

clock &＃61; pygame.time.Clock()

# Game Loop

def game_loop():

# RECT OPTIONS

moveSpeed &＃61; 10

block_size &＃61; 10

rect_x &＃61; display_w / 2

rect_y &＃61; display_h / 2

change_x &＃61; 0

change_y &＃61; 0

randApplex &＃61; round(random.randrange(0, display_w - block_size) / 10.0) * 10.0

randAppley &＃61; round(random.randrange(0, display_h - block_size) / 10.0) * 10.0

global gameRun, gameOver

gameRun &＃61; True

gameOver &＃61; False

while gameRun:

while gameOver:

gameRun &＃61; False

gameWindow.fill(white)

# button(msg, x, y, w, h, ic, ac, action&＃61;None)

message_to_screen("Game Over!", red, 300, 300)

button("Restart", 150, 450, 100, 50, green, bright_green, "play")

button("Quit", 550, 450, 100, 50, red, bright_red, "quit")

pygame.display.update()

# RIGHT HERE!

for event in pygame.event.get():

None

# RIGHT THERE!

for event in pygame.event.get():

if event.type &＃61;&＃61; pygame.QUIT:

gameRun &＃61; False

gameOver &＃61; False

gameWindow.fill(white)

message_to_screen("Closing Game...", black, 280, 280)

pygame.display.update()

time.sleep(1)

pygame.quit()

quit()

if event.type &＃61;&＃61; pygame.KEYDOWN:

if event.key &＃61;&＃61; pygame.K_w:

change_y &＃61; -moveSpeed

change_x &＃61; 0

elif event.key &＃61;&＃61; pygame.K_s:

change_y &＃61; moveSpeed

change_x &＃61; 0

elif event.key &＃61;&＃61; pygame.K_a:

change_x &＃61; -moveSpeed

change_y &＃61; 0

elif event.key &＃61;&＃61; pygame.K_d:

change_x &＃61; moveSpeed

change_y &＃61; 0

# BOARDER CRASH

if rect_x >&＃61; display_w or rect_x <0 or rect_y >&＃61; display_h or rect_y <0:

gameOver &＃61; True

# LOGIC

rect_x &＃43;&＃61; change_x

rect_y &＃43;&＃61; change_y

if rect_x &＃61;&＃61; randApplex and rect_y &＃61;&＃61; randAppley:

randApplex &＃61; round(random.randrange(0, display_w - block_size) / 10.0) * 10.0

randAppley &＃61; round(random.randrange(0, display_h - block_size) / 10.0) * 10.0

# RENDER

gameWindow.fill(white)

pygame.draw.rect(gameWindow, red, [randApplex, randAppley, block_size, block_size])

snake(rect_x, rect_y, block_size)

pygame.display.update()

clock.tick(15)

message_to_screen("You Lose!", red, 325, 300)

pygame.display.update()

time.sleep(1)

message_to_screen("Closing Game!", black, 280, 350)

pygame.display.update()

time.sleep(1)

# QUIT

pygame.quit()

quit()

game_loop()