贪吃蛇程序
import pygame,sys,time,randomfrom pygame.locals import *
redColour = pygame.Color(255,0,0)
blackColour = pygame.Color(0,0,0)
whiteColour = pygame.Color(255,255,255)
greyColour = pygame.Color(150,150,150)
def gameOver(playSurface):
gameOverFont = pygame.font.Font('arial.ttf',72)
gameOverSurf = gameOverFont.render('Game Over', True, greyColour)
gameOverRect = gameOverSurf.get_rect()
gameOverRect.midtop = (320, 10)
playSurface.blit(gameOverSurf, gameOverRect)
pygame.display.flip()
time.sleep(5)
pygame.quit()
sys.exit()
def main():
pygame.init()
fpsClock = pygame.time.Clock()
playSurface = pygame.display.set_mode((640,480))
pygame.display.set_caption('Raspberry Snake')
snakePosition =
snakeSegments = [,,]
raspberryPosition =
raspberrySpawned = 1
direction = 'right'
changeDirection = direction
while True:
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
elif event.type == KEYDOWN:
if event.key == K_RIGHT or event.key == ord('d'):
changeDirection = 'right'
if event.key == K_LEFT or event.key == ord('a'):
changeDirection = 'left'
if event.key == K_UP or event.key == ord('w'):
changeDirection = 'up'
if event.key == K_DOWN or event.key == ord('s'):
changeDirection = 'down'
if event.key == K_ESCAPE:
pygame.event.post(pygame.event.Event(QUIT))
if changeDirection == 'right' and not direction == 'left':
direction = changeDirection
if changeDirection == 'left' and not direction == 'right':
direction = changeDirection
if changeDirection == 'up' and not direction == 'down':
direction = changeDirection
if changeDirection == 'down' and not direction == 'up':
direction = changeDirection
if direction == 'right':
snakePosition += 20
if direction == 'left':
snakePosition -= 20
if direction == 'up':
snakePosition -= 20
if direction == 'down':
snakePosition += 20
snakeSegments.insert(0,list(snakePosition))
if snakePosition == raspberryPosition and snakePosition == raspberryPosition:
raspberrySpawned = 0
else:
snakeSegments.pop()
if raspberrySpawned == 0:
x = random.randrange(1,32)
y = random.randrange(1,24)
raspberryPosition =
raspberrySpawned = 1
playSurface.fill(blackColour)
for position in snakeSegments:
pygame.draw.rect(playSurface,whiteColour,Rect(position,position,20,20))
pygame.draw.rect(playSurface,redColour,Rect(raspberryPosition, raspberryPosition,20,20))
pygame.display.flip()
if snakePosition > 620 or snakePosition < 0:
gameOver(playSurface)
if snakePosition > 460 or snakePosition < 0:
for snakeBody in snakeSegments:
if snakePosition == snakeBody and snakePosition == snakeBody:
gameOver(playSurface)
fpsClock.tick(5)
if __name__ == "__main__":
main() {:5_90:}
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