snake.py
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import pygame
from pygame import locals
from random import *
pygame.init()
screen = pygame.display.set_mode((660, 480))
FPSCLOCK = pygame.time.Clock()
background = pygame.image.load('bg.png')
right = pygame.image.load('right.png')
food = pygame.image.load('apple.png')
body = pygame.image.load('body.png')
left = pygame.image.load('left.png')
up = pygame.image.load('up.png')
down = pygame.image.load('down.png')
x, y = 240, 120
position = [(180,90),(180,120),(210,120),(x, y)]
setheading = "right"
snake_head = right
apple_x = randint(0,630)
apple_y = randint(0,430)
changdu=4
while apple_x%30!=0 or apple_y%30!=0:
apple_x = randint(0,630)
apple_y = randint(0,430)
while True:
for event in pygame.event.get():
if event.type == locals.QUIT:
exit()
if event.type == locals.KEYDOWN:
if event.key == locals.K_RIGHT and setheading != "left":
setheading = 'right'
snake_head = right
if event.key == locals.K_LEFT and setheading != "right":
setheading = 'left'
snake_head = left
if event.key == locals.K_UP and setheading != "down":
setheading = 'up'
snake_head = up
if event.key == locals.K_DOWN and setheading != "up":
setheading = 'down'
snake_head = down
if setheading == "right":
x += 30
elif setheading == "left":
x -= 30
elif setheading == "up":
y -= 30
else:
y += 30
if x==apple_x and y==apple_y:
changdu+=1
apple_x = randint(0,630)
apple_y = randint(0,430)
while apple_x%30!=0 or apple_y%30!=0:
apple_x = randint(0,630)
apple_y = randint(0,430)
position.append((x, y))
if not changdu>=len(position):
position.pop(0)
screen.blit(background, (0, 0))
screen.blit(snake_head, position[-1])
for i in range(len(position)-1):
screen.blit(body, position[i])
screen.blit(food, (apple_x, apple_y))
pygame.display.update()
FPSCLOCK.tick(14)