snake.py
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import pygame
from pygame import locals
# 初始化pygame，为使用硬件做准备
pygame.init()
# 创建一个窗口
screen = pygame.display.set_mode((660,480))
FPSCLOCK = pygame.time.Clock()#pygame,时钟，控制游戏速度
# 背景
background = pygame.image.load('bg.png')
right = pygame.image.load('right.png')
left = pygame.image.load('left.png')
up = pygame.image.load('up.png')
down = pygame.image.load('down.png')
food = pygame.image.load('apple.png')
body = pygame.image.load('body.png')
snake_head = right
setheading = "right"
x,y=240,120
position = [(180,90),(180,120),(210,120),(x,y)]
while True:
for event in pygame.event.get():
if event.type == locals.QUIT:
# 接收到退出事件后退出
exit()
if event.type == locals.KEYDOWN:
if event.key== locals.K_RIGHT and setheading !="left":
snake_head = right
setheading = "right"
if event.key == locals.K_LEFT and setheading !="right":
snake_head = left
setheading = "left"
snake_head = left
if event.key == locals.K_UP and setheading !="down":
snake_head = up
setheading = "up"
if event.key == locals.K_DOWN and setheading !="up":
snake_head = down
setheading = "down"
if setheading == "right":
x+=30
elif setheading == "left":
x-=30
elif setheading == "up":
y-=30
elif setheading == "down":
y+=30
position.append((x,y))
position.pop(0)
# 将背景图画上去
screen.blit(background,(0,0))
# 将贪吃蛇画上去
screen.blit(snake_head,position[-1])
# 将贪吃蛇的身体画上去
for i in range(len(position)-1):
screen.blit(body,position[i])
# 将果实画上去
screen.blit(food,(360,300))
# 刷新画面
pygame.display.update()
FPSCLOCK.tick(3)