auto save

snake.py

 import pygame
 
 # 初始化pygame，为使用pygame做准备
-pygame.init()
+from pygame import locals
+
+import random
 
-# 创建一个窗口
-??
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+pygame.init()
+screen = pygame.display.set_mode((600,480))
+FPSCLOCK = pygame.time.Clock()
+background = pygame.image.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")
+my_font = pygame.font.Font("neuropol.ttf",18)
+x,y = 240,120
+position = [(180,90),(180,120),(210,120),(x.y)]
+apple_x = 360
+apple_y = 300
+setheading = "right"
+snake_head = "right"
+screen = 0
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+        if event.key == locals.K_RCTRL 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 = x+30
+        if setheading=="left":
+            x = x-30
+        if setheading=="up":
+            x = y-30
+        else:
+            y = y-30
+        position.append((x.y))
+        if x==apple_x and y==apple_y:
+            num1 = random.randint(1,22)
+            num2 = random.randint(1,16)
+            apple_x = 30*num1-30
+            apple_y = 30*num2-30
+        else:
+             position.pop(0)
+        if x>0 or x>630 or y <0 or y>450:
+            exit()
+        screen.blit(background,(0,0))
+        screen.blit(snake_head,position[-1])
+        for i in range(len(position)[i]):
+            screen.blit(food,(apple_y,apple_y))
+            info = "Score:"+str(score)
+            text = my_font.render(info,True,(0,0,0))
+            screen.blit(text,(540,10))
+            pygame.display.update()
+            FPSCLOCK.tick(3)
+            
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