save project

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
-# 初始化pygame，为使用硬件做准备
+# 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
-
 # 创建一个窗口
 # 创建一个窗口
-screen = pygame.display.set_mode((660, 480))
-
-# 背景
-background = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')
-food = pygame.image.load('apple.png')
-body = pygame.image.load('body.png')
-
+screen=pygame.display.set_mode((660,480))
+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')
+right=pygame.image.load('right.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+x,y=240,120
+FPSCLOCK=pygame.time.Clock()
+position=[(180,90),(180,120),(210,120),(x,y)]
+setheading='right'
+snake_head=right
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
-        if event.type == locals.QUIT:
-            # 接收到退出事件后退出程序
+        if event.type==locals.QUIT:
             exit()
             exit()
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
-    # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
-    # 将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
-    pygame.display.update()
+        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_DOWN and setheading != 'up':
+                setheading='down'
+                snake_head=down
+            if event.key==locals.K_UP and setheading != 'down':
+                setheading='up'
\ No newline at end of file
+                snake_head=up
+    if setheading=='right':
+        x+=30
+    if setheading=='left':
+        x-=30
+    if setheading=='down':
+        y+=30
+    if setheading=='up':
+        y-=30
+    position.append((x,y))
+    position.pop(0)
+    screen.blit(background,(0,0))
+    screen.blit(snake_head,(x,y))
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    screen.blit(food,(360,300))
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file