save project

snake.py

 import pygame
-
+from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
-screen=pygame.display.set_mode((660,480))
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+screen=pygame.display.set_mode((660,480))
+backgroud=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')
+apple=pygame.image.load('apple.png')
+body=pygame.image.load('body.png')
+x,y=240,120
+FPS=pygame.time.Clock()
+pos=[(180,90),(180,120),(210,120),(x,y)]
+setheading='right' 
+head=right
+
+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'
+                head=right    
+            if event.key==locals.K_LEFT and setheading!='right':
+                setheading='left'
+                head=left
+            if event.key==locals.K_UP and setheading!='down':
+                setheading='up'  
+                head=up
+            if event.key==locals.K_DOWN and setheading!='up':
+                setheading='down'
+                head=down 
+    if setheading=='right':
+        x+=30
+    elif setheading=='left':
+        x-=30
+    elif setheading=='up':
+        y-=30
+    else: 
+        y+=30 
+    pos.append((x,y))
+    pos.pop(0)
+    screen.blit(backgroud,(0,0))
+    screen.blit(head,pos[-1])
+    for i in range(len(pos)-1):
+        screen.blit(body,pos[i])
+    # screen.blit(body,(180,120))
+    # screen.blit(body,(180,90))
+
+    screen.blit(apple,(360,300))
+     
+    pygame.display.update()
+    FPS.tick(3)
+    
+            
+
+        
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