save project

snake.py

@@ -5,17 +5,49 @@ pygame.init()
 b=pygame.image.load('bg.png')
 c=pygame.image.load('body.png')
 d=pygame.image.load('apple.png')
-e=pygame.image.load('right.png')
-# 创建一个窗口
+right=pygame.image.load('right.png')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
 a=pygame.display.set_mode((660,480))
+x,y=240,120
+e='right'
+g=right
+f=[(180,90),(180,120),(210,120),(x,y)]
+fps=pygame.time.Clock()
 while True:
     for event in pygame.event.get():
         if event.type==locals.QUIT:
             exit()
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_DOWN and e!='up':
+                e='down'
+                g=down
+            if event.key==locals.K_UP and e!='down':
+                e='up'
+                g=up
+            if event.key==locals.K_LEFT and e!='right':
+                e='left'
+                g=left
+            if event.key==locals.K_RIGHT and e!='left':
+                e='right'
+                g=right
+    if e == 'right':
+        x+=30
+    if e == 'left':
+        x-=30
+    if e == 'up':
+        y-=30
+    if e == 'down':
+        y+=30
+    f.append((x,y))
+    f.pop(0)
     a.blit(b,(0,0))
-    a.blit(e,(240,120))
     a.blit(d,(360,300))
-    a.blit(c,(210,120))
-    a.blit(c,(180,120))
-    a.blit(c,(180,90))
+    a.blit(g,(f[-1]))
+    for i in range(len(f)-1):
+        a.blit(c,f[i])
+    fps.tick(7)
     pygame.display.update()
+    
+    
\ No newline at end of file