save project

snake.py

@@ -15,6 +15,8 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+body = pygame.image.load('body.png')
+body = pygame.image.load('body.png')
 
 while True:
     for event in pygame.event.get():
@@ -25,6 +27,19 @@ while True:
     a.append((x,y))
     a.pop(0)
     print(a)
+    if setheading=="r":
+        x+=30
+    elif setheading=="l":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else :
+        y+=30
+    position.append((x,y))
+    position.pop(0)
+    if x==apple_x and y==apple_y:
+        apple_x=r
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -41,3 +56,4 @@ while True:
     pygame.display.update()
     FPSCLOOK=pygame.time.Clock()
     FPSCLOOK.tick(FPS)
+    
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