save project

snake.py

@@ -15,6 +15,7 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
 x,y=240,120
+position = [(180,90),(180,120),(210,120),(x,y)]
 # 创建一个窗口
 while True:
     for event in pygame.event.get():
@@ -22,10 +23,19 @@ while True:
 
 
             exit()
+    x += 30
+    position.append((x,y))
+    position.pop(0)
+
     
     screen.blit(background,(0,0))
 
-    screen.blit(right,(x,y))
+    screen.blit(right,position[-1])
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+
+
+
     screen.blit(body,(210,120))
     screen.blit(body,(180,120))
     screen.blit(body,(180,90))