save project

snake.py

@@ -21,15 +21,16 @@ while True:
             exit()
     # 将背景图画上去
     x+=30
-    a.append((x,y))
-    a.pop(0)
+    c.append((x,y))
+    c.pop(0)
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(right, c[-1])
     # 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))
+    for i in range(len(c)-1):
+        screen.blit(body,c[i])
+    #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