save project

snake.py

@@ -25,32 +25,33 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-if event.type==locals.KEYDOWN:
-    if event.key == locals.K_RIGHT and setheading !="left":
-        setheading = 'right'
-    if event.key == locals.K_LEFT and setheading !="right":
-        setheading = 'left'
-    if event.key == locals.K_UP and setheading !="down":
-       setheading = 'up'
-    if event.key == locals.K_DOWN and setheading !="up":
-        setheading = 'down'
-if setheading == "right":
-    x=x+30
-elif setheading == "left":
-    x-=30
-elif setheading =="up":
-    y -=30
-else:
-    y += 30
-position.append((x,y))
+    if event.type==locals.KEYDOWN:
+        if event.key == locals.K_RIGHT and setheading !="left":
+            setheading = 'right'
+        if event.key == locals.K_LEFT and setheading !="right":
+            setheading = 'left'
+        if event.key == locals.K_UP and setheading !="down":
+            setheading = 'up'
+        if event.key == locals.K_DOWN and setheading !="up":
+            setheading = 'down'
+    if setheading == "right":
+        x=x+30
+    elif setheading == "left":
+        x-=30
+    elif setheading =="up":
+        y -=30
+    else:
+        y += 30
+    position.append((x,y))
+    position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
+    screen.blit(snake_head,position[-1])
+    for i in range(len(position-1))
+        screen.blit(body,position[i])
     # 将贪吃蛇画上去
     screen.blit(right, (x, y))
-    # 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))
+
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面