save project

snake.py

@@ -46,9 +46,9 @@ while True:
     # 设置贪吃蛇的头部坐标
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
     if setheading == "right":
         x += 30
         x += 30
-    elif setheading == "left":
+    if setheading == "left":
         x -= 30
         x -= 30
-    elif setheading == "up":
+    if setheading == "up":
         y -= 30
         y -= 30
     else:
     else:
         y += 30
         y += 30
@@ -61,7 +61,9 @@ while True:
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
     for i in range(len(position)-1):
         screen.blit(body, position[i])
         screen.blit(body, position[i])
-
+    if x==apple_x and y=apple_y:
+        apple_x=r.randint(0,660)
+        apple_y=r.randint(0,480)
     # 将果实画上去
     # 将果实画上去
     screen.blit(food, (apple_x, apple_y))
     screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     # 刷新画面