save project

snake.py

@@ -43,8 +43,10 @@ while True:
                 setheading = 'down'
                 snake_head = down
             if ax==x and ay==y:
-                ax=random.randint(0,660)
-                ay=random.randint(0,480)
+                ax=random.randint(0,21)
+                ay=random.randint(0,15)
+                ax=ax*30
+                ay=ay*30
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30