In between, the move method receives the coordinates of every mouse movement.
在这两个方法调用之间，move方法接收每次鼠标移动的坐标。
The method to record the obstacle line coordinates is also simple and accurate.
同时，其障碍线坐标的录入方法具有简单、准确的特点。
The method to record the obstacle line coordinates is also simple and accurate.
同时，其障碍线坐标的录入方法具有简单、准确的特点。
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