问题描述：在一个迷宫内，猫正在追老鼠，猫总是选择在迷宫中到老鼠最近的路线走，而老鼠也选择远离猫的路线逃离。模拟猫抓老鼠的动态过程。

-Problem Descr iption: In a maze, the cat is chasing a mouse, a cat always choose to mice in the maze of lines recently, and the mice chose to flee away from the cat' s line. Simulation of the dynamic process of cat抓老鼠.