本程序源码是为日本一家地震监测机构编写的，用来演示地震对不同楼层的作用效果。可以手动调整震动幅度的比例。-the program source code is one of Japan's earthquake monitoring bodies to prepare, used to demonstrate the different floors of the earthquake in effect. Vibration can be manually adjusted rate

有关振动仿真的一些代码。内含有4个文件，各有不同用途,Simulation of the vibration of some code. Contains four files, each for different purposes