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我是安卓新手。我有一个节拍器应用程序,我想放一个说明滴答循环的图形。(只是一根固定在一端的线,它的角度正在改变)是这样的: http: //dir.coolclips.com/Entertainment/Music/Professional_Audio_Equipment/Metronomes/metronome_CoolClips_vc005895.jpg。有人知道怎么做吗?
您正在寻找的方程是基于节拍器(钟摆)频率。
在哪里,是current angle,是initial angle,是gravitational acceleration ~ 9.81 m/s,是length of pendulum in m,是time of simulation in sec..
current angle
initial angle
gravitational acceleration ~ 9.81 m/s
length of pendulum in m
time of simulation in sec