WPF Animation 动画

参考：https://blog.csdn.net/summer_top/article/details/107074661

参考：https://www.cnblogs.com/kanoakliu/p/17653218.html#%E7%BA%BF%E6%80%A7%E5%85%B3%E9%94%AE%E5%B8%A7linear-keyframe

https://www.cnblogs.com/lovezhangyu/p/10342874.html