waters 是人脸动画领域最早进行肌肉模型设计的人。这是他当年最经典的肌肉模型对应的源代码。对于学习人脸建模和动画有很好的参考作用。-waters is the earliest research who developed facial muscle model, and this is the original corresponding code programmed by him. It s very useful for relevant researchers or lovers。