据作者介绍，这些人脸涂鸦是用 Canvas 2D 绘制的，每个五官都对应一个函数，关键技巧是把这些特征放在一个粗糙的 3D 头部模型上，这样当脸部倾斜或旋转时，五官能正确跟随定位。
Jessica Gibson is a content update editor and writer for Investopedia. She has over 10 years of experience in digital publishing and three years of experience covering financial topics like insurance, ...
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