Ex-Vercel engineer Shu Ding: linear approximation gives free layout animations
shuding · x · 2026-10-27
Shu Ding 展示两个数学化 UI 技巧：Linearity——断点之间布局随窗口宽度线性变化，因此只需跑一次真实布局并求一次导数，就能用线性插值 f(x) ≈ f(a) + f'(a)(x−a) 预测中间所有帧，省掉逐帧计算。Smoothness——直接修改编译出的布局数学函数，把每个 step() 软化为 sigmoid()，布局动画就
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