https://p5js.org/tutorials/optimizing-webgl-sketches/

Trigornometry

• sin/cos/tan
• simple harmonic motion
• polar coordinates
• wave patterns

傅里叶变换 (Fourier transform)

https://towardsdatascience.com/fourier-transforms-an-intuitive-visualisation-ba186c7380ee/

FFT - fast fourier transform

利萨茹曲线 (Lissajous curve)

https://www.instagram.com/davebeesbombs/