you are right, I've recently done some Points Billiard in Koch Fractals video which tries to do classical billiard in Koch Fractal which is exactly what you wri

you are right, I've recently done some Points Billiard in Koch Fractals video which tries to do classical billiard in Koch Fractal which is exactly what you write about averaging etc. (I had to average the normals around hitting point as the normal vector was not defined here), see the video here: https://youtu.be/v9KS03hiSU8 https://youtu.be/v9KS03hiSU8