I would rather recommend this video [1] from SimonDev. It is much more enjoyable to watch. But all of these explain the exact same approach of rendering instanced geometry, with wind dynamics made in vertex shader.

I used this as reference to implement an infinite grass world in ~300 LoC of Lua and GLSL.

[1] https://www.youtube.com/watch?v=bp7REZBV4P4 [2] https://github.com/jmiskovic/grassland/blob/main/grass.lua