- https://www.youtube.com/watch?v=eaXk97ujbPQ
- https://www.youtube.com/watch?v=PH9q0HNBjT4
- https://www.shadertoy.com/view/MdXyzX
- https://developer.nvidia.com/gpugems/gpugems/part-i-natural-effects/chapter-1-effective-water-simulation-physical-models
- https://iquilezles.org/articles/fbm/
- https://roystan.net/articles/toon-water/
- https://roystan.net/articles/grass-shader/
- https://danielilett.com/2021-08-24-tut5-17-stylised-grass/
- https://catlikecoding.com/unity/tutorials/advanced-rendering/tessellation/