An Attempt at an Open World Grass Rendering

Inspiration

• This project was inspired by Ghost of Tsushima. The focus is the replicate its amazing grass rendering system which includes
  • The curvature of the grass blades following a quadratic bezier curve
  • The light reflection
  • Apply a scrolling global wind texture
  • Add player interaction to the grass
  • Use Chunking/Tiling to separate the world and run a compute shader per tile
  • Use Voronoi noise to create variations in grass groups, similar to areas of high nutrition and areas of low nutrition
  • Smoothly transition between a 15-vert grass blade to 7 vert grass blade to simulate different LOD