llamacademy / vertex-color-blended-shader

Learn how blend between 2 (or more) textures using Vertex Colors in a Shader

Waves in ShaderGraph (URP)

In this tutorial repository and accompanying video you will learn how blend between 2 (or more) textures using Vertex Colors. This gives you a similar experience to using the Terrain Tools to paint on a Terrain, but on a mesh!

To achieve the painting, we're using PolyBrush, a free Unity Package. To subdivide objects to ensure high enough polygon count for the Vertex Colors, we're using ProBuilder, another free Unity Package.

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Requirements

• This was implemented with Universal Render Pipeline, but it works on Built-in and HDRP as well.
• I'm using Unity 2022.3 LTS, but this functionality should be working on pretty much any modern version of Unity that support:
  • PolyBrush (included in Unity Package Manager dependencies)
  • ProBuilder (included in Unity Package Manager dependencies)
  • ShaderGraph (included in Unity Package Manager dependencies)