Just a simple fog to my simple vertex colour shader?

Graphics Shaders & Materials
1

Here’s a simple shader I got from the Unity Wiki. It’s great because it applies the vertex colour in a way that lets me create my own lighting (which is necessary in a Minecraft game - normal lighting looks dark and ugly because of the angle of the block faces).

All I want to do is add a fog colour based on distance. What’s the simplest way to do it for this shader?

Shader "Custom/Vertex color unlit" {
Properties {
    _MainTex ("Texture", 2D) = "white" {}
}

Category {
    Tags { "Queue"="Geometry" }
    Lighting Off
    BindChannels {
        Bind "Color", color
        Bind "Vertex", vertex
        Bind "TexCoord", texcoord
    }
  
    SubShader {
        Pass {
            SetTexture [_MainTex] {
                Combine texture * primary DOUBLE
            }
        }
    }
}
}
2

Fog On

3

Ah thanks - I tried that, it gave a code error, but it turns out the answer is really that I’m an idiot. The fog settings under lighting for the scene work just fine with this shader…