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Question by stulleman · Jan 16, 2015 at 02:53 PM · shadercolorvertexvoxellightning

Shader to change Vertex Colors

Hello Forum!

I really don't know much about shaders, so I wanted to ask you guys what's possible and what not.
Right now I have a vertex shader (from somewhere on the internet) that I modified a bit to fit my needs.
I want to use vertex colors to light my levels. That's working pretty good.
I'm now coming to the day/night cycle part and I'm stuck. I've read that people change their vertex colors with shaders? I'm changing my vertex colors in my mesh update, where I pass a Color32[] to my mesh.

I'm hoping that someone can give me some hints on how to approach this!

Thanks!

Here is the shader I'm using right now:

 Shader "Vertex Colored Transparent" {
 
     Properties {
         _Color ("Main Color", Color) = (1,1,1,1)
         _MainTex ("Base (RGB) Trans (A)", 2D) = "white" {}
     }
 
     SubShader {
         ZWrite On
         Alphatest Greater 0
         Blend SrcAlpha OneMinusSrcAlpha 
 
         Pass {
             Material {
             }
 
             ColorMaterial AmbientAndDiffuse
             Tags {Queue=Transparent}
             Lighting On
             SeparateSpecular Off
 
             SetTexture [_MainTex] {
                 Combine texture * primary, texture * primary
             }
             
             SetTexture [_MainTex] {
                 constantColor [_Color]
                 Combine previous * constant DOUBLE, previous * constant
             } 
         }
     }
 
     Fallback "Alpha/VertexLit", 1
 }
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