Shader "Unlit/Transparent Vertex Colored Additive" { Properties { _MainTex ("Base (RGB) Trans (A)", 2D) = "white" {} } Category { Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"} ZWrite Off //Alphatest Greater 0 Blend SrcAlpha One //this is the line that makes it additive Fog { Color(0,0,0,0) } Lighting Off Cull Off //we can turn backface culling off because we know nothing will be facing backwards BindChannels { Bind "Vertex", vertex Bind "texcoord", texcoord Bind "Color", color } SubShader { Pass { SetTexture [_MainTex] { Combine texture * primary } } } } }