Shader "Unlit/AlphaSelfIllum" {
    Properties {
         _Color("Color & Transparency", Color) = (0, 0, 0, 0.5)
     }
     SubShader {
        Tags {
             "Queue" = "Transparent"
             "RenderType" = "Transparent"
        }
         Lighting Off
         ZWrite Off
         Cull Back
         Blend SrcAlpha OneMinusSrcAlpha
         Color[_Color]
         Pass {
         }
     }
     FallBack "Unlit/Transparent"
}