ColorWithAlphaTwoSided.shader

Shader "Unlit/Color Alpha Two-Sided" {
 
Properties {
    _Color ("Main Color (A=Opacity)", Color) = (1,1,1,1)
    _VTex ("Vertical Texture", 2D) = "white"
    _HTex ("Horizontal Texture", 2D) = "white"
}
 
Category {
    Tags {"Queue"="Transparent" "IgnoreProjector"="True"}
    ZWrite Off
    Blend SrcAlpha OneMinusSrcAlpha
 
    SubShader {
        CGINCLUDE
    
            struct Input {
                float2 uv_VTex;
                float3 worldPos;
                float3 worldNormal;
            };
        
            sampler2D _VTex;
            sampler2D _HTex;
            fixed4 _Color;
            
            #pragma surface surf Lambert alpha noshadow finalcolor:color
            
            void surf (Input IN, inout SurfaceOutput o) {
            }
            
            void color(Input IN, SurfaceOutput o, inout fixed4 color)
            {
                float3 norm = IN.worldNormal;
                if (norm.y > 0 || norm.y < 0) {
                    color = tex2D (_HTex, IN.uv_VTex/*UV's of H and V area the same*/) * _Color;
                } else {
                    color = tex2D (_VTex, IN.uv_VTex) * _Color;
                }
            } 
        ENDCG
        
        Cull Front
        CGPROGRAM
        ENDCG
        
        Cull Back
        CGPROGRAM
        ENDCG
    }
}
 
}