Unity - Surface Shader

Shader "Custom/Unlit/Hologram" {
    Properties {
        _Color ("Main Color", Color) = (1,0,1,1)
        _MainTex ("Texture RGBA", 2D) = "white" {}
        _Alpha("Alpha" ,Range(0,1)) = 0.5
        _SpecColor ("Spec Color", Color) = (1,1,1,0)
        _Emission ("Emissive Color", Color) = (0,0,0,0)
        _Shininess ("Shininess", Range (0.1, 1)) = 0.7
    }

    Category
    {
        ZWrite On
        ColorMask 0

        SubShader
        {
            Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
            LOD 200
            // extra pass that renders to depth buffer only
            Pass
            {
                Blend SrcAlpha OneMinusSrcAlpha
                Material {
                    Diffuse [_Color]
                    Ambient [_Color]
                    Shininess [_Shininess]
                    Specular [_SpecColor]
                    Emission [_Emission]
                }
        
                Lighting Off
                SetTexture [_MainTex]
                {
                    constantColor [_Color]
                    Combine texture * primary DOUBLE, texture * primary
                }

            }

                CGPROGRAM
                #pragma surface surf Lambert alpha
                //#include "UnityCG.cginc"

                sampler2D _MainTex;
                fixed4 _Color;
                float _Alpha;

                struct Input {
                    float2 uv_MainTex;
                };

                void surf (Input IN, inout SurfaceOutput o) {
                    fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;
                    o.Emission = c.rgb;
                    //o.Alpha = c.a * _Alpha;
                    o.Alpha = _Alpha;
                }
                ENDCG
    }
}
Fallback "Unlit/Transparent"
}



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