[Shader] Metallic, Smoothness, UnpackNormal

 

Shader "Custom/RockShader"
{
    Properties
    {
        _MainTex ("Main Texture", 2D) = "white" {}
        _MainTex2 ("Main Texture", 2D) = "white" {}
        _Metallic ("Metallic", Range(0,1)) = 1
        _Smoothness ("Smoothness", Range(0,1)) = 1
        _BumpMap ("NBumpMap", 2D) = "white" {}
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        
        CGPROGRAM
        #pragma surface surf Standard

        //#pragma target 3.0

        sampler2D _MainTex;
        sampler2D _MainTex2;
        sampler2D _BumpMap;
        float _Metallic;
        float _Smoothness;

        struct Input
        {
            float4 color:COLOR;
            float2 uv_MainTex;
            float2 uv_MainTex2;
            float2 uv_BumpMap;
        };

        void surf (Input IN, inout SurfaceOutputStandard o)
        {
            float4 bump = tex2D(_BumpMap, IN.uv_BumpMap);
            float4 c = tex2D(_MainTex, IN.uv_MainTex);
            float4 d = tex2D(_MainTex2, IN.uv_MainTex2);
            float3 e = lerp(c.rgb, d.rgb, IN.color.r);
            o.Normal = UnpackNormal(bump);
            o.Albedo = e.rgb;
            o.Metallic = _Metallic; //0 ~1
            o.Smoothness = _Smoothness;   //0 ~1
        }
        ENDCG
    }
    FallBack "Diffuse"
}

Shader "Custom/Axe"
{
    Properties
    {
        _MainTexture ("Main Texture", 2D) = "white" {}
        _Metallic ("Metallic", Range(0, 1)) = 1
        _Smoothness ("Smoothness", Range(0, 1)) = 1
        _BumpMap ("BumpMap", 2D) = "bump" {}
        _OccTexture ("OccTexture", 2D) = "white" {}
        _Occlusion ("Occlusion", Range(-2, 2)) = 0
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }

        CGPROGRAM
        #pragma surface surf Standard
        #pragma target 3.0

        sampler2D _MainTexture;
        sampler2D _BumpMap;
        sampler2D _OccTexture;
        float _Metallic;
        float _Smoothness;
        float _Occlusion;

        struct Input
        {
            float2 uv_MainTexture;
            float4 color:COLOR;
            float2 uv_BumpMap;
        };

        void surf (Input IN, inout SurfaceOutputStandard o)
        {
            float3 occ = tex2D(_OccTexture, IN.uv_MainTexture);
            o.Albedo = tex2D(_MainTexture, IN.uv_MainTexture).rgb;
            o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap));
            //o.Emission = IN.color.rgb;
            o.Metallic = IN.color.r * _Metallic;
            o.Smoothness = IN.color.r * _Smoothness;
            o.Occlusion = occ.r + _Occlusion;
        }
        ENDCG
    }
    FallBack "Diffuse"
}

 

 

Shader "Custom/Acc"
{
    Properties
    {
        _MainTex ("MainTex", 2D) = "white" {}
        _Smoothness ("Smoothness", Range(0,1)) = 1
        _Metallic ("Metallic", Range(0,1)) = 1
        _BumpMap ("BumpMap", 2D) = "bump" {}
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }

        CGPROGRAM
        #pragma surface surf Standard
        #pragma target 3.0

        sampler2D _MainTex;
        sampler2D _Bumpmap;
        float _Smoothness;
        float _Metallic;

        struct Input
        {
            float2 uv_MainTex;
            float2 uv_BumpMap;
            float4 color:COLOR;
        };

        void surf (Input IN, inout SurfaceOutputStandard o)
        {
            float3 c = tex2D(_MainTex, IN.uv_MainTex);
            o.Normal = UnpackNormal(tex2D(_Bumpmap, IN.uv_BumpMap));
            //o.Emission = IN.color.rgb;
            
            //o.Albedo = lerp(c.rgb, 0, IN.color.r);
            o.Albedo = c.rgb;
            o.Metallic = IN.color.r * _Metallic;
            o.Smoothness = IN.color.r * _Smoothness;
        }
        ENDCG
    }
    FallBack "Diffuse"
}