Cubemap Reflection 2

 

Shader "Custom/cube2"
{
    Properties
    {
       
        _MainTex ("Albedo (RGB)", 2D) = "white" {}
        _Cube("CubeMap",Cube)=""{}
       _BumpMap("Normalmap",2D) ="bump"{}
       _MaskMap("MaskMap",2D)="white"{}


    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        

        CGPROGRAM
      
        #pragma surface surf Lambert
      
        #pragma target 3.0

        sampler2D _MainTex;
        samplerCUBE _Cube;
       sampler2D _BumpMap;
       sampler2D _MaskMap;
       


        struct Input
        {
            float2 uv_MainTex;
            float3 worldRefl; INTERNAL_DATA //반사벡터 normalmap사용 
           

        };

       

        void surf (Input IN, inout SurfaceOutput o)
        {
           
            fixed4 c = tex2D (_MainTex, IN.uv_MainTex);
            fixed4 m = tex2D (_MaskMap, IN.uv_MainTex); //마스크맵


             //노멀을 먼저 적용하고  
            fixed4 n =tex2D (_BumpMap,IN.uv_MainTex); 
            o.Normal =UnpackNormal(n);


            //내장함수를 사용해서 적용된 노멀의 리플렉션을 사용함
            float3 worldRefl = WorldReflectionVector(IN,o.Normal);
            float4 refl =texCUBE(_Cube,worldRefl);

           

            o.Albedo =c.rgb*(1-m.r); //마스크맵 red 반전 
            o.Emission =refl.rgb*m.r; //마스크맵 red 부분에 적용
           
            o.Alpha = c.a;
        }
        ENDCG
    }
    FallBack "Diffuse"
}

 

 

Shader "Custom/cube3"
{
    Properties
    {
       _MainTex("Main",2D)="white"{}
     //  _BumpMap("Normalmap",2D) ="bump"{}     
       _Cube("Cube",Cube)=""{}
       
        
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
      

        CGPROGRAM
   
        #pragma surface surf Lambert

     
        #pragma target 3.0

        sampler2D _MainTex;
       // sampler2D _BumpMap;

        samplerCUBE _Cube;

        struct Input
        {
            float4 color :COLOR;
            float2 uv_MainTex;
            float3 worldRefl; INTERNAL_DATA


        };

      

        void surf (Input IN, inout SurfaceOutput o)
        {
           
            o.Albedo = IN.color.rgb;
           float4 c =tex2D(_MainTex,IN.uv_MainTex);

            //노멀을 먼저 적용하고  
           // fixed4 n =tex2D (_BumpMap,IN.uv_MainTex); 
          //  o.Normal =UnpackNormal(n);

           //cube refl
           float3 worldRefl =WorldReflectionVector(IN,o.Normal);
           float4 refl =texCUBE(_Cube,worldRefl);



           o.Albedo =c.rgb*(IN.color.g);
           o.Emission = refl.rgb*(1-IN.color.g);
           o.Alpha =c.a;
           
        }
        ENDCG
    }
    FallBack "Diffuse"
}