바디

 

Shader "Custom/body"
{
    Properties
    {
        _MainTex ("Albedo (RGB)", 2D) = "white" {}
        _BumpTex ("Bump (RGB)", 2D) = "white" {}
        _RampTex ("Ramp (RGB)", 2D) = "white" {}
    }
       SubShader {
       Tags { 
           "RenderType" ="Opaque"
        }
    
        CGPROGRAM
        #pragma surface surf _CustomLight

        sampler2D _MainTex;
        sampler2D _BumpTex;
        sampler2D _RampTex;

        struct Input
        {
            float2 uv_MainTex;
            float2 uv_BumpTex;
        };

        void surf (Input IN, inout SurfaceOutput o)
        {
            fixed4 Main = tex2D (_MainTex, IN.uv_MainTex);
            fixed4 Bump = tex2D (_BumpTex, IN.uv_BumpTex);
            o.Albedo = Main.rgb;
            o.Alpha = Main.a;
        }


        float4 Lighting_CustomLight(SurfaceOutput s, float3 lightDir, float3 viewDir, float atten)
        {
            float3 H = normalize(lightDir+viewDir);
            float spec = saturate(dot(s.Normal, H));
            spec = pow(spec, 100);


            float rim = abs(dot(s.Normal, viewDir));

            float ndotl = dot(s.Normal, lightDir) * 0.5 + 0.5;
            fixed4 Ramp = tex2D (_RampTex, float2(ndotl, rim));

            float4 final;
            final.rgb = Ramp.rgb * s.Albedo.rgb + spec + s.Albedo.rgb *0.01;
            final.a = s.Alpha;
            return final;
        }
        ENDCG
    }
    FallBack "Diffuse"
}