Unity3D Surface Shader Example

Shader "AgasperShaders/TestShader" {
Properties {
        _Color ("Main Color", Color) = (1,1,1,1)
        _SpecColor ("Specular Color", Color) = (0.5, 0.5, 0.5, 1)
        _Shininess ("Shininess", Range (0.03, 1)) = 0.078125
        _MainTex ("Base (RGB) Gloss (A)", 2D) = "white" {}
        _BumpMap ("Normalmap", 2D) = "bump" {}
        _Amount ("Extrusion Amount", Range(-1,1)) = 0.5
}

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

CGPROGRAM

#pragma surface surf BlinnPhong vertex:vert

sampler2D _MainTex;
sampler2D _BumpMap;
fixed4 _Color;
half _Shininess;
float _Amount;

void vert (inout appdata_full v) {
  v.vertex.xyz += v.normal * _Amount * v.vertex.xyz;
}


struct Input {
        float2 uv_MainTex;
        float2 uv_BumpMap;
};

void surf (Input IN, inout SurfaceOutput o) {
        fixed4 tex = tex2D(_MainTex, IN.uv_MainTex);
        o.Albedo = tex.rgb * _Color.rgb;
        o.Gloss = tex.rgb;
        o.Specular = _Shininess;
        o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap));
}

ENDCG
}

FallBack "Specular"
}