纳金网

标题: Unity3D 3.0星球Shader [打印本页]

作者: 会飞的鱼 时间: 2012-6-26 15:02
标题: Unity3D 3.0星球Shader

引用:

Shader "

lanet" {
Properties {

_MainTex ("Diffuse(RGB) Spec(A)", 2D) = "white" {}

_BumpMap ("Bumpmap", 2D) = "bump" {}

_RimColor ("Rim Color", Color) = (0.26,0.19,0.16,0.0)

_RimPower ("Rim Power", Range(0.5,8.0)) = 3.0

_SpecColor ("Specular Color", Color) = (0.5,0.5,0.5,1)

_Shininess ("Shininess", Range (0.01, 1)) = 0.078125

}

SubShader {

Tags { "RenderType" = "Opaque" }

CGPROGRAM
#pragma surface surf SimpleSpecular

float _Shininess;

   half4 LightingSimpleSpecular (SurfaceOutput s, half3 lightDir, half3 viewDir, half atten) {

         half3 h = normalize (lightDir + viewDir);

         half diff = max (0, dot (s.Normal, lightDir));

         float nh = max (0, dot (s.Normal, h));

         float spec = pow (nh, 48.0);

         half4 c;

         c.rgb = (s.Albedo * _LightColor0.rgb * diff + _LightColor0.rgb * spec * s.Alpha * _Shininess * _SpecColor) * (atten * 2);

         c.a = s.Alpha;

         return c;

   }



   s***ct Input {

         float2 uv_MainTex;

         float2 uv_BumpMap;

         float3 viewDir;

   };

   sampler2D _MainTex;

   sampler2D _BumpMap;

   float4 _RimColor;

   float _RimPower;



   void surf (Input IN, inout SurfaceOutput o) {

         o.Albedo = tex2D (_MainTex, IN.uv_MainTex).rgb;

         o.Normal = UnpackNormal (tex2D (_BumpMap, IN.uv_BumpMap));

         half rim = 1.0 - saturate(dot (normalize(IN.viewDir), o.Normal));

         o.Emission = _RimColor.rgb * pow (rim, _RimPower);

         o.Alpha = tex2D (_MainTex, IN.uv_MainTex).a;

   }

   ENDCG

   }

   Fallback "Diffuse"

}

欢迎光临纳金网 (http://go.narkii.com/club/)