Unity3D脚本：边缘高光脚本

着色器，边缘高光，只需一个shader文件，直接可用。

Shader"Example/Rim" {     Properties {   _MainTex ("Texture", 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   }   SubShader {   Tags { "RenderType" = "Opaque" }   CGPROGRAM   #pragma surface surf Lambert   struct 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);   }   ENDCG   }   Fallback "Diffuse" }