邊緣高光（附上代碼）

昵稱30144293 2016-01-13

展開全文

Shader "Toon/Basic Outline" {
Properties {
      _Color ("Main Color", Color) = (.5,.5,.5,1)
      _OutlineColor ("Outline Color", Color) = (0,1,0,1)
      _Outline ("Outline width", Range (0.005, 0.01)) = .001
      _MainTex ("Texture", 2D) = "white" {}
            _BumpMap ("Bumpmap", 2D) = "bump" {}
      }

CGINCLUDE
#include "UnityCG.cginc"

struct appdata {
      float4 vertex : POSITION;
      float3 normal : NORMAL;
};

struct v2f {
      float4 pos : POSITION;
      float4 color : COLOR;
};

uniform float _Outline;
uniform float4 _OutlineColor;

v2f vert(appdata v) {
      v2f o;
      o.pos = mul(UNITY_MATRIX_MVP, v.vertex);

      float3 norm = mul ((float3x3)UNITY_MATRIX_IT_MV, v.normal);
      float2 offset = TransformViewToProjection(norm.xy);

      o.pos.xy += offset * o.pos.z * _Outline;
      o.color = _OutlineColor;
      return o;
}
ENDCG

SubShader {
      Tags { "RenderType"="Opaque" }
      UsePass "Toon/Basic/BASE"
      Pass {
         Name "OUTLINE"
         Tags { "LightMode" = "Always" }
         Cull Front
         ZWrite On
         ColorMask RGB
         Blend SrcAlpha OneMinusSrcAlpha

         CGPROGRAM
         #pragma vertex vert
         #pragma fragment frag
         half4 frag(v2f i) :COLOR { return i.color; }
         ENDCG
      }
}

SubShader {
      Tags { "RenderType"="Opaque" }
      UsePass "Toon/Basic/BASE"
      Pass {
         Name "OUTLINE"
         Tags { "LightMode" = "Always" }
         Cull Front
         ZWrite On
         ColorMask RGB
         Blend SrcAlpha OneMinusSrcAlpha

         CGPROGRAM
         #pragma vertex vert
         #pragma exclude_renderers shaderonly
         ENDCG
         SetTexture [_MainTex] { combine primary }
                  }
}
SubShader {
   Tags { "RenderType" = "Opaque" }
   CGPROGRAM
   #pragma surface surf Lambert
   struct Input {
      float2 uv_MainTex;
      float2 uv_BumpMap;
   };
   sampler2D _MainTex;
   sampler2D _BumpMap;
   void surf (Input IN, inout SurfaceOutput o) {
      o.Albedo = tex2D (_MainTex, IN.uv_MainTex).rgb;
      o.Normal = UnpackNormal (tex2D (_BumpMap, IN.uv_BumpMap));
   }
   ENDCG
}

   Fallback "Diffuse"
}