备份CatanBuilding瘦身独立工程

Assets/Scripts/EventWashing/Shaders/RimLight.shader

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+Shader "Bamboo/RimLight"
+{
+    Properties
+    {
+        _MainTex ("Texture", 2D) = "white" {}
+		_RimColor ("Rim Color", color) = (1.0, 0, 0, 1.0)
+		_RimPower ("Rim Power", Range(0.0001, 3.0)) = 1.0
+		_RimIntensity ("Rim Intensity", Range(0, 100.0)) = 1.0
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" }
+        LOD 100
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "UnityCG.cginc"
+			#include "Lighting.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                float2 uv : TEXCOORD0;
+				float3 normal : NORMAL;
+            };
+
+            struct v2f
+            {
+                float2 uv : TEXCOORD0;
+                float4 vertex : SV_POSITION;
+				float3 worldNormal : TEXCOORD1;
+				float3 worldViewDir : TEXCOORD2;
+            };
+
+            sampler2D _MainTex;
+            float4 _MainTex_ST;
+			fixed4 _RimColor;
+			half _RimPower;
+			float _RimIntensity;
+
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
+				o.worldNormal = UnityObjectToWorldNormal(v.normal);
+				o.worldViewDir = WorldSpaceViewDir(v.vertex);
+                return o;
+            }
+
+            fixed4 frag (v2f i) : SV_Target
+            {
+				fixed3 worldNormal = normalize(i.worldNormal);
+				fixed3 worldViewDir = normalize(i.worldViewDir);
+
+                fixed4 diffuse = tex2D(_MainTex, i.uv);
+				// powÆðË¥¼õ×÷ÓÃ
+				fixed4 rimLight = _RimColor * pow(saturate(1.0 - dot(worldNormal, worldViewDir)), 1.0 / _RimPower) * _RimIntensity;
+				//fixed4 rimLight = _RimColor * saturate(1.0 - dot(worldNormal, worldViewDir)) * _RimIntensity;
+
+				fixed3 color = diffuse.rgb + rimLight;
+                return fixed4(color, 1.0);
+            }
+            ENDCG
+        }
+    }
+}