备份CatanBuilding瘦身独立工程

Assets/Scripts/UI/ScratchTicket/Shaders/ScratchCardBrush.shader

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+Shader "Bamboo/ScratchCard/Brush"
+{
+    Properties
+    {
+        _MainTex ("Sprite Texture", 2D) = "white" {}
+        _Color ("Tint", Color) = (1,1,1,1)
+        [PerRendererData] _OffsetScale ("Offset (xy) and Scale (zw)", Float) = (0, 0, 0, 0)
+    }
+
+    SubShader
+    {
+        Tags
+        {
+            "Queue"="Transparent"
+            "IgnoreProjector"="True"
+            "RenderType"="Transparent"
+            "PreviewType"="Plane"
+            "CanUseSpriteAtlas"="True"
+        }
+
+        Cull Off
+        Lighting Off
+        ZWrite Off
+        BlendOp RevSub
+        Blend Zero One, One One
+
+        Pass
+        {
+            Name "Default"
+        CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #pragma target 2.0
+
+            #include "UnityCG.cginc"
+            #include "UnityUI.cginc"
+        
+            struct appdata_t
+            {
+                float4 vertex   : POSITION;
+                float4 color    : COLOR;
+                float2 texcoord : TEXCOORD0;
+            };
+
+            struct v2f
+            {
+                float4 vertex   : SV_POSITION;
+                fixed4 color    : COLOR;
+                float2 texcoord  : TEXCOORD0;
+                float4 worldPosition : TEXCOORD1;
+            };
+
+            sampler2D _MainTex;
+            fixed4 _Color;
+            float4 _ClipRect;
+            float4 _MainTex_ST;
+            float4 _OffsetScale;
+
+            v2f vert(appdata_t v)
+            {
+                v2f OUT;
+                
+                OUT.worldPosition = (v.vertex + float4(_OffsetScale.xy, 0, 0));
+                OUT.vertex = UnityObjectToClipPos(OUT.worldPosition);
+                OUT.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex) * _OffsetScale.zw;
+                OUT.color = v.color * _Color;
+                
+                return OUT;
+            }
+
+            fixed4 frag(v2f IN) : SV_Target
+            {
+                half4 color = tex2D(_MainTex, IN.texcoord) * IN.color;
+                return color;
+            }
+        ENDCG
+        }
+    }
+}

Assets/Scripts/UI/ScratchTicket/Shaders/ScratchCardBrush.shader.meta

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+fileFormatVersion: 2
+guid: 73cfbd2d24f74f242bbeff8af1301850
+ShaderImporter:
+  externalObjects: {}
+  defaultTextures: []
+  nonModifiableTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: