备份CatanBuilding瘦身独立工程

LocalPackages/PaintIn3D/Runtime/Shared/Common/Required/Shaders/ShapeOutline.shader

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+Shader "Hidden/CW/ShapeOutline"
+{
+	Properties
+	{
+	}
+	SubShader
+	{
+		Cull Off
+
+		Pass
+		{
+			CGPROGRAM
+			#pragma vertex   Vert
+			#pragma fragment Frag
+
+			#include "UnityCG.cginc"
+
+			struct appdata
+			{
+				float4 vertex : POSITION;
+				float2 uv     : TEXCOORD0;
+			};
+
+			struct v2f
+			{
+				float2 uv     : TEXCOORD0;
+				float4 vertex : SV_POSITION;
+			};
+
+			sampler2D _CW_ShapeTex;
+			float4    _CW_ShapeChannel;
+			float4    _CW_ShapeCoords;
+			float4    _CW_ShapeColor;
+
+			void Vert (in appdata i, out v2f o)
+			{
+				o.vertex = UnityObjectToClipPos(i.vertex);
+				o.uv     = i.uv;
+			}
+
+			fixed4 Frag (v2f i) : SV_Target
+			{
+				float u     = lerp(_CW_ShapeCoords.x, _CW_ShapeCoords.z, i.uv.x);
+				float v     = lerp(_CW_ShapeCoords.y, _CW_ShapeCoords.w, i.uv.y);
+				float shape = dot(tex2D(_CW_ShapeTex, float2(u, v)), _CW_ShapeChannel);
+				float side  = shape + abs(ddx(shape)) + abs(ddy(shape));
+
+				if (shape >= 0.5f || side < 0.5f)
+				{
+					discard;
+				}
+
+				return _CW_ShapeColor;
+			}
+			ENDCG
+		}
+	}
+}