格子划分正常

2025-06-15 20:14:45 +08:00
parent c7700419cb
commit bc58a9d0d5
29 changed files with 1546 additions and 107 deletions
--- a/Assets/Resources/MapGrid.meta
+++ b/Assets/Resources/MapGrid.meta
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--- a/Assets/Resources/MapGrid/GridMat.mat
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--- a/Assets/Resources/MapGrid/GridMat.mat.meta
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--- a/Assets/Resources/MapGrid/GridShader.shader
+++ b/Assets/Resources/MapGrid/GridShader.shader
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+Shader "URP/GridShader"
+{
+	Properties
+	{
+		_Size("Size",vector) = (1,1,0,0)
+		_Alpha("Alpha",Range(0, 1)) = 1
+		_UserInput("UserInput",Range(0, 1)) = 0
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Transparent" "Queue" = "Transparent"}
+
+		blend srcalpha oneminussrcalpha
+		zwrite off
+		ztest 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;
+				float3 worldPos : TEXCOORD1;
+            };
+
+			struct RenderData {
+				int barrier;
+				float isSelected;
+				float r;
+				float g;
+				float b;
+			};
+
+			StructuredBuffer<RenderData> _InputData;
+			uniform float4 _Size;
+			uniform float _Alpha;
+			uniform float _UserInput;
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+				o.worldPos = mul(unity_ObjectToWorld, v.vertex);
+				o.uv = v.uv;
+                return o;
+            }
+
+#define width _Size.x
+#define height _Size.y
+            fixed4 frag (v2f i) : SV_Target
+            {
+				//细的分割线
+				float x0 = i.uv.x * width;
+				float y0 = i.uv.y * height;
+
+				fixed xLine0 = abs((x0 - floor(x0)) - 0.5) * 2.0;
+				fixed yLine0 = abs((y0 - floor(y0)) - 0.5) * 2.0;
+				fixed edgeLine0 = max(xLine0, yLine0);
+
+				float w0 = fwidth(edgeLine0 * 0.5) * 2.0;
+				edgeLine0 = smoothstep(-w0, w0, edgeLine0 - 0.925);
+				//细的分割线结束
+
+				//粗的分割线
+				float x1 = i.uv.x * width * 0.05;
+				float y1 = i.uv.y * height * 0.05;
+
+				fixed xLine1 = abs((x1 - floor(x1)) - 0.5) * 2.0;
+				fixed yLine1 = abs((y1 - floor(y1)) - 0.5) * 2.0;
+				fixed edgeLine1 = max(xLine1, yLine1);
+
+				float w1 = fwidth(edgeLine1 * 0.5) * 2.0;
+				edgeLine1 = smoothstep(-w1, w1, edgeLine1 - 0.925);
+				//粗的分割线结束
+
+				float cameraDis = distance(_WorldSpaceCameraPos.xyz, i.worldPos);
+				float cameraFade = smoothstep(70, 100, cameraDis);
+				fixed3 col = fixed3(0, 0, 0);
+				
+				if(_UserInput < 0.5)
+				{
+					col = fixed3(1,1,1);			
+					cameraFade = 1; //只显示粗线
+            		float lineAlpha = max(edgeLine0 * (1 - cameraFade), edgeLine1 * cameraFade);
+					return fixed4(col, _Alpha * lineAlpha * 0.5);
+				}
+				
+				int index = floor(x0) + floor(y0) * width;	
+				col = fixed3(_InputData[index].r, _InputData[index].g, _InputData[index].b);
+				col = lerp(col, fixed3(1, 1, 1), edgeLine0 * (1 - cameraFade));
+				col = lerp(col, fixed3(0, 0, 0), edgeLine1 * cameraFade);
+				col = lerp(col, fixed3(1, 1, 0), _InputData[index].isSelected);
+				return fixed4(col, _Alpha);
+				
+            }
+            ENDCG
+        }
+    }
+}
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