72 lines
1.7 KiB
Plaintext
72 lines
1.7 KiB
Plaintext
Shader "Hidden/MicroSplatMeshAutoDampening"
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{
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Properties
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{
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_MainTex ("Texture", 2D) = "white" {}
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}
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SubShader
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{
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Tags { "RenderType"="Opaque" }
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LOD 100
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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struct appdata
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{
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float4 vertex : POSITION;
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float2 uv : TEXCOORD0;
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};
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struct v2f
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{
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float2 uv : TEXCOORD0;
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float4 vertex : SV_POSITION;
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};
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sampler2D _MainTex;
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float4 _MainTex_TexelSize;
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v2f vert (appdata v)
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{
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.uv = v.uv;
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return o;
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}
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fixed4 frag (v2f i) : SV_Target
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{
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// shrink area by one pixel
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float val = 0;
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float2 o = _MainTex_TexelSize.xy;
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val += tex2D(_MainTex, i.uv).g;
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val += tex2D(_MainTex, i.uv + o).g;
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val += tex2D(_MainTex, i.uv - o).g;
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val += tex2D(_MainTex, i.uv + float2(o.x, 0)).g;
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val += tex2D(_MainTex, i.uv + float2(-o.x, 0)).g;
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val += tex2D(_MainTex, i.uv + float2(0, o.y)).g;
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val += tex2D(_MainTex, i.uv + float2(0, -o.y)).g;
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val += tex2D(_MainTex, i.uv + float2(-o.x, o.y)).g;
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val += tex2D(_MainTex, i.uv + float2(o.x, -o.y)).g;
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if (val < 9)
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{
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return fixed4(1,1,1,1);
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}
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return fixed4(0,0,0,1);
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}
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ENDCG
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}
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}
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}
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