63 lines
1.9 KiB
Plaintext
63 lines
1.9 KiB
Plaintext
Shader "Custom/Slice"
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{
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Properties
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{
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_Color ("Color", Color) = (1,1,1,1)
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_MainTex ("Albedo (RGB)", 2D) = "white" {}
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_Glossiness ("Smoothness", Range(0,1)) = 0.5
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_Metallic ("Metallic", Range(0,1)) = 0.0
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sliceNormal("normal", Vector) = (0,0,0,0)
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sliceCentre ("centre", Vector) = (0,0,0,0)
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sliceOffsetDst("offset", Float) = 0
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}
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SubShader
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{
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Tags { "Queue" = "Geometry" "IgnoreProjector" = "True" "RenderType"="Geometry" }
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LOD 200
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CGPROGRAM
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// Physically based Standard lighting model, and enable shadows on all light types
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#pragma surface surf Standard addshadow
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// Use shader model 3.0 target, to get nicer looking lighting
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#pragma target 3.0
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sampler2D _MainTex;
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struct Input
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{
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float2 uv_MainTex;
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float3 worldPos;
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};
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half _Glossiness;
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half _Metallic;
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fixed4 _Color;
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// World space normal of slice, anything along this direction from centre will be invisible
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float3 sliceNormal;
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// World space centre of slice
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float3 sliceCentre;
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// Increasing makes more of the mesh visible, decreasing makes less of the mesh visible
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float sliceOffsetDst;
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void surf (Input IN, inout SurfaceOutputStandard o)
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{
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float3 adjustedCentre = sliceCentre + sliceNormal * sliceOffsetDst;
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float3 offsetToSliceCentre = adjustedCentre - IN.worldPos;
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clip (dot(offsetToSliceCentre, sliceNormal));
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// Albedo comes from a texture tinted by color
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fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
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o.Albedo = c.rgb;
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// Metallic and smoothness come from slider variables
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o.Metallic = _Metallic;
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o.Smoothness = _Glossiness;
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o.Alpha = c.a;
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}
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ENDCG
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}
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FallBack "VertexLit"
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}
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