81 lines
1.8 KiB
Plaintext
81 lines
1.8 KiB
Plaintext
Shader "Custom/Transparent Diffuse Stipple" {
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Properties {
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_MainTex("Base (RGB)", 2D) = "white" { }
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_Color("Main Color", Color) = (1, 1, 1, 1)
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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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_BumpMap ("Normalmap", 2D) = "bump" {}
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_TransparentAmount("Transparent Amount", Float) = 1
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_StippleSize("Stipple Size", Float) = 1
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}
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SubShader {
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Tags { "RenderType"="Opaque" }
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LOD 200
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Cull Off
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CGPROGRAM
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#pragma surface surf Standard fullforwardshadows
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#pragma target 3.0
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float _TransparentAmount;
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sampler2D _MainTex;
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fixed4 _Color;
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sampler2D _BumpMap;
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float _StippleSize;
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half _Glossiness;
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half _Metallic;
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static const float4x4 kThresholdMatrix = {
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1.0 / 17.0, 9.0 / 17.0, 3.0 / 17.0, 11.0 / 17.0,
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13.0 / 17.0, 5.0 / 17.0, 15.0 / 17.0, 7.0 / 17.0,
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4.0 / 17.0, 12.0 / 17.0, 2.0 / 17.0, 10.0 / 17.0,
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16.0 / 17.0, 8.0 / 17.0, 14.0 / 17.0, 6.0 / 17.0
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};
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static const float4x4 kKernelMatrix = {
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1, 0, 0, 0,
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0, 1, 0, 0,
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0, 0, 1, 0,
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0, 0, 0, 1
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};
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struct Input {
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float2 uv_MainTex;
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float4 screenPos;
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float3 worldPos;
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float2 uv_BumpMap;
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};
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void surf (Input IN, inout SurfaceOutputStandard o) {
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fixed4 c = tex2D(_MainTex, IN.uv_MainTex)* _Color;
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o.Albedo = c.rgb;
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o.Alpha = c.a;
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o.Metallic = _Metallic;
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o.Smoothness = _Glossiness;
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o.Normal = UnpackNormal (tex2D (_BumpMap, IN.uv_BumpMap));
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// Unproject the screen pixel coordiante
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float2 pos = IN.screenPos.xy / IN.screenPos.w;
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pos *= _ScreenParams.xy * _StippleSize;
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// Clip pixel within [start, end] distance from camera
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float interpDist = _TransparentAmount;
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clip(interpDist - kThresholdMatrix[fmod(pos.x, 4)] * kKernelMatrix[fmod(pos.y, 4)]);
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}
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ENDCG
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}
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FallBack "Diffuse"
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}
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