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89 lines
2.1 KiB
GLSL
89 lines
2.1 KiB
GLSL
//////////////////////////////////////////////
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/// 2DxFX - 2D SPRITE FX - by VETASOFT 2016 //
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/// http://unity3D.vetasoft.com/ //
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//////////////////////////////////////////////
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Shader "2DxFX/AL/Sharpen"
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{
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Properties
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{
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[PerRendererData] _MainTex("Sprite Texture", 2D) = "white" {}
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_Distortion("Distortion", Range(0,1)) = 0
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_Color("_Color", Color) = (1,1,1,1)
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_Alpha("Alpha", Range(0,1)) = 1.0
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[HideInInspector]_SrcBlend("_SrcBlend", Float) = 0
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[HideInInspector]_DstBlend("_DstBlend", Float) = 0
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[HideInInspector]_BlendOp("_BlendOp",Float) = 0
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[HideInInspector]_Z("_Z", Float) = 0
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}
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SubShader
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{
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Tags
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{
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"IgnoreProjector" = "True"
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"RenderType" = "TransparentCutout"
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"PreviewType" = "Plane"
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"CanUseSpriteAtlas" = "True"
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}
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Cull Off
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Lighting Off
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ZWrite[_Z]
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BlendOp[_BlendOp]
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Blend[_SrcBlend][_DstBlend]
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CGPROGRAM
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#pragma surface surf Lambert vertex:vert nofog keepalpha addshadow fullforwardshadows
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sampler2D _MainTex;
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float _Distortion;
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float _Alpha;
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float4 _Color;
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struct Input
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{
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float2 uv_MainTex;
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float4 color;
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};
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void vert(inout appdata_full v, out Input o)
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{
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v.vertex = UnityPixelSnap(v.vertex);
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UNITY_INITIALIZE_OUTPUT(Input, o);
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o.color = v.color * _Color;
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}
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inline float4 sharp(float2 uv)
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{
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float r = 1.0 / 256.0;
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float strength = 9.0 * _Distortion;
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float4 c0 = tex2D(_MainTex,uv);
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float4 c1 = tex2D(_MainTex,uv - float2(r,.0));
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float4 c2 = tex2D(_MainTex,uv + float2(r,.0));
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float4 c3 = tex2D(_MainTex,uv - float2(.0,r));
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float4 c4 = tex2D(_MainTex,uv + float2(.0,r));
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float4 c5 = c0 + c1 + c2 + c3 + c4; c5 *= 0.2;
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float4 mi = min(c0,c1); mi = min(mi,c2); mi = min(mi,c3); mi = min(mi,c4);
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float4 ma = max(c0,c1); ma = max(ma,c2); ma = max(ma,c3); ma = max(ma,c4);
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float4 rt = clamp(mi,(strength + 1.0)*c0 - c5*strength,ma);
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return float4(rt.rgb,c0.a);
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}
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void surf(Input IN, inout SurfaceOutput o)
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{
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float4 col = sharp(IN.uv_MainTex)*IN.color;
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col.a = col.a * 1 - _Alpha;
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o.Albedo = col.rgb * col.a;
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o.Alpha = col.a;
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clip(o.Alpha - 0.05);
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}
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ENDCG
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}
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Fallback "Transparent/VertexLit"
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} |