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69 lines
1.1 KiB
69 lines
1.1 KiB
// Colorful FX - Unity Asset |
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// Copyright (c) 2015 - Thomas Hourdel |
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// http://www.thomashourdel.com |
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Shader "Hidden/Colorful/Negative" |
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{ |
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Properties |
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{ |
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_MainTex ("Base (RGB)", 2D) = "white" {} |
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_Amount ("Amount (Float)", Range(0.0, 1.0)) = 1.0 |
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} |
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CGINCLUDE |
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#include "UnityCG.cginc" |
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sampler2D _MainTex; |
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half _Amount; |
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half4 frag(v2f_img i) : SV_Target |
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{ |
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half4 oc = tex2D(_MainTex, i.uv); |
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half4 nc = 1.0 - oc; |
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return lerp(oc, nc, _Amount); |
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} |
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half4 frag_linear(v2f_img i) : SV_Target |
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{ |
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half4 oc = tex2D(_MainTex, i.uv); |
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oc = pow(oc, 0.454545); |
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half4 nc = 1.0 - oc; |
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nc = pow(nc, 2.2); |
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return lerp(oc, nc, _Amount); |
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} |
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ENDCG |
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SubShader |
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{ |
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ZTest Always Cull Off ZWrite Off |
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Fog { Mode off } |
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// (0) Gamma |
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Pass |
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{ |
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CGPROGRAM |
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#pragma vertex vert_img |
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#pragma fragment frag |
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#pragma fragmentoption ARB_precision_hint_fastest |
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ENDCG |
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} |
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// (1) Linear |
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Pass |
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{ |
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CGPROGRAM |
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#pragma vertex vert_img |
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#pragma fragment frag_linear |
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#pragma fragmentoption ARB_precision_hint_fastest |
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ENDCG |
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} |
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} |
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FallBack off |
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}
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