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128 lines
3.5 KiB
128 lines
3.5 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/Hue Saturation Value" |
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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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_Master ("Master (HSV)", Vector) = (0, 0, 0, 0) |
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_Reds ("Reds (HSV)", Vector) = (0, 0, 0, 0) |
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_Yellows ("Yellows (HSV)", Vector) = (0, 0, 0, 0) |
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_Greens ("Greens (HSV)", Vector) = (0, 0, 0, 0) |
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_Cyans ("Cyans (HSV)", Vector) = (0, 0, 0, 0) |
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_Blues ("Blues (HSV)", Vector) = (0, 0, 0, 0) |
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_Magentas ("Magentas (HSV)", Vector) = (0, 0, 0, 0) |
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} |
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CGINCLUDE |
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#include "UnityCG.cginc" |
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#include "./Colorful.cginc" |
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sampler2D _MainTex; |
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half4 _Master; |
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half4 _Reds; |
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half4 _Yellows; |
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half4 _Greens; |
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half4 _Cyans; |
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half4 _Blues; |
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half4 _Magentas; |
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half4 frag_simple(v2f_img i) : SV_Target |
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{ |
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half4 color = tex2D(_MainTex, i.uv); |
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half3 hsv = RGBtoHSV(color.rgb); |
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hsv.x = rot10(hsv.x + _Master.x); |
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hsv.y = hsv.y + _Master.y; |
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hsv.z = hsv.z + _Master.z; |
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return half4(HSVtoRGB(hsv), color.a); |
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} |
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half4 frag_advanced(v2f_img i) : SV_Target |
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{ |
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half4 color = tex2D(_MainTex, i.uv); |
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// Master |
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half3 hsv = RGBtoHSV(color.rgb); |
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hsv.x = rot10(hsv.x + _Master.x); |
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hsv.y = hsv.y + _Master.y; |
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hsv.z = hsv.z + _Master.z; |
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half ts = 1.0 / 360.0; |
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half ts60 = ts * 60.0; |
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half4 c15_45_75_105 = half4(15.0, 45.0, 75.0, 105.0) * ts; |
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half4 c135_165_195_225 = half4(135.0, 165.0, 195.0, 225.0) * ts; |
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half4 c255_285_315_345 = half4(255.0, 285.0, 315.0, 345.0) * ts; |
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half dr, dy, dg, dc, db, dm; |
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// Reds |
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hsv.x = rot10(hsv + ts60); |
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dr = saturate(invlerp(c15_45_75_105.x, c15_45_75_105.y, hsv.x)) * (1.0 - saturate(invlerp(c15_45_75_105.z, c15_45_75_105.w, hsv.x))); |
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hsv.x = rot10(hsv - ts60); |
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// Yellow |
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dy = saturate(invlerp(c15_45_75_105.x, c15_45_75_105.y, hsv.x)) * (1.0 - saturate(invlerp(c15_45_75_105.z, c15_45_75_105.w, hsv.x))); |
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// Greens |
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dg = saturate(invlerp(c15_45_75_105.z, c15_45_75_105.w, hsv.x)) * (1.0 - saturate(invlerp(c135_165_195_225.x, c135_165_195_225.y, hsv.x))); |
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// Cyans |
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dc = saturate(invlerp(c135_165_195_225.x, c135_165_195_225.y, hsv.x)) * (1.0 - saturate(invlerp(c135_165_195_225.z, c135_165_195_225.w, hsv.x))); |
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// Blues |
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db = saturate(invlerp(c135_165_195_225.z, c135_165_195_225.w, hsv.x)) * (1.0 - saturate(invlerp(c255_285_315_345.x, c255_285_315_345.y, hsv.x))); |
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// Magentas |
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dm = saturate(invlerp(c255_285_315_345.x, c255_285_315_345.y, hsv.x)) * (1.0 - saturate(invlerp(c255_285_315_345.z, c255_285_315_345.w, hsv.x))); |
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hsv.x = rot10(hsv.x + dr * _Reds.x + dy * _Yellows.x + dg * _Greens.x + dc * _Cyans.x + db * _Blues.x + dm * _Magentas.x); |
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hsv.y = hsv.y + dr * _Reds.y + dy * _Yellows.y + dg * _Greens.y + dc * _Cyans.y + db * _Blues.y + dm * _Magentas.y; |
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hsv.z = hsv.z + dr * _Reds.z + dy * _Yellows.z + dg * _Greens.z + dc * _Cyans.z + db * _Blues.z + dm * _Magentas.z; |
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return half4(HSVtoRGB(hsv), color.a); |
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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) Simple |
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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_simple |
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#pragma fragmentoption ARB_precision_hint_fastest |
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#pragma glsl |
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#pragma exclude_renderers flash |
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ENDCG |
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} |
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// (1) Advanced |
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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_advanced |
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#pragma fragmentoption ARB_precision_hint_fastest |
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#pragma target 3.0 |
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#pragma glsl |
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#pragma exclude_renderers flash |
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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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