Shader "Hidden/CC_RadialBlur"
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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", Range(0.0, 1.0)) = 0.1
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_Center ("Center Point", Vector) = (0.5, 0.5, 0.0, 0.0)
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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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half2 _Center;
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fixed4 frag_low(v2f_img i):COLOR
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{
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half2 coord = i.uv - _Center;
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half4 color = half4(0.0, 0.0, 0.0, 0.0);
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half scale;
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for (int i = 0; i < 4; i++)
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{
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scale = 1.0 + _Amount * (i / 3.0);
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color += tex2D(_MainTex, coord * scale + _Center);
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}
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color *= 0.25;
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return color;
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}
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fixed4 frag_med(v2f_img i):COLOR
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{
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half2 coord = i.uv - _Center;
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half4 color = half4(0.0, 0.0, 0.0, 0.0);
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half scale;
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for (int i = 0; i < 8; i++)
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{
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scale = 1.0 + _Amount * (i / 7.0);
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color += tex2D(_MainTex, coord * scale + _Center);
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}
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color *= 0.125;
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return color;
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}
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fixed4 frag_high(v2f_img i):COLOR
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{
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half2 coord = i.uv - _Center;
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half4 color = half4(0.0, 0.0, 0.0, 0.0);
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half scale;
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for (int i = 0; i < 14; i++)
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{
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scale = 1.0 + _Amount * (i / 13.0);
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color += tex2D(_MainTex, coord * scale + _Center);
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}
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color /= 14;
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return color;
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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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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_low
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#pragma fragmentoption ARB_precision_hint_fastest
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ENDCG
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}
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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_med
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#pragma fragmentoption ARB_precision_hint_fastest
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ENDCG
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}
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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_high
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#pragma fragmentoption ARB_precision_hint_fastest
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#pragma target 3.0
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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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