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gamemachine/crestfog.cginc

Last active November 20, 2019 11:26
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crestfog.cginc
[Header(Fog)]
[Toggle] _ApplyFog("Enable", Float) = 1
_FogColor("Fog Color (RGB)", Color) = (0.5, 0.5, 0.5, 1.0)
_FogStart("Fog Start", Float) = 0.0
_FogEnd("Fog End", Float) = 10.0
#pragma shader_feature _APPLYFOG_ON
fixed4 _FogColor;
float _FogStart;
float _FogEnd;
half3 ApplyFog(half3 col, float pixelZ) {
float fogvar = saturate(1.0 - (_FogEnd - pixelZ) / (_FogEnd - _FogStart));
col.rgb = lerp(col.rgb, _FogColor, fogvar);
return col;
}
#if _APPLYFOG_ON
col = ApplyFog(col, pixelZ);
#endif
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